Public bug reported:
After boot `dmesg` reveals kernel bug
[ 51.087327] ------------[ cut here ]------------
[ 51.087365] kernel BUG at
/var/lib/dkms/openafs/1.6.14/build/src/libafs/MODLOAD-4.2.0-29-generic-SP/osi_alloc.c:356!
[ 51.087438] invalid opcode: 0000 [#1] SMP
[ 51.087483] Modules linked in: openafs(POE) bbswitch(OE) bluetooth
binfmt_misc pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE)
ax88179_178a usbnet mii uvcvideo videobuf2_vmalloc videobuf2_memops
videobuf2_core v4l2_common videodev media arc4 iwldvm mac80211 nls_iso8859_1
intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm
crct10dif_pclmul crc32_pclmul cryptd ideapad_laptop input_leds sparse_keymap
joydev mac_hid serio_raw iwlwifi mei_me mei cfg80211 shpchp lpc_ich parport_pc
ppdev lp parport autofs4 btrfs xor raid6_pq bcache hid_generic usbhid hid i915
psmouse i2c_algo_bit drm_kms_helper ahci libahci drm wmi video
[ 51.087795] CPU: 2 PID: 2343 Comm: afsd Tainted: P OE
4.2.0-29-generic #34-Ubuntu
[ 51.087827] Hardware name: LENOVO IdeaPad U410 /Lenovo ,
BIOS 65CN90WW 09/25/2012
[ 51.087859] task: ffff88022560ee00 ti: ffff8800bf720000 task.ti:
ffff8800bf720000
[ 51.087888] RIP: 0010:[<ffffffffc086dc31>] [<ffffffffc086dc31>]
osi_linux_free+0xb1/0xc0 [openafs]
[ 51.087938] RSP: 0018:ffff8800bf723cc8 EFLAGS: 00010246
[ 51.087958] RAX: 0000000000000035 RBX: 00000000318c0300 RCX:
0000000000000000
[ 51.087985] RDX: 0000000000000000 RSI: ffff88022f28e938 RDI:
ffff88022f28e938
[ 51.088011] RBP: ffff8800bf723ce8 R08: 000000000000000a R09:
00000000000003ff
[ 51.088038] R10: 0000000000014ba4 R11: 00000000000003ff R12:
0000000000000000
[ 51.088064] R13: 0000000000000002 R14: ffff8800c6392900 R15:
0000000000000000
[ 51.088091] FS: 00007fd3d543d700(0000) GS:ffff88022f280000(0000)
knlGS:0000000000000000
[ 51.088121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.088143] CR2: 00007f9a76ec8468 CR3: 00000000bf658000 CR4:
00000000001406e0
[ 51.088170] Stack:
[ 51.088178] ffff8800c6300c00 000000000fda6f55 ffff8800bf723cf8
ffff880223ce5800
[ 51.088208] ffff8800bf723cf8 ffffffffc0824e7b ffff8800bf723d58
ffffffffc0871231
[ 51.088237] 0000000000000008 ffff8800c76c1200 0000000000000000
000000000fda6f55
[ 51.088267] Call Trace:
[ 51.088287] [<ffffffffc0824e7b>] afs_osi_Free+0x2b/0x30 [openafs]
[ 51.088320] [<ffffffffc0871231>] afs_fill_super+0x261/0x3f0 [openafs]
[ 51.088353] [<ffffffffc0870fd0>] ? afs_alloc_inode+0x20/0x20 [openafs]
[ 51.088381] [<ffffffff81200f5d>] mount_nodev+0x4d/0xa0
[ 51.088407] [<ffffffffc0870df8>] afs_mount+0x18/0x20 [openafs]
[ 51.088431] [<ffffffff81201a88>] mount_fs+0x38/0x160
[ 51.088452] [<ffffffff811a69b5>] ? __alloc_percpu+0x15/0x20
[ 51.088475] [<ffffffff8121d87b>] vfs_kern_mount+0x6b/0x120
[ 51.088496] [<ffffffff81220086>] do_mount+0x246/0xd10
[ 51.088517] [<ffffffff811a10fe>] ? strndup_user+0x4e/0xb0
[ 51.088538] [<ffffffff811a1076>] ? memdup_user+0x46/0x80
[ 51.088559] [<ffffffff81220e7f>] SyS_mount+0x9f/0x100
[ 51.088580] [<ffffffff817f2cf2>] entry_SYSCALL_64_fastpath+0x16/0x75
[ 51.088604] Code: b8 03 00 01 e8 01 30 f8 c0 48 8b 45 e8 65 48 33 04 25
28 00 00 00 75 15 48 83 c4 18 5b 5d c3 48 c7 c7 a8 f7 88 c0 e8 ba b8 f7 c0 <0f>
0b e8 78 db 80 c0 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55
[ 51.088712] RIP [<ffffffffc086dc31>] osi_linux_free+0xb1/0xc0 [openafs]
[ 51.088746] RSP <ffff8800bf723cc8>
[ 51.094324] ---[ end trace 85c3af1823134528 ]---
which seems to cause `systemctl restart openafs-client.service` to not
succeed until it times out.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: openafs-client 1.6.14-1 [modified:
lib/systemd/system/openafs-client.service]
ProcVersionSignature: Ubuntu 4.2.0-29.34-generic 4.2.8-ckt3
Uname: Linux 4.2.0-29-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Feb 13 13:57:06 2016
InstallationDate: Installed on 2013-10-17 (848 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
SourcePackage: openafs
UpgradeStatus: Upgraded to wily on 2015-11-19 (85 days ago)
** Affects: openafs (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
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https://bugs.launchpad.net/bugs/1545273
Title:
kernel bug "invalid opcode: 0000 [#1] SMP"
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