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Bug#940805: linux-image-4.19.0-6-amd64: systemctl hibernate fails with a null pointer dereference from qxl_drm_freeze in a kvm guest



Package: src:linux
Version: 4.19.67-2
Severity: important
Tags: upstream

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
   * What was the outcome of this action?
   * What outcome did you expect instead?

I recently upgraded to Debian buster and began using the 4.19 kernel. My KVM VMs all
have QXL enabled. I found that with the new kernel I had lost the ability to perform
a hibernate on the machine - I used systemctl hibernate. I put the kernel boot parameters
in-place, no_console_suspend, and issued the hibernate call from the serial console on 
the host machine. 

And the stack trace, given below, shows there is a problem with qxl_drm_freeze.
This has appeared in the bug logs before. https://lkml.org/lkml/2018/10/2/340

I did manage to hibernate successfully by changing the libvirt XML definition to
none. <video> <model type="none"> </video>.

(I wasn't able to use this workaround on a guest that has a VFIO graphics card.)

systemctl hibernate
root@k1:~# [ 1991.889175] PM: hibernation entry
[ 1991.894520] PM: Syncing filesystems ... 
[ 1992.284489] PM: done.
[ 1992.286195] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 1992.291415] OOM killer disabled.
[ 1992.293318] PM: Preallocating image memory... done (allocated 197658 pages)
[ 1999.484215] PM: Allocated 790632 kbytes in 5.94 seconds (133.10 MB/s)
[ 1999.486603] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[ 1999.658332] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[ 1999.660740] PGD 0 P4D 0 
[ 1999.661411] Oops: 0010 [#1] SMP NOPTI
[ 1999.662400] CPU: 3 PID: 1539 Comm: kworker/u16:7 Not tainted 4.19.0-6-amd64 #1 Debian 4.19.67-2
[ 1999.667610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12
[ 1999.669891] Workqueue: events_unbound async_run_entry_fn
[ 1999.671181] RIP: 0010:          (null)
[ 1999.672275] Code: Bad RIP value.
[ 1999.673202] RSP: 0018:ffffac8dc1e57d98 EFLAGS: 00010202
[ 1999.674607] RAX: 0000000000000000 RBX: ffff9e1c7ac87000 RCX: ffffffff85e4dea8
[ 1999.676452] RDX: 0000000000000001 RSI: 0000000000000096 RDI: ffff9e1c7ac87000
[ 1999.678169] RBP: ffff9e1c7cbc8000 R08: 0000000000000290 R09: ffff9e1c34f11e18
[ 1999.679804] R10: 00000000000011c4 R11: 00000000000008e2 R12: ffff9e1c7cda6000
[ 1999.681421] R13: ffff9e1c7cbc83a0 R14: 0000000000000001 R15: ffffffff85cc88bb
[ 1999.683004] FS:  0000000000000000(0000) GS:ffff9e1c7dac0000(0000) knlGS:0000000000000000
[ 1999.684802] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1999.686089] CR2: ffffffffffffffd6 CR3: 000000002100a000 CR4: 00000000000406e0
[ 1999.687710] Call Trace:
[ 1999.688251]  qxl_drm_freeze+0x65/0xe0 [qxl]
[ 1999.689134]  pci_pm_freeze+0x51/0xc0
[ 1999.690992]  dpm_run_callback+0x59/0x150
[ 1999.691946]  __device_suspend+0x100/0x450
[ 1999.692887]  async_suspend+0x1a/0x90
[ 1999.693735]  async_run_entry_fn+0x39/0x160
[ 1999.694708]  process_one_work+0x1a7/0x3a0
[ 1999.695658]  worker_thread+0x30/0x390
[ 1999.696539]  ? create_worker+0x1a0/0x1a0
[ 1999.697422]  kthread+0x112/0x130
[ 1999.698182]  ? kthread_bind+0x30/0x30
[ 1999.699031]  ret_from_fork+0x22/0x40
[ 1999.699843] Modules linked in: rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache lz4 lz4_compress zram zsmalloc dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio snd_hda_codec_generic edac_mce_amd qxl snd_hda_intel crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hda_core snd_hwdep ttm evdev snd_pcm serio_raw pcspkr snd_timer drm_kms_helper snd virtio_console sg virtio_balloon soundcore drm qemu_fw_cfg button nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 fscrypto ecb btrfs xor zstd_decompress zstd_compress xxhash raid6_pq libcrc32c crc32c_generic dm_mod sr_mod cdrom ata_generic crc32c_intel aesni_intel aes_x86_64 crypto_simd virtio_net net_failover cryptd virtio_blk failover psmouse glue_helper 8139too uhci_hcd ehci_pci ata_piix
[ 1999.715355]  sym53c8xx ehci_hcd libata scsi_transport_spi usbcore virtio_pci 8139cp mii virtio_ring scsi_mod virtio usb_common i2c_piix4 floppy
[ 1999.718556] CR2: 0000000000000000
[ 1999.719440] ---[ end trace ec10706463752aae ]---
[ 1999.720623] RIP: 0010:          (null)
[ 1999.721476] Code: Bad RIP value.
[ 1999.722211] RSP: 0018:ffffac8dc1e57d98 EFLAGS: 00010202
[ 1999.723391] RAX: 0000000000000000 RBX: ffff9e1c7ac87000 RCX: ffffffff85e4dea8
[ 1999.725199] RDX: 0000000000000001 RSI: 0000000000000096 RDI: ffff9e1c7ac87000
[ 1999.726834] RBP: ffff9e1c7cbc8000 R08: 0000000000000290 R09: ffff9e1c34f11e18
[ 1999.728250] R10: 00000000000011c4 R11: 00000000000008e2 R12: ffff9e1c7cda6000
[ 1999.729890] R13: ffff9e1c7cbc83a0 R14: 0000000000000001 R15: ffffffff85cc88bb
[ 1999.731500] FS:  0000000000000000(0000) GS:ffff9e1c7dac0000(0000) knlGS:0000000000000000
[ 1999.733312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1999.734606] CR2: ffffffffffffffd6 CR3: 000000002100a000 CR4: 00000000000406e0



*** End of the template - remove these template lines ***


-- Package-specific info:
** Version:
Linux version 4.19.0-6-amd64 (debian-kernel@lists.debian.org) (gcc version 8.3.0 (Debian 8.3.0-6)) #1 SMP Debian 4.19.67-2 (2019-08-28)

** Command line:
BOOT_IMAGE=/vmlinuz-4.19.0-6-amd64 root=/dev/mapper/N1-root1 ro noquiet nosplash rd.luks=0 console=tty0 console=ttyS0,38400n8 fbcon=map:0 no_console_suspend apparmor=0 security= resume=UUID=7a2ee38e-c361-4092-8c56-b81fdfec58e9 fbcon=map:10 nowatchdog mce=ignore_ce

** Not tainted

** Kernel log:
[   37.309536] [drm] Initialized radeon 2.50.0 20080528 for 0000:02:00.0 on minor 1
[   37.481323] scsi 1:0:0:0: Attached scsi generic sg0 type 0
[   37.655129] sd 1:0:0:0: Power-on or device reset occurred
[   37.873429] sd 1:0:0:0: [sda] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB)
[   37.873544] sd 1:0:0:0: [sda] Write Protect is off
[   37.873571] sd 1:0:0:0: [sda] Mode Sense: 63 00 00 08
[   37.877296] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[   37.879013]  sda: sda1
[   37.880595] sd 1:0:0:0: [sda] Attached SCSI disk
[   38.004748] usb 1-1: new full-speed USB device number 3 using uhci_hcd
[   38.402844] usb 1-1: New USB device found, idVendor=1050, idProduct=0120, bcdDevice= 5.02
[   38.402850] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   38.402853] usb 1-1: Product: Security Key by Yubico
[   38.402855] usb 1-1: Manufacturer: Yubico
[   38.412989] hid-generic 0003:1050:0120.000A: hiddev0,hidraw0: USB HID v1.10 Device [Yubico Security Key by Yubico] on usb-0000:00:05.0-1/input0
[   39.212921] usb 2-2: new full-speed USB device number 3 using uhci_hcd
[   39.637937] usb 2-2: New USB device found, idVendor=046d, idProduct=c52b, bcdDevice=12.03
[   39.637941] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   39.637943] usb 2-2: Product: USB Receiver
[   39.637944] usb 2-2: Manufacturer: Logitech
[   39.658995] logitech-djreceiver 0003:046D:C52B.000D: hiddev1,hidraw1: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:05.1-2/input2
[   39.805783] input: Logitech Performance MX as /devices/pci0000:00/0000:00:05.1/usb2/2-2/2-2:1.2/0003:046D:C52B.000D/0003:046D:101A.000E/input/input15
[   39.806019] logitech-hidpp-device 0003:046D:101A.000E: input,hidraw2: USB HID v1.11 Mouse [Logitech Performance MX] on usb-0000:00:05.1-2:1
[   39.819661] input: Logitech MX Ergo as /devices/pci0000:00/0000:00:05.1/usb2/2-2/2-2:1.2/0003:046D:C52B.000D/0003:046D:406F.000F/input/input16
[   39.820141] logitech-hidpp-device 0003:046D:406F.000F: input,hidraw3: USB HID v1.11 Keyboard [Logitech MX Ergo] on usb-0000:00:05.1-2:2
[   41.393020] usb 3-1: new low-speed USB device number 4 using uhci_hcd
[   42.193839] usb 3-1: New USB device found, idVendor=05ac, idProduct=0221, bcdDevice= 0.67
[   42.193842] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   42.193844] usb 3-1: Product: Apple Keyboard
[   42.193846] usb 3-1: Manufacturer: Apple, Inc
[   42.215481] input: Apple, Inc Apple Keyboard as /devices/pci0000:00/0000:00:05.2/usb3/3-1/3-1:1.0/0003:05AC:0221.0010/input/input17
[   42.273405] apple 0003:05AC:0221.0010: input,hidraw4: USB HID v1.11 Keyboard [Apple, Inc Apple Keyboard] on usb-0000:00:05.2-1/input0
[   42.287459] input: Apple, Inc Apple Keyboard as /devices/pci0000:00/0000:00:05.2/usb3/3-1/3-1:1.1/0003:05AC:0221.0011/input/input18
[   42.345176] apple 0003:05AC:0221.0011: input,hidraw5: USB HID v1.11 Device [Apple, Inc Apple Keyboard] on usb-0000:00:05.2-1/input1
[   44.124772] usb 3-2: new low-speed USB device number 5 using uhci_hcd
[   44.967995] usb 3-2: New USB device found, idVendor=046d, idProduct=c508, bcdDevice=15.00
[   44.968000] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   44.968003] usb 3-2: Product: USB Receiver
[   44.968006] usb 3-2: Manufacturer: Logitech
[   44.993034] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:05.2/usb3/3-2/3-2:1.0/0003:046D:C508.0012/input/input19
[   45.053378] hid-generic 0003:046D:C508.0012: input,hidraw6: USB HID v1.10 Mouse [Logitech USB Receiver] on usb-0000:00:05.2-2/input0
[   45.822516] EXT4-fs (vda1): mounting ext3 file system using the ext4 subsystem
[   46.281469] EXT4-fs (vda1): mounted filesystem with ordered data mode. Opts: (null)
[   48.178661] EXT4-fs (dm-20): mounted filesystem with ordered data mode. Opts: (null)
[   48.217136] random: crng init done
[   48.217139] random: 2 urandom warning(s) missed due to ratelimiting
[   48.245918] EXT4-fs (dm-18): mounting ext3 file system using the ext4 subsystem
[   48.258973] EXT4-fs (dm-18): mounted filesystem with ordered data mode. Opts: (null)
[   48.755065] EXT4-fs (dm-10): mounted filesystem with ordered data mode. Opts: (null)
[   49.710604] Adding 409596k swap on /dev/mapper/N1-swap.  Priority:-3 extents:1 across:409596k FS
[   53.822715] EXT4-fs (dm-17): mounted filesystem with ordered data mode. Opts: (null)
[   53.934001] EXT4-fs (dm-6): mounting ext3 file system using the ext4 subsystem
[   54.115867] EXT4-fs (dm-5): mounting ext3 file system using the ext4 subsystem
[   54.344636] EXT4-fs (dm-9): mounted filesystem with ordered data mode. Opts: (null)
[   54.588049] EXT4-fs (dm-6): mounted filesystem with ordered data mode. Opts: (null)
[   55.449003] EXT4-fs (dm-5): mounted filesystem with ordered data mode. Opts: (null)
[   56.261908] EXT4-fs (dm-11): mounted filesystem with ordered data mode. Opts: (null)
[   56.958561] EXT4-fs (dm-25): mounted filesystem with ordered data mode. Opts: (null)
[   56.958799] EXT4-fs (dm-24): mounted filesystem with ordered data mode. Opts: (null)
[   58.024943] EXT4-fs (dm-19): mounting ext3 file system using the ext4 subsystem
[   58.112561] EXT4-fs (dm-19): mounted filesystem with ordered data mode. Opts: (null)
[   58.315858] EXT4-fs (dm-30): mounted filesystem with ordered data mode. Opts: (null)
[   58.518075] EXT4-fs (dm-31): mounted filesystem with ordered data mode. Opts: (null)
[   58.518212] EXT4-fs (dm-29): mounted filesystem with ordered data mode. Opts: (null)
[   58.803971] systemd-journald[331]: Received request to flush runtime journal from PID 1
[   58.985081] EXT4-fs (dm-32): mounted filesystem with ordered data mode. Opts: (null)
[   59.164072] EXT4-fs (dm-33): mounted filesystem with ordered data mode. Opts: (null)
[   59.165038] EXT4-fs (dm-23): mounted filesystem with ordered data mode. Opts: (null)
[   59.336361] EXT4-fs (dm-28): mounted filesystem with ordered data mode. Opts: (null)
[   59.467794] EXT4-fs (dm-12): mounted filesystem with ordered data mode. Opts: (null)
[   59.816413] EXT4-fs (dm-14): mounted filesystem with ordered data mode. Opts: (null)
[   70.125753] Adding 1048572k swap on /dev/mapper/APP-swap0.  Priority:-4 extents:1 across:1048572k FS
[   70.771014] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
[   70.777340] NFSD: starting 90-second grace period (net f0000098)
[   76.042320] radeon 0000:02:00.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=none:owns=none
[   77.687766] zram: Added device: zram0
[   77.688250] zram: Added device: zram1
[   77.689403] zram: Added device: zram2
[   77.690019] zram: Added device: zram3
[   77.772496] zram0: detected capacity change from 0 to 690188288
[   77.823582] Adding 674008k swap on /dev/zram0.  Priority:100 extents:1 across:674008k SSFS
[   77.829333] zram1: detected capacity change from 0 to 690188288
[   77.836554] Adding 674008k swap on /dev/zram1.  Priority:100 extents:1 across:674008k SSFS
[   77.839167] zram2: detected capacity change from 0 to 690188288
[   77.845695] Adding 674008k swap on /dev/zram2.  Priority:100 extents:1 across:674008k SSFS
[   77.847880] zram3: detected capacity change from 0 to 690188288
[   77.853309] Adding 674008k swap on /dev/zram3.  Priority:100 extents:1 across:674008k SSFS
[  167.988165] FS-Cache: Loaded
[  168.069796] Key type dns_resolver registered
[  168.617013] FS-Cache: Netfs 'cifs' registered for caching
[  168.617765] Key type cifs.spnego registered
[  168.617770] Key type cifs.idmap registered
[  168.618275] No dialect specified on mount. Default has changed to a more secure dialect, SMB2.1 or later (e.g. SMB3), from CIFS (SMB1). To use the less secure SMB1 dialect to access old servers which do not support SMB3 (or SMB2.1) specify vers=1.0 on mount.
[  169.427000] FS-Cache: Netfs 'nfs' registered for caching
[  169.662279] snd_hda_intel 0000:03:00.0: IRQ timing workaround is activated for card #1. Suggest a bigger bdl_pos_adj.
[  169.680632] NFS: Registering the id_resolver key type
[  169.680641] Key type id_resolver registered
[  169.680641] Key type id_legacy registered
[  170.716674] snd_hda_intel 0000:00:04.0: IRQ timing workaround is activated for card #0. Suggest a bigger bdl_pos_adj.
[  186.494576] logitech-hidpp-device 0003:046D:406F.000F: HID++ 4.5 device connected.

** Model information
sys_vendor: QEMU
product_name: Standard PC (Q35 + ICH9, 2009)
product_version: pc-q35-2.8
chassis_vendor: QEMU
chassis_version: pc-q35-2.8
bios_vendor: SeaBIOS
bios_version: 1.12.0-1

** Loaded modules:
nfsv3
rpcsec_gss_krb5
nfsv4
nfs
arc4
md4
sha512_ssse3
sha512_generic
cmac
nls_utf8
cifs
ccm
dns_resolver
fscache
lz4
lz4_compress
zram
zsmalloc
cpufreq_powersave
cpufreq_userspace
cpufreq_conservative
binfmt_misc
sd_mod
sg
snd_hda_codec_generic
snd_hda_codec_hdmi
snd_hda_intel
snd_hda_codec
snd_hda_core
snd_hwdep
ahci
iTCO_wdt
libahci
snd_pcm
iTCO_vendor_support
radeon
snd_timer
libata
virtio_scsi
edac_mce_amd
ehci_pci
sym53c8xx
scsi_transport_spi
virtio_net
scsi_mod
crct10dif_pclmul
net_failover
snd
virtio_balloon
crc32_pclmul
failover
soundcore
virtio_console
lpc_ich
qxl
i2c_i801
ghash_clmulni_intel
button
qemu_fw_cfg
amdgpu
chash
gpu_sched
ttm
drm_kms_helper
drm
i2c_algo_bit
ecryptfs
parport_pc
nfsd
auth_rpcgss
ppdev
nfs_acl
lockd
lp
grace
parport
sunrpc
ip_tables
x_tables
autofs4
ext4
crc16
mbcache
jbd2
crc32c_generic
fscrypto
ecb
dm_snapshot
dm_bufio
dm_mod
joydev
hid_apple
hid_logitech_hidpp
hid_logitech_dj
hid_generic
usbhid
hid
crc32c_intel
uhci_hcd
virtio_blk
ehci_hcd
aesni_intel
aes_x86_64
crypto_simd
psmouse
evdev
cryptd
usbcore
glue_helper
serio_raw
virtio_pci
virtio_ring
virtio
usb_common

** Network interface configuration:

** Network status:
*** IP interfaces and addresses:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp0s9: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether 52:54:00:9e:68:33 brd ff:ff:ff:ff:ff:ff
3: enp0s10: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:50:56:38:d3:90 brd ff:ff:ff:ff:ff:ff
    inet 192.168.145.130/24 brd 192.168.145.255 scope global enp0s10
       valid_lft forever preferred_lft forever
    inet6 fe80::250:56ff:fe38:d390/64 scope link 
       valid_lft forever preferred_lft forever
4: enp0s11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 52:54:00:f5:ec:ec brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.52/24 brd 192.168.1.255 scope global enp0s11
       valid_lft forever preferred_lft forever
    inet6 2a00:23c7:e504:b200:5054:ff:fef5:ecec/64 scope global dynamic mngtmpaddr noprefixroute 
       valid_lft 315359975sec preferred_lft 315359975sec
    inet6 fdaa:bbcc:ddee:0:5054:ff:fef5:ecec/64 scope global mngtmpaddr noprefixroute 
       valid_lft forever preferred_lft forever
    inet6 fe80::5054:ff:fef5:ecec/64 scope link 
       valid_lft forever preferred_lft forever

*** Device statistics:
Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
enp0s11: 35591918   38683    0 1309    0     0          0         0  1682856   10177    0    0    0     0       0          0
    lo: 32896945228  986222    0    0    0     0          0         0 32896945228  986222    0    0    0     0       0          0
enp0s10: 25043486406 1246030    0    0    0     0          0         0 413797600  925182    0    0    0     0       0          0
enp0s9:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

*** Protocol statistics:
Ip:
    Forwarding: 2
    2252642 total packets received
    50 with invalid addresses
    0 forwarded
    0 incoming packets discarded
    2252258 incoming packets delivered
    1917614 requests sent out
Icmp:
    4 ICMP messages received
    2 input ICMP message failed
    ICMP input histogram:
        destination unreachable: 4
    10 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 10
IcmpMsg:
        InType3: 4
        OutType3: 10
Tcp:
    388 active connection openings
    290 passive connection openings
    11 failed connection attempts
    36 connection resets received
    89 connections established
    2244539 segments received
    1947349 segments sent out
    111 segments retransmitted
    0 bad segments received
    166 resets sent
Udp:
    14712 packets received
    6 packets to unknown port received
    0 packet receive errors
    2378 packets sent
    0 receive buffer errors
    0 send buffer errors
    IgnoredMulti: 1210
UdpLite:
TcpExt:
    255 TCP sockets finished time wait in fast timer
    4 packetes rejected in established connections because of timestamp
    5890 delayed acks sent
    4 delayed acks further delayed because of locked socket
    Quick ack mode was activated 157 times
    1545352 packet headers predicted
    84900 acknowledgments not containing data payload received
    734495 predicted acknowledgments
    TCPSackRecovery: 1
    Detected reordering 24 times using SACK
    Detected reordering 1 times using time stamp
    1 congestion windows partially recovered using Hoe heuristic
    TCPLostRetransmit: 4
    TCPSackFailures: 1
    1 fast retransmits
    TCPTimeouts: 3
    TCPLossProbes: 115
    TCPDSACKOldSent: 157
    TCPDSACKRecv: 101
    15 connections reset due to unexpected data
    32 connections reset due to early user close
    TCPDSACKIgnoredNoUndo: 81
    TCPSackMerged: 16
    TCPSackShiftFallback: 6
    TCPRcvCoalesce: 348042
    TCPOFOQueue: 23
    TCPSpuriousRtxHostQueues: 3
    TCPAutoCorking: 65
    TCPFromZeroWindowAdv: 9
    TCPToZeroWindowAdv: 10
    TCPWantZeroWindowAdv: 22
    TCPSynRetrans: 7
    TCPOrigDataSent: 1586492
    TCPHystartTrainDetect: 25
    TCPHystartTrainCwnd: 485
    TCPACKSkippedSeq: 7
    TCPKeepAlive: 269
    TCPDelivered: 1586959
    TCPAckCompressed: 5
IpExt:
    InMcastPkts: 3866
    OutMcastPkts: 480
    InBcastPkts: 1596
    OutBcastPkts: 90
    InOctets: 57951210387
    OutOctets: 33298609279
    InMcastOctets: 1203377
    OutMcastOctets: 113240
    InBcastOctets: 203086
    OutBcastOctets: 10878
    InNoECTPkts: 2257390


** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller [8086:29c0]
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

00:01.0 PCI bridge [0604]: Intel Corporation 7500/5520/5500/X58 I/O Hub PCI Express Root Port 0 [8086:3420] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 24
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 0000e000-0000efff
	Memory behind bridge: fce00000-fcffffff
	Prefetchable memory behind bridge: 00000000f0a00000-00000000f0bfffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:01.1 PCI bridge [0604]: Intel Corporation 7500/5520/5500/X58 I/O Hub PCI Express Root Port 0 [8086:3420] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 25
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	I/O behind bridge: 0000d000-0000dfff
	Memory behind bridge: fcc00000-fcdfffff
	Prefetchable memory behind bridge: 00000000e0000000-00000000efffffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:01.2 PCI bridge [0604]: Intel Corporation 7500/5520/5500/X58 I/O Hub PCI Express Root Port 0 [8086:3420] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 26
	Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
	I/O behind bridge: 00001000-00001fff
	Memory behind bridge: fca00000-fcbfffff
	Prefetchable memory behind bridge: 00000000f0800000-00000000f09fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:01.3 PCI bridge [0604]: Intel Corporation 7500/5520/5500/X58 I/O Hub PCI Express Root Port 0 [8086:3420] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 27
	Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
	I/O behind bridge: 00002000-00002fff
	Memory behind bridge: fc800000-fc9fffff
	Prefetchable memory behind bridge: 00000000f0600000-00000000f07fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:01.4 PCI bridge [0604]: Intel Corporation 7500/5520/5500/X58 I/O Hub PCI Express Root Port 0 [8086:3420] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 28
	Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
	I/O behind bridge: 00003000-00003fff
	Memory behind bridge: fc600000-fc7fffff
	Prefetchable memory behind bridge: 00000000f0400000-00000000f05fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:01.5 PCI bridge [0604]: Intel Corporation 7500/5520/5500/X58 I/O Hub PCI Express Root Port 0 [8086:3420] (rev 02) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 29
	Bus: primary=00, secondary=06, subordinate=06, sec-latency=0
	I/O behind bridge: 00004000-00004fff
	Memory behind bridge: fc400000-fc5fffff
	Prefetchable memory behind bridge: 00000000f0200000-00000000f03fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:02.0 VGA compatible controller [0300]: Red Hat, Inc. QXL paravirtual graphic card [1b36:0100] (rev 04) (prog-if 00 [VGA controller])
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin A routed to IRQ 22
	Region 0: Memory at f4000000 (32-bit, non-prefetchable) [size=64M]
	Region 1: Memory at f8000000 (32-bit, non-prefetchable) [size=64M]
	Region 2: Memory at fd0d4000 (32-bit, non-prefetchable) [size=8K]
	Region 3: I/O ports at f200 [size=32]
	Expansion ROM at 000c0000 [disabled] [size=128K]
	Kernel driver in use: qxl
	Kernel modules: qxl

00:04.0 Audio device [0403]: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller [8086:2668] (rev 01)
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 61
	Region 0: Memory at fd0d0000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

00:05.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03) (prog-if 00 [UHCI])
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 21
	Region 4: I/O ports at f220 [size=32]
	Kernel driver in use: uhci_hcd
	Kernel modules: uhci_hcd

00:05.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03) (prog-if 00 [UHCI])
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 22
	Region 4: I/O ports at f240 [size=32]
	Kernel driver in use: uhci_hcd
	Kernel modules: uhci_hcd

00:05.2 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03) (prog-if 00 [UHCI])
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin C routed to IRQ 23
	Region 4: I/O ports at f260 [size=32]
	Kernel driver in use: uhci_hcd
	Kernel modules: uhci_hcd

00:05.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03) (prog-if 20 [EHCI])
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin D routed to IRQ 20
	Region 0: Memory at fd0d6000 (32-bit, non-prefetchable) [size=4K]
	Kernel driver in use: ehci-pci
	Kernel modules: ehci_pci

00:06.0 Communication controller [0780]: Red Hat, Inc Virtio console [1af4:1003]
	Subsystem: Red Hat, Inc Virtio console [1af4:0003]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 22
	Region 0: I/O ports at f000 [size=64]
	Region 1: Memory at fd0d7000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c00000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:07.0 SCSI storage controller [0100]: Red Hat, Inc Virtio block device [1af4:1001]
	Subsystem: Red Hat, Inc Virtio block device [1af4:0002]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 23
	Region 0: I/O ports at f040 [size=64]
	Region 1: Memory at fd0d8000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c04000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:08.0 Unclassified device [00ff]: Red Hat, Inc Virtio memory balloon [1af4:1002]
	Subsystem: Red Hat, Inc Virtio memory balloon [1af4:0005]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 20
	Region 0: I/O ports at f280 [size=32]
	Region 4: Memory at f0c08000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:09.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 21
	Region 0: I/O ports at f2a0 [size=32]
	Region 1: Memory at fd0d9000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c0c000 (64-bit, prefetchable) [size=16K]
	Expansion ROM at fd000000 [disabled] [size=256K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:0a.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 22
	Region 0: I/O ports at f2c0 [size=32]
	Region 1: Memory at fd0da000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c10000 (64-bit, prefetchable) [size=16K]
	Expansion ROM at fd040000 [disabled] [size=256K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:0b.0 Ethernet controller [0200]: Red Hat, Inc Virtio network device [1af4:1000]
	Subsystem: Red Hat, Inc Virtio network device [1af4:0001]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 23
	Region 0: I/O ports at f2e0 [size=32]
	Region 1: Memory at fd0db000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c14000 (64-bit, prefetchable) [size=16K]
	Expansion ROM at fd080000 [disabled] [size=256K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:0c.0 SCSI storage controller [0100]: Red Hat, Inc Virtio block device [1af4:1001]
	Subsystem: Red Hat, Inc Virtio block device [1af4:0002]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 20
	Region 0: I/O ports at f080 [size=64]
	Region 1: Memory at fd0dc000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c18000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:0d.0 SCSI storage controller [0100]: Red Hat, Inc Virtio block device [1af4:1001]
	Subsystem: Red Hat, Inc Virtio block device [1af4:0002]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 21
	Region 0: I/O ports at f0c0 [size=64]
	Region 1: Memory at fd0dd000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c1c000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:0e.0 SCSI storage controller [0100]: Red Hat, Inc Virtio block device [1af4:1001]
	Subsystem: Red Hat, Inc Virtio block device [1af4:0002]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 22
	Region 0: I/O ports at f100 [size=64]
	Region 1: Memory at fd0de000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c20000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:0f.0 SCSI storage controller [0100]: Red Hat, Inc Virtio block device [1af4:1001]
	Subsystem: Red Hat, Inc Virtio block device [1af4:0002]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 23
	Region 0: I/O ports at f140 [size=64]
	Region 1: Memory at fd0df000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c24000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:10.0 SCSI storage controller [0100]: Red Hat, Inc Virtio block device [1af4:1001]
	Subsystem: Red Hat, Inc Virtio block device [1af4:0002]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 20
	Region 0: I/O ports at f180 [size=64]
	Region 1: Memory at fd0e0000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0c28000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev 92) (prog-if 01 [Subtractive decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Bus: primary=00, secondary=07, subordinate=08, sec-latency=0
	I/O behind bridge: 0000c000-0000cfff
	Memory behind bridge: fc000000-fc3fffff
	Prefetchable memory behind bridge: 00000000f0000000-00000000f01fffff
	Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>

00:1f.0 ISA bridge [0601]: Intel Corporation 82801IB (ICH9) LPC Interface Controller [8086:2918] (rev 02)
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Kernel driver in use: lpc_ich
	Kernel modules: lpc_ich

00:1f.2 SATA controller [0106]: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode] [8086:2922] (rev 02) (prog-if 01 [AHCI 1.0])
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 60
	Region 4: I/O ports at f300 [size=32]
	Region 5: Memory at fd0e1000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: ahci
	Kernel modules: ahci

00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller [8086:2930] (rev 02)
	Subsystem: Red Hat, Inc QEMU Virtual Machine [1af4:1100]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin A routed to IRQ 16
	Region 4: I/O ports at 0700 [size=64]
	Kernel driver in use: i801_smbus
	Kernel modules: i2c_i801

01:00.0 SCSI storage controller [0100]: LSI Logic / Symbios Logic 53c895a [1000:0012]
	Physical Slot: 0
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 255, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 21
	Region 0: I/O ports at e000 [size=256]
	Region 1: Memory at fce02000 (32-bit, non-prefetchable) [size=1K]
	Region 2: Memory at fce00000 (32-bit, non-prefetchable) [size=8K]
	Kernel driver in use: sym53c8xx
	Kernel modules: sym53c8xx

02:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Caicos PRO [Radeon HD 7450] [1002:677b] (prog-if 00 [VGA controller])
	Subsystem: ASUSTeK Computer Inc. Caicos PRO [Radeon HD 7450] [1043:3027]
	Physical Slot: 0-1
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 63
	Region 0: Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Region 2: Memory at fcc00000 (64-bit, non-prefetchable) [size=128K]
	Region 4: I/O ports at d000 [size=256]
	Expansion ROM at fcc20000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: radeon
	Kernel modules: radeon

03:00.0 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Caicos HDMI Audio [Radeon HD 6450 / 7450/8450/8490 OEM / R5 230/235/235X OEM] [1002:a...
	Subsystem: ASUSTeK Computer Inc. Caicos HDMI Audio [Radeon HD 6450 / 7450/8450/8490 OEM / R5 230/235/235X OEM] [1043:aa98]
	Physical Slot: 0-2
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin B routed to IRQ 62
	Region 0: Memory at fca00000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

04:00.0 SCSI storage controller [0100]: Red Hat, Inc Virtio SCSI [1af4:1048] (rev 01)
	Subsystem: Red Hat, Inc Virtio SCSI [1af4:1100]
	Physical Slot: 0-3
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 21
	Region 1: Memory at fc800000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0600000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

05:00.0 SCSI storage controller [0100]: Red Hat, Inc Virtio block device [1af4:1042] (rev 01)
	Subsystem: Red Hat, Inc Virtio block device [1af4:1100]
	Physical Slot: 0-4
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 21
	Region 1: Memory at fc600000 (32-bit, non-prefetchable) [size=4K]
	Region 4: Memory at f0400000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: virtio-pci
	Kernel modules: virtio_pci

07:00.0 PCI bridge [0604]: Red Hat, Inc. QEMU PCI-PCI bridge [1b36:0001] (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 30
	Region 0: Memory at fc200000 (64-bit, non-prefetchable) [size=256]
	Bus: primary=07, secondary=08, subordinate=08, sec-latency=0
	I/O behind bridge: 0000c000-0000cfff
	Memory behind bridge: fc000000-fc1fffff
	Prefetchable memory behind bridge: 00000000f0000000-00000000f01fffff
	Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: shpchp


** USB devices:
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 005: ID 046d:c508 Logitech, Inc. Cordless Trackball
Bus 003 Device 004: ID 05ac:0221 Apple, Inc. Aluminum Keyboard (ISO)
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 1050:0120 Yubico.com Yubikey Touch U2F Security Key
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


-- System Information:
Debian Release: 10.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.19.0-6-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages linux-image-4.19.0-6-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.133+deb10u1
ii  kmod                                    26-1
ii  linux-base                              4.6

Versions of packages linux-image-4.19.0-6-amd64 recommends:
ii  apparmor             2.13.2-10
ii  firmware-linux-free  3.4

Versions of packages linux-image-4.19.0-6-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-pc                 2.02+dfsg1-20
pn  linux-doc-4.19          <none>

Versions of packages linux-image-4.19.0-6-amd64 is related to:
ii  firmware-amd-graphics     20190114-2
pn  firmware-atheros          <none>
pn  firmware-bnx2             <none>
pn  firmware-bnx2x            <none>
pn  firmware-brcm80211        <none>
pn  firmware-cavium           <none>
pn  firmware-intel-sound      <none>
pn  firmware-intelwimax       <none>
pn  firmware-ipw2x00          <none>
pn  firmware-ivtv             <none>
pn  firmware-iwlwifi          <none>
pn  firmware-libertas         <none>
pn  firmware-linux-nonfree    <none>
pn  firmware-misc-nonfree     <none>
pn  firmware-myricom          <none>
pn  firmware-netxen           <none>
pn  firmware-qlogic           <none>
pn  firmware-realtek          <none>
pn  firmware-samsung          <none>
pn  firmware-siano            <none>
pn  firmware-ti-connectivity  <none>
pn  xen-hypervisor            <none>

-- no debconf information


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