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Bug#830687: marked as done (linux-image-4.5.0-0.bpo.2-amd64: livelock on reading /proc/mounts)



Your message dated Sun, 09 May 2021 13:07:44 -0700 (PDT)
with message-id <60984110.1c69fb81.d4b17.b851@mx.google.com>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #830687,
regarding linux-image-4.5.0-0.bpo.2-amd64: livelock on reading /proc/mounts
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
830687: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=830687
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: src:linux
Version: 4.5.4-1~bpo8+1
Severity: normal

NFS seems to have been getting progressively less and less reliable in
kernels>~4.0.  The latest manifestation on that for me is that having
an remote NFS machine go down today, and even after it came back up,
50 instances of /usr/lib/sysstat/sadc (5 minute cronjob) and a dozen
df's are stuck on the machine trying to access that remote mount.
What are they stuck on?  strace shows they're not succeeding in
reading /etc/mtab = /proc/mounts:
...
open("/etc/mtab", O_RDONLY|O_CLOEXEC)   = 3
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f67f044e000
read(3, 0-2-19:08:40, Sun Jul 10 root@dirac:/home/tconnors (bash)
73854,15> l /etc/mtab 
lrwxrwxrwx 1 root root 12 May 29 17:00 /etc/mtab -> /proc/mounts

Indeed, cat /proc/mounts doesn't return.

73855,16> ps axuf | grep proc.mounts 
...
tconnors 23264  0.0  0.0  10632   760 pts/53   D    19:00   0:00                      |           \_ cat /proc/mounts
...
73856,17> cat /proc/23264/stack 
[<ffffffff81317ea4>] call_rwsem_down_read_failed+0x14/0x30
[<ffffffff81209e8d>] m_start+0x1d/0x80
[<ffffffff8120ebeb>] seq_read+0x16b/0x3a0
[<ffffffff811eb4e1>] vfs_read+0x81/0x120
[<ffffffff811ec542>] SyS_read+0x52/0xc0
[<ffffffff815ba236>] system_call_fast_compare_end+0xc/0x6b
[<ffffffffffffffff>] 0xffffffffffffffff


-- 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 4.5.4-1~bpo8+1 (2016-05-13)

** Command line:
BOOT_IMAGE=/vmlinuz-4.5.0-0.bpo.2-amd64 root=/dev/mapper/dirac-root ro zswap.enabled=1

** Tainted: POE (12289)
 * Proprietary module has been loaded.
 * Out-of-tree module has been loaded.
 * Unsigned module has been loaded (currently expected).

** Kernel log:
[1112649.367575]  [<ffffffff811fade1>] ? filename_lookup+0xb1/0x180
[1112649.367581]  [<ffffffffc0ee1629>] ? nfs_statfs+0x79/0x180 [nfs]
[1112649.367582]  [<ffffffff811faa1f>] ? getname_flags+0x6f/0x1e0
[1112649.367584]  [<ffffffff8121f0ff>] ? user_statfs+0x3f/0xa0
[1112649.367586]  [<ffffffff8121f180>] ? SYSC_statfs+0x20/0x50
[1112649.367587]  [<ffffffff811f0689>] ? SYSC_newstat+0x39/0x60
[1112649.367589]  [<ffffffff815ba236>] ? system_call_fast_compare_end+0xc/0x6b
[1112649.367592] INFO: task sadc:11346 blocked for more than 120 seconds.
[1112649.367592]       Tainted: P           OE   4.5.0-0.bpo.2-amd64 #1
[1112649.367593] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[1112649.367594] sadc            D 0000000000000001     0 11346  11345 0x00000000
[1112649.367596]  ffff8800ca7a5180 ffff880108246140 ffff8803f6414000 ffff8803f6413bb0
[1112649.367597]  ffffffff81a88a18 ffffffff81a88a00 ffffffff00000000 ffffffff00000002
[1112649.367599]  ffffffff815b6451 ffff8800ca7a5180 ffffffff815b8efc ffff8803f6413b50
[1112649.367600] Call Trace:
[1112649.367602]  [<ffffffff815b6451>] ? schedule+0x31/0x80
[1112649.367603]  [<ffffffff815b8efc>] ? rwsem_down_write_failed+0x20c/0x340
[1112649.367610]  [<ffffffffc10f21bf>] ? nfs4_proc_lookup_common+0xbf/0x3b0 [nfsv4]
[1112649.367611]  [<ffffffff81317ed3>] ? call_rwsem_down_write_failed+0x13/0x20
[1112649.367612]  [<ffffffff815b86f9>] ? down_write+0x29/0x40
[1112649.367614]  [<ffffffff81209fc9>] ? mnt_set_expiry+0x19/0x30
[1112649.367620]  [<ffffffffc0eedf79>] ? nfs_d_automount+0xb9/0x1b0 [nfs]
[1112649.367622]  [<ffffffff811f5c11>] ? follow_managed+0x131/0x2d0
[1112649.367623]  [<ffffffff811f607b>] ? lookup_fast+0x12b/0x320
[1112649.367625]  [<ffffffff811f6a56>] ? walk_component+0x46/0x480
[1112649.367627]  [<ffffffff811f789d>] ? path_lookupat+0x5d/0x110
[1112649.367628]  [<ffffffff811fade1>] ? filename_lookup+0xb1/0x180
[1112649.367633]  [<ffffffffc0ee1629>] ? nfs_statfs+0x79/0x180 [nfs]
[1112649.367635]  [<ffffffff811faa1f>] ? getname_flags+0x6f/0x1e0
[1112649.367637]  [<ffffffff8121f0ff>] ? user_statfs+0x3f/0xa0
[1112649.367638]  [<ffffffff8121f180>] ? SYSC_statfs+0x20/0x50
[1112649.367640]  [<ffffffff811f0689>] ? SYSC_newstat+0x39/0x60
[1112649.367641]  [<ffffffff815ba236>] ? system_call_fast_compare_end+0xc/0x6b
[1112828.668378] CPU1: Core temperature above threshold, cpu clock throttled (total events = 3766348)
[1112828.668379] CPU5: Core temperature above threshold, cpu clock throttled (total events = 3766345)
[1112828.668380] CPU6: Package temperature above threshold, cpu clock throttled (total events = 5193799)
[1112828.668381] CPU2: Package temperature above threshold, cpu clock throttled (total events = 5193796)
[1112828.668383] CPU7: Package temperature above threshold, cpu clock throttled (total events = 5193801)
[1112828.668384] CPU3: Package temperature above threshold, cpu clock throttled (total events = 5193800)
[1112828.668386] CPU4: Package temperature above threshold, cpu clock throttled (total events = 5193790)
[1112828.668387] CPU0: Package temperature above threshold, cpu clock throttled (total events = 5193801)
[1112828.668388] CPU5: Package temperature above threshold, cpu clock throttled (total events = 5193798)
[1112828.668392] mce_notify_irq: 2 callbacks suppressed
[1112828.668393] mce: [Hardware Error]: Machine check events logged
[1112828.668399] CPU1: Package temperature above threshold, cpu clock throttled (total events = 5193803)
[1112828.668401] mce: [Hardware Error]: Machine check events logged
[1112828.670364] CPU1: Core temperature/speed normal
[1112828.670365] CPU5: Core temperature/speed normal
[1113128.672718] CPU5: Core temperature above threshold, cpu clock throttled (total events = 3802171)
[1113128.672720] CPU1: Core temperature above threshold, cpu clock throttled (total events = 3802174)
[1113128.672721] CPU3: Package temperature above threshold, cpu clock throttled (total events = 5247156)
[1113128.672723] CPU0: Package temperature above threshold, cpu clock throttled (total events = 5247157)
[1113128.672724] CPU4: Package temperature above threshold, cpu clock throttled (total events = 5247146)
[1113128.672726] CPU7: Package temperature above threshold, cpu clock throttled (total events = 5247157)
[1113128.672727] CPU2: Package temperature above threshold, cpu clock throttled (total events = 5247152)
[1113128.672729] CPU6: Package temperature above threshold, cpu clock throttled (total events = 5247155)
[1113128.672729] CPU1: Package temperature above threshold, cpu clock throttled (total events = 5247159)
[1113128.672735] mce_notify_irq: 1 callbacks suppressed
[1113128.672736] mce: [Hardware Error]: Machine check events logged
[1113128.672741] CPU5: Package temperature above threshold, cpu clock throttled (total events = 5247154)
[1113128.672744] mce: [Hardware Error]: Machine check events logged
[1113128.674745] CPU1: Core temperature/speed normal
[1113128.674748] CPU5: Core temperature/speed normal
[1113128.674753] CPU4: Package temperature/speed normal
[1113128.674757] CPU3: Package temperature/speed normal
[1113128.674760] CPU0: Package temperature/speed normal
[1113128.674763] CPU7: Package temperature/speed normal
[1113128.674767] CPU2: Package temperature/speed normal
[1113128.674770] CPU6: Package temperature/speed normal
[1113128.674773] CPU5: Package temperature/speed normal
[1113128.674809] CPU1: Package temperature/speed normal
[1113129.926651] CPU6: Core temperature/speed normal
[1113129.926654] CPU2: Core temperature/speed normal
[1113428.689094] CPU1: Core temperature above threshold, cpu clock throttled (total events = 3832285)
[1113428.689096] CPU5: Core temperature above threshold, cpu clock throttled (total events = 3832282)
[1113428.689097] CPU7: Package temperature above threshold, cpu clock throttled (total events = 5296782)
[1113428.689099] CPU4: Package temperature above threshold, cpu clock throttled (total events = 5296771)
[1113428.689101] CPU6: Package temperature above threshold, cpu clock throttled (total events = 5296780)
[1113428.689102] CPU0: Package temperature above threshold, cpu clock throttled (total events = 5296782)
[1113428.689103] CPU2: Package temperature above threshold, cpu clock throttled (total events = 5296777)
[1113428.689105] CPU3: Package temperature above threshold, cpu clock throttled (total events = 5296781)
[1113428.689105] CPU5: Package temperature above threshold, cpu clock throttled (total events = 5296779)
[1113428.689110] mce_notify_irq: 4 callbacks suppressed
[1113428.689111] mce: [Hardware Error]: Machine check events logged
[1113428.689116] CPU1: Package temperature above threshold, cpu clock throttled (total events = 5296784)
[1113428.689118] mce: [Hardware Error]: Machine check events logged
[1113428.690118] CPU4: Package temperature/speed normal
[1113428.690120] CPU0: Package temperature/speed normal
[1113428.690124] CPU6: Package temperature/speed normal
[1113428.690128] CPU1: Core temperature/speed normal
[1113428.690131] CPU5: Core temperature/speed normal
[1113428.690135] CPU7: Package temperature/speed normal
[1113428.690138] CPU3: Package temperature/speed normal
[1113428.690141] CPU2: Package temperature/speed normal
[1113428.690143] CPU1: Package temperature/speed normal
[1113428.690144] CPU5: Package temperature/speed normal
[1113430.274784] CPU2: Core temperature above threshold, cpu clock throttled (total events = 1637344)
[1113430.274785] CPU6: Core temperature above threshold, cpu clock throttled (total events = 1637344)
[1113430.277809] CPU6: Core temperature/speed normal
[1113430.277812] CPU2: Core temperature/speed normal

** Model information
sys_vendor: Notebook                        
product_name: P15SM                           
product_version: Not Applicable                  
chassis_vendor: Notebook                        
chassis_version: N/A                             
bios_vendor: American Megatrends Inc.
bios_version: 4.6.5
board_vendor: Notebook                        
board_name: P15SM                           
board_version: Not Applicable                  

** Loaded modules:
ipt_REJECT(E)
nf_reject_ipv4(E)
nfsv3(E)
nls_iso8859_1(E)
nls_cp437(E)
vfat(E)
fat(E)
udp_diag(E)
tcp_diag(E)
inet_diag(E)
xt_multiport(E)
iptable_filter(E)
ip_tables(E)
x_tables(E)
nfsv4(E)
dns_resolver(E)
vmw_vsock_vmci_transport(E)
vsock(E)
nfnetlink_queue(E)
vmw_vmci(E)
nfnetlink_log(E)
nfnetlink(E)
bnep(E)
bluetooth(E)
cpufreq_conservative(E)
cpufreq_powersave(E)
cpufreq_userspace(E)
cpufreq_stats(E)
bbswitch(OE)
autofs4(E)
pci_stub(E)
vboxpci(OE)
vboxnetadp(OE)
vboxnetflt(OE)
vboxdrv(OE)
binfmt_misc(E)
uinput(E)
rpcsec_gss_krb5(E)
nfsd(E)
auth_rpcgss(E)
nfs_acl(E)
nfs(E)
lockd(E)
grace(E)
fscache(E)
sunrpc(E)
loop(E)
cuse(E)
fuse(E)
parport_pc(E)
ppdev(E)
lp(E)
parport(E)
intel_rapl(E)
x86_pkg_temp_thermal(E)
intel_powerclamp(E)
coretemp(E)
kvm_intel(E)
kvm(E)
snd_usb_audio(E)
snd_usbmidi_lib(E)
snd_rawmidi(E)
snd_seq_device(E)
irqbypass(E)
crct10dif_pclmul(E)
snd_hda_codec_hdmi(E)
uvcvideo(E)
videobuf2_vmalloc(E)
videobuf2_memops(E)
videobuf2_v4l2(E)
videobuf2_core(E)
videodev(E)
media(E)
crc32_pclmul(E)
ghash_clmulni_intel(E)
hmac(E)
drbg(E)
ansi_cprng(E)
aesni_intel(E)
aes_x86_64(E)
i915(E)
lrw(E)
gf128mul(E)
arc4(E)
glue_helper(E)
iwldvm(E)
iTCO_wdt(E)
iTCO_vendor_support(E)
snd_hda_codec_realtek(E)
snd_hda_codec_generic(E)
mac80211(E)
mxm_wmi(E)
snd_hda_intel(E)
drm_kms_helper(E)
mei_me(E)
ablk_helper(E)
snd_hda_codec(E)
iwlwifi(E)
snd_hda_core(E)
snd_hwdep(E)
snd_pcm(E)
evdev(E)
cfg80211(E)
snd_timer(E)
cryptd(E)
joydev(E)
ie31200_edac(E)
snd(E)
serio_raw(E)
drm(E)
i2c_algo_bit(E)
rtsx_pci_ms(E)
memstick(E)
pcspkr(E)
i2c_i801(E)
mei(E)
rfkill(E)
edac_core(E)
soundcore(E)
lpc_ich(E)
tpm_infineon(E)
video(E)
shpchp(E)
ac(E)
tpm_tis(E)
tpm(E)
processor(E)
button(E)
battery(E)
wmi(E)
zfs(POE)
zunicode(POE)
zcommon(POE)
znvpair(POE)
spl(OE)
zavl(POE)
ext4(E)
crc16(E)
mbcache(E)
jbd2(E)
uas(E)
usb_storage(E)
btrfs(E)
xor(E)
raid6_pq(E)
dm_mod(E)
hid_generic(E)
sg(E)
usbhid(E)
hid(E)
sd_mod(E)
rtsx_pci_sdmmc(E)
mmc_core(E)
ahci(E)
libahci(E)
crc32c_intel(E)
xhci_pci(E)
ehci_pci(E)
xhci_hcd(E)
libata(E)
ehci_hcd(E)
psmouse(E)
firewire_ohci(E)
scsi_mod(E)
rtsx_pci(E)
r8169(E)
firewire_core(E)
usbcore(E)
crc_itu_t(E)
mii(E)
mfd_core(E)
usb_common(E)
thermal(E)
fjes(E)

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller [8086:0c04] (rev 06)
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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>

00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller [8086:0c01] (rev 06) (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
	Interrupt: pin A routed to IRQ 26
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 0000e000-0000efff
	Memory behind bridge: f6000000-f70fffff
	Prefetchable memory behind bridge: 00000000e0000000-00000000f1ffffff
	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]: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller])
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 34
	Region 0: Memory at f7400000 (64-bit, non-prefetchable) [size=4M]
	Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at f000 [size=64]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: i915

00:03.0 Audio device [0403]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [8086:0c0c] (rev 06)
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 35
	Region 0: Memory at f7b14000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:14.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI [8086:8c31] (rev 04) (prog-if 30 [XHCI])
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 29
	Region 0: Memory at f7b00000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd

00:16.0 Communication controller [0780]: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 [8086:8c3a] (rev 04)
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 32
	Region 0: Memory at f7b1e000 (64-bit, non-prefetchable) [size=16]
	Capabilities: <access denied>
	Kernel driver in use: mei_me

00:1a.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 [8086:8c2d] (rev 04) (prog-if 20 [EHCI])
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 16
	Region 0: Memory at f7b1c000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci

00:1b.0 Audio device [0403]: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller [8086:8c20] (rev 04)
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 33
	Region 0: Memory at f7b10000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:1c.0 PCI bridge [0604]: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 [8086:8c10] (rev d4) (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
	Interrupt: pin A routed to IRQ 16
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	I/O behind bridge: 00002000-00002fff
	Memory behind bridge: cf200000-cf3fffff
	Prefetchable memory behind bridge: 00000000cf400000-00000000cf5fffff
	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 8 Series/C220 Series Chipset Family PCI Express Root Port #2 [8086:8c12] (rev d4) (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
	Interrupt: pin B routed to IRQ 17
	Bus: primary=00, secondary=03, subordinate=04, sec-latency=0
	Memory behind bridge: f7a00000-f7afffff
	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.2 PCI bridge [0604]: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #3 [8086:8c14] (rev d4) (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
	Interrupt: pin C routed to IRQ 18
	Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
	I/O behind bridge: 0000d000-0000dfff
	Memory behind bridge: f7900000-f79fffff
	Prefetchable memory behind bridge: 00000000f2100000-00000000f21fffff
	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.3 PCI bridge [0604]: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 [8086:8c16] (rev d4) (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
	Interrupt: pin D routed to IRQ 19
	Bus: primary=00, secondary=06, subordinate=06, sec-latency=0
	Memory behind bridge: f7800000-f78fffff
	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 8 Series/C220 Series Chipset Family USB EHCI #1 [8086:8c26] (rev 04) (prog-if 20 [EHCI])
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 f7b1b000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci

00:1f.0 ISA bridge [0601]: Intel Corporation HM87 Express LPC Controller [8086:8c4b] (rev 04)
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] [8086:8c03] (rev 04) (prog-if 01 [AHCI 1.0])
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 30
	Region 0: I/O ports at f0b0 [size=8]
	Region 1: I/O ports at f0a0 [size=4]
	Region 2: I/O ports at f090 [size=8]
	Region 3: I/O ports at f080 [size=4]
	Region 4: I/O ports at f060 [size=32]
	Region 5: Memory at f7b1a000 (32-bit, non-prefetchable) [size=2K]
	Capabilities: <access denied>
	Kernel driver in use: ahci

00:1f.3 SMBus [0c05]: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller [8086:8c22] (rev 04)
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 f7b19000 (64-bit, non-prefetchable) [size=256]
	Region 4: I/O ports at f040 [size=32]

01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK104M [GeForce GTX 670MX] [10de:11a1] (rev ff) (prog-if ff)
	!!! Unknown header type 7f

03:00.0 PCI bridge [0604]: Texas Instruments XIO2213A/B/XIO2221 PCI Express to PCI Bridge [Cheetah Express] [104c:823e] (rev 01) (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=03, secondary=04, subordinate=04, sec-latency=32
	Memory behind bridge: f7a00000-f7afffff
	Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>

04:00.0 FireWire (IEEE 1394) [0c00]: Texas Instruments XIO2213A/B/XIO2221 IEEE-1394b OHCI Controller [Cheetah Express] [104c:823f] (rev 01) (prog-if 10 [OHCI])
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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: 32 (500ns min, 1000ns max), Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 17
	Region 0: Memory at f7a04000 (32-bit, non-prefetchable) [size=2K]
	Region 1: Memory at f7a00000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: firewire_ohci

05:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTL8411 PCI Express Card Reader [10ec:5289] (rev 01)
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 28
	Region 0: Memory at f7900000 (32-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: rtsx_pci

05:00.2 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0a)
	Subsystem: CLEVO/KAPOK Computer Device [1558:5106]
	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 27
	Region 0: I/O ports at d000 [size=256]
	Region 2: Memory at f2104000 (64-bit, prefetchable) [size=4K]
	Region 4: Memory at f2100000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: r8169

06:00.0 Network controller [0280]: Intel Corporation Centrino Ultimate-N 6300 [8086:422b] (rev 3e)
	Subsystem: Intel Corporation Centrino Ultimate-N 6300 3x3 AGN [8086:1101]
	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 31
	Region 0: Memory at f7800000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlwifi



-- System Information:
Debian Release: 8.5
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable'), (5, 'testing'), (2, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.5.0-0.bpo.2-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

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+deb8u2
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           1.0.6-3

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          0.43
pn  firmware-libertas         <none>
ii  firmware-linux-nonfree    0.43
pn  firmware-misc-nonfree     <none>
pn  firmware-myricom          <none>
pn  firmware-netxen           <none>
pn  firmware-qlogic           <none>
ii  firmware-realtek          20160110-1
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

--- End Message ---
--- Begin Message ---
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---

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