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Bug#825049: linux-image-4.5.0-0.bpo.2-amd64: Random system freezes on docked thinkpad with multiple monitors via DisplayPort MST



Package: src:linux
Version: 4.5.3-2~bpo8+1
Severity: important

Dear Maintainer,

Upon upgrading from linux-image-4.3.0-0.bpo.1-amd64_4.3.5-1~bpo8+1_amd64 I have started experiencing hard freezes with the system and at other times, applications crash resulting in
broken sound and messages in the kernel log like you see below. This also happens on a clean install with the kernel directly upgraded from the latest stable version to the current
backports version (linux-image-4.5.0-0.bpo.2-amd64) and no previous sound or profile configuration.

This did not happen in linux-image-4.3.0-0.bpo.1-amd64 and may be related to audio over MST DisplayPort (given the i915_audio_component message). I'm using the analog output, but I
noticed a difference between the two kernel versions in that the older version didn't see anything about DP audio, but the newer version sees that there is nothing connected.

Upgrading to the backports version of pulseaudio didn't help.


-- Package-specific info:
** Version:
Linux version 4.5.0-0.bpo.2-amd64 (debian-kernel@lists.debian.org) (gcc version 4.9.2 (Debian 4.9.2-10) ) #1 SMP Debian 4.5.3-2~bpo8+1 (2016-05-13)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-4.5.0-0.bpo.2-amd64 root=UUID=95f02e4e-b62d-4683-932c-0ecc9c3e39e0 ro quiet

** Tainted: DOE (12416)
 * Kernel has oopsed before.
 * Out-of-tree module has been loaded.
 * Unsigned module has been loaded (currently expected).

** Kernel log:
[    2.736615] usbcore: registered new interface driver btusb
[    2.741592] uvcvideo: Found UVC 1.00 device HD Webcam C615 (046d:082c)
[    2.743101] hidraw: raw HID events driver (C) Jiri Kosina
[    2.750879] usbcore: registered new interface driver usbhid
[    2.750879] usbhid: USB HID core driver
[    2.751286] Bluetooth: hci0: read Intel version: 370810011003110e00
[    2.751940] bluetooth hci0: firmware: direct-loading firmware intel/ibt-hw-37.8.10-fw-1.10.3.11.e.bseq
[    2.751942] Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.8.10-fw-1.10.3.11.e.bseq
[    2.754367] logitech-djreceiver 0003:046D:C52B.0003: hiddev0,hidraw0: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:14.0-3.4.3/input2
[    2.754840] uvcvideo 2-3.4.2:1.2: Entity type for entity Extension 5 was not initialized!
[    2.754842] uvcvideo 2-3.4.2:1.2: Entity type for entity Processing 2 was not initialized!
[    2.754844] uvcvideo 2-3.4.2:1.2: Entity type for entity Camera 1 was not initialized!
[    2.754845] uvcvideo 2-3.4.2:1.2: Entity type for entity Extension 6 was not initialized!
[    2.754846] uvcvideo 2-3.4.2:1.2: Entity type for entity Extension 7 was not initialized!
[    2.754847] uvcvideo 2-3.4.2:1.2: Entity type for entity Extension 8 was not initialized!
[    2.754916] input: HD Webcam C615 as /devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.4/2-3.4.2/2-3.4.2:1.2/input/input18
[    2.754979] uvcvideo: Found UVC 1.00 device Integrated Camera (5986:0366)
[    2.763102] uvcvideo 2-8:1.0: Entity type for entity Extension 4 was not initialized!
[    2.763105] uvcvideo 2-8:1.0: Entity type for entity Extension 3 was not initialized!
[    2.763107] uvcvideo 2-8:1.0: Entity type for entity Processing 2 was not initialized!
[    2.763108] uvcvideo 2-8:1.0: Entity type for entity Camera 1 was not initialized!
[    2.763176] input: Integrated Camera as /devices/pci0000:00/0000:00:14.0/usb2/2-8/2-8:1.0/input/input19
[    2.763224] usbcore: registered new interface driver uvcvideo
[    2.763224] USB Video Class driver (1.1.1)
[    2.803083] usbcore: registered new interface driver snd-usb-audio
[    2.875343] input: Logitech M215 2nd Gen as /devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.4/2-3.4.3/2-3.4.3:1.2/0003:046D:C52B.0003/0003:046D:401B.0004/input/input20
[    2.875450] logitech-hidpp-device 0003:046D:401B.0004: input,hidraw1: USB HID v1.11 Mouse [Logitech M215 2nd Gen] on usb-0000:00:14.0-3.4.3:1
[    2.995190] Bluetooth: hci0: Intel Bluetooth firmware patch completed and activated
[    3.067057] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too many voltage retries, give up
[    3.105433] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    3.105434] Bluetooth: BNEP filters: protocol multicast
[    3.105436] Bluetooth: BNEP socket layer initialized
[    5.352085] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[    6.082180] wlan0: authenticate with a6:2b:8c:82:17:22
[    6.090231] wlan0: send auth to a6:2b:8c:82:17:22 (try 1/3)
[    6.090952] wlan0: authenticated
[    6.094161] wlan0: associate with a6:2b:8c:82:17:22 (try 1/3)
[    6.095076] wlan0: RX AssocResp from a6:2b:8c:82:17:22 (capab=0x1001 status=0 aid=1)
[    6.096741] wlan0: associated
[    6.136434] wlan0: Limiting TX power to 24 (24 - 0) dBm as advertised by a6:2b:8c:82:17:22
[    7.873849] input: Logitech K330 as /devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.4/2-3.4.3/2-3.4.3:1.2/0003:046D:C52B.0003/0003:046D:4016.0005/input/input21
[    7.874343] logitech-hidpp-device 0003:046D:4016.0005: input,hidraw2: USB HID v1.11 Keyboard [Logitech K330] on usb-0000:00:14.0-3.4.3:2
[   13.154481] usb 2-3.4.2: reset high-speed USB device number 6 using xhci_hcd
[   13.490753] Bluetooth: RFCOMM TTY layer initialized
[   13.490760] Bluetooth: RFCOMM socket layer initialized
[   13.490765] Bluetooth: RFCOMM ver 1.11
[  195.003210] general protection fault: 0000 [#1] SMP 
[  195.003231] Modules linked in: rfcomm(E) bnep(E) hid_logitech_hidpp(E) hid_logitech_dj(E) usbhid(E) snd_usb_audio(E) hid(E) uvcvideo(E) snd_usbmidi_lib(E) videobuf2_vmalloc(E) snd_rawmidi(E) videobuf2_memops(E) snd_seq_device(E) videobuf2_v4l2(E) videobuf2_core(E) videodev(E) btusb(E) media(E) btrtl(E) btbcm(E) btintel(E) bluetooth(E) binfmt_misc(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) nfsd(E) auth_rpcgss(E) nfs_acl(E) snd_hda_codec_hdmi(E) nfs(E) lockd(E) grace(E) fscache(E) sunrpc(E) arc4(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) hmac(E) drbg(E) ansi_cprng(E) joydev(E) aesni_intel(E) iTCO_wdt(E) aes_x86_64(E) iTCO_vendor_support(E) lrw(E) iwlmvm(E)
[  195.003444]  gf128mul(E) glue_helper(E) ablk_helper(E) cryptd(E) mac80211(E) evdev(E) pcspkr(E) serio_raw(E) i2c_i801(E) intel_pch_thermal(E) iwlwifi(E) rtsx_pci_ms(E) memstick(E) cfg80211(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) wmi(E) i915(E) snd_hda_intel(E) snd_hda_codec(E) snd_hda_core(E) thinkpad_acpi(E) snd_hwdep(E) nvram(E) drm_kms_helper(E) snd_pcm(E) ac(E) rfkill(E) battery(E) snd_timer(E) drm(E) snd(E) video(E) soundcore(E) i2c_algo_bit(E) mei_me(E) shpchp(E) mei(E) lpc_ich(E) tpm_tis(E) button(E) tpm(E) processor(E) fuse(E) parport_pc(E) ppdev(E) lp(E) parport(E) autofs4(E) ext4(E) crc16(E) mbcache(E) jbd2(E) sg(E) sd_mod(E) rtsx_pci_sdmmc(E) mmc_core(E) crc32c_intel(E) ahci(E) libahci(E) psmouse(E) libata(E) scsi_mod(E) xhci_pci(E) ehci_pci(E) xhci_hcd(E) ehci_hcd(E) rtsx_pci(E)
[  195.003662]  mfd_core(E) e1000e(E) usbcore(E) ptp(E) usb_common(E) pps_core(E) thermal(E) fjes(E)
[  195.003688] CPU: 0 PID: 1353 Comm: alsa-sink-HDMI  Tainted: G           OE   4.5.0-0.bpo.2-amd64 #1 Debian 4.5.3-2~bpo8+1
[  195.003714] Hardware name: LENOVO 20BXCTO1WW/20BXCTO1WW, BIOS JBET49WW (1.14 ) 05/21/2015
[  195.003734] task: ffff88008bdda080 ti: ffff88033a538000 task.ti: ffff88033a538000
[  195.003751] RIP: 0010:[<ffffffffc0654ed6>]  [<ffffffffc0654ed6>] i915_audio_component_get_eld+0x76/0x120 [i915]
[  195.003797] RSP: 0018:ffff88033a53b9c0  EFLAGS: 00010202
[  195.003812] RAX: 0030383478303436 RBX: 0000000000000100 RCX: ffff88034bebfb00
[  195.003829] RDX: 0000000080000000 RSI: 0000000000000001 RDI: ffff88034e989888
[  195.003845] RBP: 0000000000000000 R08: 0000000000000100 R09: ffffffffc0654e60
[  195.003862] R10: ffff88034c8cb140 R11: 0000000000000004 R12: ffff88008b2f18d8
[  195.003878] R13: ffff88034e989888 R14: ffff88008b2f18d0 R15: ffff88034e980000
[  195.003895] FS:  00007fccfbea8700(0000) GS:ffff88035dc00000(0000) knlGS:0000000000000000
[  195.003914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  195.003928] CR2: 00007f8e0036f000 CR3: 0000000036f66000 CR4: 00000000003406f0
[  195.003944] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  195.003961] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  195.003977] Stack:
[  195.003983]  ffff88034ca20000 ffff88034dd9f800 ffff88034ca20328 ffff88008b2f18d0
[  195.004003]  0000000000000004 ffff88008b2f1800 ffffffffc0756cc4 ffff88008b2f1800
[  195.004023]  ffff88008b2f18d8 ffffffff8185fa66 0000000000000000 0000000000000001
[  195.004043] Call Trace:
[  195.004053]  [<ffffffffc0756cc4>] ? hdmi_present_sense+0x204/0x2f0 [snd_hda_codec_hdmi]
[  195.004073]  [<ffffffffc0757063>] ? generic_hdmi_resume+0x43/0x50 [snd_hda_codec_hdmi]
[  195.004095]  [<ffffffffc05943c5>] ? hda_call_codec_resume+0xc5/0x120 [snd_hda_codec]
[  195.004115]  [<ffffffffc0594451>] ? hda_codec_runtime_resume+0x31/0x50 [snd_hda_codec]
[  195.004137]  [<ffffffff81440f5e>] ? __rpm_callback+0x2e/0x70
[  195.004152]  [<ffffffffc0594420>] ? hda_call_codec_resume+0x120/0x120 [snd_hda_codec]
[  195.004171]  [<ffffffff81440fbd>] ? rpm_callback+0x1d/0x80
[  195.004187]  [<ffffffffc0594420>] ? hda_call_codec_resume+0x120/0x120 [snd_hda_codec]
[  195.004206]  [<ffffffff81441fac>] ? rpm_resume+0x46c/0x670
[  195.004222]  [<ffffffffc04bc3b0>] ? snd_pcm_post_reset+0x40/0x40 [snd_pcm]
[  195.004239]  [<ffffffff814421f8>] ? __pm_runtime_resume+0x48/0x70
[  195.004257]  [<ffffffffc059afeb>] ? azx_pcm_open+0x1db/0x380 [snd_hda_codec]
[  195.004276]  [<ffffffffc04c249f>] ? snd_pcm_open_substream+0x7f/0x140 [snd_pcm]
[  195.004294]  [<ffffffffc04c2631>] ? snd_pcm_open+0xd1/0x260 [snd_pcm]
[  195.004311]  [<ffffffff811f5ef2>] ? lookup_fast+0x52/0x320
[  195.004326]  [<ffffffff810a2e30>] ? wake_up_q+0x60/0x60
[  195.004341]  [<ffffffffc04c2870>] ? snd_pcm_playback_open+0x40/0x70 [snd_pcm]
[  195.004358]  [<ffffffff811efd1c>] ? chrdev_open+0xbc/0x190
[  195.004371]  [<ffffffff811efc60>] ? cdev_put+0x20/0x20
[  195.004385]  [<ffffffff811e8a6e>] ? do_dentry_open+0x1be/0x2d0
[  195.004400]  [<ffffffff811f95b6>] ? path_openat+0x1e6/0x13d0
[  195.004415]  [<ffffffff8122bf45>] ? fsnotify+0x415/0x500
[  195.004429]  [<ffffffff811fb961>] ? do_filp_open+0x91/0x100
[  195.004443]  [<ffffffff81202a10>] ? dput+0xa0/0x210
[  195.004455]  [<ffffffff811ea117>] ? do_sys_open+0x127/0x210
[  195.004470]  [<ffffffff815ba2b6>] ? system_call_fast_compare_end+0xc/0x6b
[  195.004486] Code: 00 00 00 0f 95 c0 31 ed 84 c0 41 88 06 75 15 4c 89 ef e8 3e 33 f6 c0 5b 89 e8 5d 41 5c 41 5d 41 5e 41 5f c3 48 8b 81 20 0b 00 00 <0f> b6 90 c2 02 00 00 48 8d b0 c0 02 00 00 8d 2c 95 04 00 00 00 
[  195.004580] RIP  [<ffffffffc0654ed6>] i915_audio_component_get_eld+0x76/0x120 [i915]
[  195.004613]  RSP <ffff88033a53b9c0>
[  195.010728] ---[ end trace 15a4977de61b8261 ]---

** Model information
sys_vendor: LENOVO
product_name: 20BXCTO1WW
product_version: ThinkPad T450s
chassis_vendor: LENOVO
chassis_version: None
bios_vendor: LENOVO
bios_version: JBET49WW (1.14 )
board_vendor: LENOVO
board_name: 20BXCTO1WW
board_version: SDK0E50510 WIN

** Loaded modules:
rfcomm(E)
bnep(E)
hid_logitech_hidpp(E)
hid_logitech_dj(E)
usbhid(E)
snd_usb_audio(E)
hid(E)
uvcvideo(E)
snd_usbmidi_lib(E)
videobuf2_vmalloc(E)
snd_rawmidi(E)
videobuf2_memops(E)
snd_seq_device(E)
videobuf2_v4l2(E)
videobuf2_core(E)
videodev(E)
btusb(E)
media(E)
btrtl(E)
btbcm(E)
btintel(E)
bluetooth(E)
binfmt_misc(E)
pci_stub(E)
vboxpci(OE)
vboxnetadp(OE)
vboxnetflt(OE)
vboxdrv(OE)
nfsd(E)
auth_rpcgss(E)
nfs_acl(E)
snd_hda_codec_hdmi(E)
nfs(E)
lockd(E)
grace(E)
fscache(E)
sunrpc(E)
arc4(E)
intel_rapl(E)
x86_pkg_temp_thermal(E)
intel_powerclamp(E)
coretemp(E)
kvm_intel(E)
kvm(E)
irqbypass(E)
crct10dif_pclmul(E)
crc32_pclmul(E)
ghash_clmulni_intel(E)
hmac(E)
drbg(E)
ansi_cprng(E)
joydev(E)
aesni_intel(E)
iTCO_wdt(E)
aes_x86_64(E)
iTCO_vendor_support(E)
lrw(E)
iwlmvm(E)
gf128mul(E)
glue_helper(E)
ablk_helper(E)
cryptd(E)
mac80211(E)
evdev(E)
pcspkr(E)
serio_raw(E)
i2c_i801(E)
intel_pch_thermal(E)
iwlwifi(E)
rtsx_pci_ms(E)
memstick(E)
cfg80211(E)
snd_hda_codec_realtek(E)
snd_hda_codec_generic(E)
wmi(E)
i915(E)
snd_hda_intel(E)
snd_hda_codec(E)
snd_hda_core(E)
thinkpad_acpi(E)
snd_hwdep(E)
nvram(E)
drm_kms_helper(E)
snd_pcm(E)
ac(E)
rfkill(E)
battery(E)
snd_timer(E)
drm(E)
snd(E)
video(E)
soundcore(E)
i2c_algo_bit(E)
mei_me(E)
shpchp(E)
mei(E)
lpc_ich(E)
tpm_tis(E)
button(E)
tpm(E)
processor(E)
fuse(E)
parport_pc(E)
ppdev(E)
lp(E)
parport(E)
autofs4(E)
ext4(E)
crc16(E)
mbcache(E)
jbd2(E)
sg(E)
sd_mod(E)
rtsx_pci_sdmmc(E)
mmc_core(E)
crc32c_intel(E)
ahci(E)
libahci(E)
psmouse(E)
libata(E)
scsi_mod(E)
xhci_pci(E)
ehci_pci(E)
xhci_hcd(E)
ehci_hcd(E)
rtsx_pci(E)
mfd_core(E)
e1000e(E)
usbcore(E)
ptp(E)
usb_common(E)
pps_core(E)
thermal(E)
fjes(E)

** Network interface configuration:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback


** Network status:
*** IP interfaces and addresses:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
    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: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 68:f7:28:c1:b5:53 brd ff:ff:ff:ff:ff:ff
    inet 192.168.10.119/24 brd 192.168.10.255 scope global dynamic eth0
       valid_lft 84863sec preferred_lft 84863sec
    inet6 fe80::6af7:28ff:fec1:b553/64 scope link 
       valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 34:02:86:b1:25:1f brd ff:ff:ff:ff:ff:ff
    inet 192.168.10.129/24 brd 192.168.10.255 scope global dynamic wlan0
       valid_lft 84863sec preferred_lft 84863sec
    inet6 fe80::3602:86ff:feb1:251f/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
  eth0: 9991582    8452    0    0    0     0          0        97   856926    6353    0    0    0     0       0          0
 wlan0:   31113     195    0    0    0     0          0         0    19454     103    0    0    0     0       0          0
    lo:    4090      33    0    0    0     0          0         0     4090      33    0    0    0     0       0          0

*** Protocol statistics:
Ip:
    8554 total packets received
    3 with invalid addresses
    0 forwarded
    0 incoming packets discarded
    8360 incoming packets delivered
    6271 requests sent out
    40 dropped because of missing route
Icmp:
    0 ICMP messages received
    0 input ICMP message failed.
    ICMP input histogram:
    0 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
Tcp:
    92 active connections openings
    2 passive connection openings
    2 failed connection attempts
    6 connection resets received
    2 connections established
    4580 segments received
    3927 segments send out
    7 segments retransmited
    0 bad segments received.
    10 resets sent
Udp:
    4008 packets received
    0 packets to unknown port received.
    0 packet receive errors
    2384 packets sent
    IgnoredMulti: 1
UdpLite:
TcpExt:
    19 TCP sockets finished time wait in fast timer
    124 delayed acks sent
    Quick ack mode was activated 7 times
    3584 packet headers predicted
    345 acknowledgments not containing data payload received
    62 predicted acknowledgments
    3 other TCP timeouts
    7 DSACKs sent for old packets
    1 connections reset due to unexpected data
    4 connections reset due to early user close
    TCPRcvCoalesce: 486
    TCPOFOQueue: 29
    TCPAutoCorking: 27
    TCPFromZeroWindowAdv: 1
    TCPToZeroWindowAdv: 1
    TCPWantZeroWindowAdv: 5
    TCPSynRetrans: 7
    TCPOrigDataSent: 443
    TCPHystartDelayDetect: 1
    TCPHystartDelayCwnd: 49
    TCPKeepAlive: 124
IpExt:
    InMcastPkts: 109
    OutMcastPkts: 99
    InBcastPkts: 103
    OutBcastPkts: 102
    InOctets: 9874648
    OutOctets: 738326
    InMcastOctets: 16126
    OutMcastOctets: 15072
    InBcastOctets: 15248
    OutBcastOctets: 14920
    InNoECTPkts: 8697


** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Broadwell-U Host Bridge -OPI [8086:1604] (rev 09)
	Subsystem: Lenovo Device [17aa:5034]
	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
	Capabilities: <access denied>
	Kernel driver in use: bdw_uncore

00:02.0 VGA compatible controller [0300]: Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller])
	Subsystem: Lenovo Device [17aa:5036]
	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 48
	Region 0: Memory at e0000000 (64-bit, non-prefetchable) [size=16M]
	Region 2: Memory at c0000000 (64-bit, prefetchable) [size=512M]
	Region 4: I/O ports at 3000 [size=64]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: i915

00:03.0 Audio device [0403]: Intel Corporation Broadwell-U Audio Controller [8086:160c] (rev 09)
	Subsystem: Lenovo Device [17aa:5034]
	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 50
	Region 0: Memory at e1230000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:14.0 USB controller [0c03]: Intel Corporation Wildcat Point-LP USB xHCI Controller [8086:9cb1] (rev 03) (prog-if 30 [XHCI])
	Subsystem: Lenovo Device [17aa:5034]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 44
	Region 0: Memory at e1220000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd

00:16.0 Communication controller [0780]: Intel Corporation Wildcat Point-LP MEI Controller #1 [8086:9cba] (rev 03)
	Subsystem: Lenovo Device [17aa:5034]
	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 46
	Region 0: Memory at e1239000 (64-bit, non-prefetchable) [size=32]
	Capabilities: <access denied>
	Kernel driver in use: mei_me

00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection (3) I218-LM [8086:15a2] (rev 03)
	Subsystem: Lenovo Device [17aa:2226]
	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 43
	Region 0: Memory at e1200000 (32-bit, non-prefetchable) [size=128K]
	Region 1: Memory at e123e000 (32-bit, non-prefetchable) [size=4K]
	Region 2: I/O ports at 3080 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: e1000e

00:1b.0 Audio device [0403]: Intel Corporation Wildcat Point-LP High Definition Audio Controller [8086:9ca0] (rev 03)
	Subsystem: Lenovo Device [17aa:5036]
	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: 32, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 47
	Region 0: Memory at e1234000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:1c.0 PCI bridge [0604]: Intel Corporation Wildcat Point-LP PCI Express Root Port #6 [8086:9c9a] (rev e3) (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, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	Memory behind bridge: e1100000-e11fffff
	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

00:1c.1 PCI bridge [0604]: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 [8086:9c94] (rev e3) (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, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
	Memory behind bridge: e1000000-e10fffff
	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

00:1d.0 USB controller [0c03]: Intel Corporation Wildcat Point-LP USB EHCI Controller [8086:9ca6] (rev 03) (prog-if 20 [EHCI])
	Subsystem: Lenovo Device [17aa:5034]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 23
	Region 0: Memory at e123d000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci

00:1f.0 ISA bridge [0601]: Intel Corporation Wildcat Point-LP LPC Controller [8086:9cc3] (rev 03)
	Subsystem: Lenovo Device [17aa:5034]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>
	Kernel driver in use: lpc_ich

00:1f.2 SATA controller [0106]: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] [8086:9c83] (rev 03) (prog-if 01 [AHCI 1.0])
	Subsystem: Lenovo Device [17aa:5034]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 45
	Region 0: I/O ports at 30a8 [size=8]
	Region 1: I/O ports at 30b4 [size=4]
	Region 2: I/O ports at 30a0 [size=8]
	Region 3: I/O ports at 30b0 [size=4]
	Region 4: I/O ports at 3060 [size=32]
	Region 5: Memory at e123c000 (32-bit, non-prefetchable) [size=2K]
	Capabilities: <access denied>
	Kernel driver in use: ahci

00:1f.3 SMBus [0c05]: Intel Corporation Wildcat Point-LP SMBus Controller [8086:9ca2] (rev 03)
	Subsystem: Lenovo Device [17aa:5034]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin C routed to IRQ 18
	Region 0: Memory at e1238000 (64-bit, non-prefetchable) [size=256]
	Region 4: I/O ports at efa0 [size=32]
	Kernel driver in use: i801_smbus

00:1f.6 Signal processing controller [1180]: Intel Corporation Wildcat Point-LP Thermal Management Controller [8086:9ca4] (rev 03)
	Subsystem: Lenovo Device [17aa:5034]
	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 18
	Region 0: Memory at e123b000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: intel_pch_thermal

02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader [10ec:5227] (rev 01)
	Subsystem: Lenovo Device [17aa:5034]
	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 42
	Region 0: Memory at e1100000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: rtsx_pci

03:00.0 Network controller [0280]: Intel Corporation Wireless 7265 [8086:095b] (rev 59)
	Subsystem: Intel Corporation Dual Band Wireless-AC 7265 [8086:5210]
	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 49
	Region 0: Memory at e1000000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlwifi


** USB devices:
Bus 001 Device 002: ID 8087:8001 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 17ef:1010 Lenovo 
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 009: ID 5986:0366 Acer, Inc 
Bus 002 Device 007: ID 8087:0a2a Intel Corp. 
Bus 002 Device 005: ID 138a:0017 Validity Sensors, Inc. 
Bus 002 Device 003: ID 058f:9540 Alcor Micro Corp. 
Bus 002 Device 008: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 002 Device 006: ID 046d:082c Logitech, Inc. 
Bus 002 Device 004: ID 17ef:100f Lenovo 
Bus 002 Device 002: ID 17ef:1010 Lenovo 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: 8.4
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.5.0-0.bpo.2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages linux-image-4.5.0-0.bpo.2-amd64 depends on:
ii  debconf [debconf-2.0]                   1.5.56
ii  initramfs-tools [linux-initramfs-tool]  0.120+deb8u1
ii  kmod                                    18-3
ii  linux-base                              3.5

Versions of packages linux-image-4.5.0-0.bpo.2-amd64 recommends:
ii  firmware-linux-free  3.3
ii  irqbalance           1.1.0-2~bpo8+1

Versions of packages linux-image-4.5.0-0.bpo.2-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-pc                 2.02~beta2-22+deb8u1
pn  linux-doc-4.5           <none>

Versions of packages linux-image-4.5.0-0.bpo.2-amd64 is related to:
pn  firmware-amd-graphics     <none>
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>
ii  firmware-iwlwifi          20160110-1~bpo8+1
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>

-- debconf information:
  linux-image-4.5.0-0.bpo.2-amd64/prerm/removing-running-kernel-4.5.0-0.bpo.2-amd64: true


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