Public bug reported:
Hi.
I have a SuperMicro server with Ubuntu 10.04.4 LTS:
motherboard: SuperMicro X8DTT-F
RAID controller: LSI MegaRAID SAS 9280-4i4e + SAS Expander Chenbro CK23601
Linux dbnode 2.6.32-41-server #91-Ubuntu SMP x86_64 GNU/Linux
megaraid_sas module: 00.00.05.30
Host is running MySQl-Percona: 5.5.27-rel29.0-315.lucid
So, first appeared:
Jun 11 19:03:49 dbnode kernel: BUG: unable to handle kernel NULL pointer
dereference at 0008
Jun 11 19:03:49 dbnode kernel: IP: []
__journal_remove_journal_head+0x1d/0x150
Jun 11 19:03:49 dbnode kernel: PGD c0833d067 PUD c08efb067 PMD 0
Jun 11 19:03:49 dbnode kernel: Oops: [#1] SMP
Jun 11 19:03:49 dbnode kernel: last sysfs file:
/sys/module/megaraid_sas/version
Jun 11 19:03:49 dbnode kernel: CPU 4
Jun 11 19:03:49 dbnode kernel: Modules linked in: btrfs zlib_deflate crc32c
libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs exportfs
reiserfs xt_comment xt_tcpudp iptable_filter ip_tables x_tables 8021q garp stp
ipmi_devintf ipmi_si ipmi_msghandler fbcon tileblit font bitblit lp psmouse
softcursor ioatdma vga16fb parport serio_raw vgastate joydev usbhid hid igb
megaraid_sas dca
Jun 11 19:03:49 dbnode kernel: Pid: 944, comm: kjournald Not tainted
2.6.32-41-server #91-Ubuntu X8DTT
Jun 11 19:03:49 dbnode kernel: RIP: 0010:[]
[] __journal_remove_journal_head+0x1d/0x150
Jun 11 19:03:50 dbnode kernel: RSP: 0018:880c086e9c70 EFLAGS: 00010282
Jun 11 19:03:50 dbnode kernel: RAX: RBX: 88134c983cb0
RCX: 0034
Jun 11 19:03:50 dbnode kernel: RDX: 0002 RSI: 88134c983cb0
RDI: 88134c983cb0
Jun 11 19:03:50 dbnode kernel: RBP: 880c086e9c80 R08: 6010
R09: ec956c9676072c02
Jun 11 19:03:50 dbnode kernel: R10: R11:
R12:
Jun 11 19:03:50 dbnode kernel: R13: 0001 R14: 8813ddcc4600
R15: 88141717354c
Jun 11 19:03:50 dbnode kernel: FS: ()
GS:880c5c60() knlGS:
Jun 11 19:03:50 dbnode kernel: CS: 0010 DS: 0018 ES: 0018 CR0: 8005003b
Jun 11 19:03:50 dbnode kernel: CR2: 0008 CR3: 000618954000
CR4: 06e0
Jun 11 19:03:50 dbnode kernel: DR0: DR1:
DR2:
Jun 11 19:03:50 dbnode kernel: DR3: DR6: 0ff0
DR7: 0400
Jun 11 19:03:50 dbnode kernel: Process kjournald (pid: 944, threadinfo
880c086e8000, task 880c077cc500)
Jun 11 19:03:50 dbnode kernel: Stack:
Jun 11 19:03:50 dbnode kernel: 88134c983cb0 880103069c40
880c086e9ca0 8121cae4
Jun 11 19:03:50 dbnode kernel: <4> <0> 880c086e9ca0 88134c983cb0
880c086e9d30 812179e5
Jun 11 19:03:50 dbnode kernel: <4> <0> 00030001
880c086e9cd0 8814
Jun 11 19:03:50 dbnode kernel: Call Trace:
Jun 11 19:03:50 dbnode kernel: []
journal_remove_journal_head+0x24/0x40
Jun 11 19:03:50 dbnode kernel: []
journal_submit_data_buffers+0x135/0x320
Jun 11 19:03:50 dbnode kernel: []
journal_commit_transaction+0x2d2/0xe40
Jun 11 19:03:50 dbnode kernel: [] ?
default_spin_lock_flags+0x9/0x10
Jun 11 19:03:50 dbnode kernel: [] ? lock_timer_base+0x3c/0x70
Jun 11 19:03:50 dbnode kernel: [] ?
try_to_del_timer_sync+0x79/0xd0
Jun 11 19:03:50 dbnode kernel: [] kjournald+0xed/0x250
Jun 11 19:03:50 dbnode kernel: [] ?
autoremove_wake_function+0x0/0x40
Jun 11 19:03:50 dbnode kernel: [] ? kjournald+0x0/0x250
Jun 11 19:03:50 dbnode kernel: [] kthread+0x96/0xa0
Jun 11 19:03:50 dbnode kernel: [] child_rip+0xa/0x20
Jun 11 19:03:50 dbnode kernel: [] ? kthread+0x0/0xa0
Jun 11 19:03:50 dbnode kernel: [] ? child_rip+0x0/0x20
Jun 11 19:03:50 dbnode kernel: Code: eb a9 66 66 66 2e 0f 1f 84 00 00 00 00 00
55 48 89 e5 48 83 ec 10 48 89 1c 24 4c 89 64 24 08 0f 1f 44 00 00 4c 8b 67 40
48 89 fb <41> 8b 7c 24 08 85 ff 0f 88 a1 00 00 00 f0 ff 43 60 41 8b 74 24
Jun 11 19:03:50 dbnode kernel: RIP []
__journal_remove_journal_head+0x1d/0x150
Jun 11 19:03:50 dbnode kernel: RSP
Jun 11 19:03:50 dbnode kernel: CR2: 0008
Jun 11 19:03:50 dbnode kernel: ---[ end trace a4e2215d4221effa ]---
Then, a lot of such messages:
Jun 11 19:04:55 dbnode kernel: BUG: soft lockup - CPU#4 stuck for 61s!
[mysqld:19492]
Jun 11 19:04:55 dbnode kernel: Modules linked in: btrfs zlib_deflate crc32c
libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs exportfs
reiserfs xt_comment xt_tcpudp iptable_filter ip_tables x_tables 8021q garp stp
ipmi_devintf ipmi_si ipmi_msghandler fbcon tileblit font bitblit lp psmouse
softcursor ioatdma vga16fb parport serio_raw vgastate joydev usbhid hid igb
megaraid_sas dca
Jun 11 19:04:55 dbnode kernel: CPU 4:
Jun 11 19:04:55 dbnode kernel: Modules linked in: btrfs zlib_deflate crc32c
libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs exportfs
reiserfs xt_comme
