Package: openafs-modules-dkms
Version: 1.4.12.1+dfsg-4
Severity: normal
This is my first time reporting a bug, so I am not sure if this is a new bug
or its similar to this one.
dpkg -l | grep openafs
ii openafs-client 1.4.12.1+dfsg-4
AFS distributed filesystem client support
ii openafs-modules-dkms 1.4.12.1+dfsg-4
AFS distributed filesystem kernel module DKMS source
How to reporduce
1- install openafs-modules-dkms openafs-client
2- service openafs-client stop
3- change AFS_DYNROOT=false in /etc/openafs/afs.conf.client ( let
openafs client fail to load root.afs)
4- service openafs-client start
5- service openafs-client stop
system hangs
================================================================
using openafs-modules-dkms 1.4.12.1+dfsg-4
[ 719.950866] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 719.950869] IP: [<ffffffff810c8e60>] bdi_forker_task+0x13f/0x2bd
[ 719.950873] PGD 0
[ 719.950874] Oops: 0000 [#1] SMP
[ 719.950876] last sysfs file: /sys/devices/virtual/bdi/afs/uevent
[ 719.950878] CPU 1
[ 719.950878] Modules linked in: netconsole configfs ext4 jbd2 crc16
snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_timer snd i2c_piix4
i2c_core soundcore parport_pc psmouse snd_page_alloc parport joydev
processor button serio_raw pcspkr ac evdev ext3 jbd mbcache dm_mod sg
sr_mod usbhid hid cdrom sd_mod crc_t10dif ata_generic ata_piix ahci
ohci_hcd e1000 libata ehci_hcd scsi_mod thermal thermal_sys usbcore n
ls_base [last unloaded: openafs]
[ 719.950892] Pid: 25, comm: bdi-default Tainted: P W
2.6.32-5-amd64 #1 VirtualBox
[ 719.950893] RIP: 0010:[<ffffffff810c8e60>] [<ffffffff810c8e60>]
bdi_forker_task+0x13f/0x2bd
[ 719.950896] RSP: 0018:ffff88003fa7de50 EFLAGS: 00010202
[ 719.950897] RAX: 0000000000000044 RBX: 0000000000000000 RCX:
ffffffff8142c000
[ 719.950898] RDX: 0000000000000000 RSI: 0000000000000082 RDI:
0000000000000246
[ 719.950899] RBP: 0000000000000000 R08: 00000000000073ca R09:
ffffffff814611f0
[ 719.950901] R10: 00000001018960c0 R11: ffffffff81027ff8 R12:
ffffffff81473980
[ 719.950902] R13: ffff88003fa33f90 R14: ffff88003fa7de60 R15:
ffffffff814739d0
[ 719.950903] FS: 0000000000000000(0000) GS:ffff880001880000(0000)
knlGS:0000000000000000
[ 719.950905] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[ 719.950906] CR2: 0000000000000000 CR3: 0000000001001000 CR4:
00000000000006e0
[ 719.950913] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 719.950914] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 719.950916] Process bdi-default (pid: 25, threadinfo
ffff88003fa7c000, task ffff88003fa33f90)
[ 719.950917] Stack:
[ 719.950918] ffffffff814739c0 ffffffff814739b0 ffff88003fa33f90
ffff88003fa34288
[ 719.950919] <0> 000000023f9afcd8 0000000000000000 ffff88003fa34288
ffffffff8103aa76
[ 719.950921] <0> 00000003cc1c13c4 ffff88003f9afcc8 ffffffff81473980
ffff88003f9afcd0
[ 719.950923] Call Trace:
[ 719.950925] [<ffffffff8103aa76>] ? __wake_up_common+0x44/0x72
[ 719.950927] [<ffffffff810c8d21>] ? bdi_forker_task+0x0/0x2bd
[ 719.950929] [<ffffffff81064c4d>] ? kthread+0x79/0x81
[ 719.950931] [<ffffffff81011baa>] ? child_rip+0xa/0x20
[ 719.950933] [<ffffffff81064bd4>] ? kthread+0x0/0x81
[ 719.950934] [<ffffffff81011ba0>] ? child_rip+0x0/0x20
[ 719.950935] Code: 8b 53 08 48 8d 7b 10 48 c7 c6 9b 85 0c 81 48 89
50 08 48 89 02 48 b8 00 02 20 00 00 00 ad de 48 89 43 08 e8 df f2 fc
ff 48 89 eb <48> 8b 6d 00 48 81 fb 30 3a 47 81 0f 85 3a ff ff ff b8
01 00 00
[ 719.950945] RIP [<ffffffff810c8e60>] bdi_forker_task+0x13f/0x2bd
[ 719.950947] RSP <ffff88003fa7de50>
[ 719.950948] CR2: 0000000000000000
[ 719.950950] ---[ end trace 22ba0eb7caa8e3c2 ]---
[ 719.950951] Kernel panic - not syncing: Fatal exception in
interrupt
[ 719.950952] Pid: 25, comm: bdi-default Tainted: P D W
2.6.32-5-amd64 #1
[ 719.950953] Call Trace:
[ 719.950956] [<ffffffff812fa67a>] ? panic+0x86/0x143
[ 719.950959] [<ffffffff8106861c>] ? down_trylock+0x28/0x2e
[ 719.950961] [<ffffffff8104e71e>] ? console_unblank+0x16/0x60
[ 719.950963] [<ffffffff812fd3b5>] ? oops_end+0xa7/0xb4
[ 719.950966] [<ffffffff810323fc>] ? no_context+0x1e9/0x1f8
[ 719.950968] [<ffffffff810325b1>] ?
__bad_area_nosemaphore+0x1a6/0x1ca
[ 719.950970] [<ffffffff8107747f>] ? is_module_text_address+0x5/0xc
[ 719.950972] [<ffffffff810c8e1a>] ? bdi_forker_task+0xf9/0x2bd
[ 719.950974] [<ffffffff812fc895>] ? page_fault+0x25/0x30
[ 719.950977] [<ffffffff81027ff8>] ? flat_send_IPI_mask+0x0/0x5
[ 719.950979] [<ffffffff810c8e60>] ? bdi_forker_task+0x13f/0x2bd
[ 719.950981] [<ffffffff8103aa76>] ? __wake_up_common+0x44/0x72
[ 719.950983] [<ffffffff810c8d21>] ? bdi_forker_task+0x0/0x2bd
[ 719.950984] [<ffffffff81064c4d>] ? kthread+0x79/0x81
[ 719.950986] [<ffffffff81011baa>] ? child_rip+0xa/0x20
[ 719.950987] [<ffffffff81064bd4>] ? kthread+0x0/0x81
[ 719.950988] [<ffffffff81011ba0>] ? child_rip+0x0/0x20
=====================================================================
using openafs-modules-dkms 1.4.14+dfsg-2~bpo60+1
[ 70.379011] ------------[ cut here ]------------
[ 70.379012] WARNING: at
/build/buildd-linux-2.6_2.6.32-35-amd64-aZSlKL/linux-2.6-2.6.32/debian/build/source_amd64_none/mm/backing-dev.c
:492 bdi_forker_task+0xf9/0x2bd()
[ 70.379014] Hardware name: VirtualBox
[ 70.379014] Modules linked in: netconsole configfs ext4 jbd2 crc16
snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_timer snd soundcore
snd_page_alloc psmouse i2c_piix4 parport_pc i2c_core parport joydev
button pcspkr evdev serio_raw ac processor ext3 jbd mbcache dm_mod sg
sr_mod usbhid hid cdrom sd_mod crc_t10dif ata_generic ahci ohci_hcd
ehci_hcd ata_piix usbcore libata nls_base e1000 thermal thermal_sys s
csi_mod [last unloaded: openafs]
[ 70.379027] Pid: 25, comm: bdi-default Tainted: P W
2.6.32-5-amd64 #1
[ 70.379027] Call Trace:
[ 70.379029] [<ffffffff810c8e1a>] ?
bdi_forker_task+0xf9/0x2bd
[ 70.379031] [<ffffffff810c8e1a>] ?
bdi_forker_task+0xf9/0x2bd
[ 70.379032] [<ffffffff8104df20>] ?
warn_slowpath_common+0x77/0xa3
[ 70.379034] [<ffffffff810c8e1a>] ?
bdi_forker_task+0xf9/0x2bd
[ 70.379036] [<ffffffff8103aa76>] ?
__wake_up_common+0x44/0x72
[ 70.379038] [<ffffffff810c8d21>] ? bdi_forker_task+0x0/0x2bd
[ 70.379039] [<ffffffff81064c4d>] ? kthread+0x79/0x81
[ 70.379041] [<ffffffff81011baa>] ? child_rip+0xa/0x20
[ 70.379042] [<ffffffff81064bd4>] ? kthread+0x0/0x81
[ 70.379043] [<ffffffff81011ba0>] ? child_rip+0x0/0x20
[ 70.379044] ---[ end trace d79eb7cb9e6bff56 ]---
[ 70.379045] bdi ffff88003f34ec00/<NULL> is not registered!
=========================================================================
-- System Information:
Debian Release: 6.0.2
APT prefers proposed-updates
APT policy: (500, 'proposed-updates'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-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
Versions of packages openafs-modules-dkms depends on:
ii bison 1:2.4.1.dfsg-3 A parser
generator that is compati
ii dkms 2.1.1.2-5 Dynamic
Kernel Module Support Fram
ii flex 2.5.35-10 A fast
lexical analyzer generator.
ii libc6-dev 2.11.2-10 Embedded
GNU C Library: Developmen
openafs-modules-dkms recommends no packages.
openafs-modules-dkms suggests no packages.
-- no debconf information
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