Public bug reported:
- Null pointer deref in kernel (kp below)
- System is a Supermicro X8DTU-F (Intel 5520 chipset), 2x Xeon X5660, 24GB RAM
- Mostly java load (tomcat6 running jenkins, Adobe Flex builds) with assorted
other build/test
# java -version
java version "1.6.0_20"
OpenJDK Runtime Environment (IcedTea6 1.9.10) (6b20-1.9.10-0ubuntu1~10.04.2)
OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode)
[60365.796834] BUG: unable to handle kernel NULL pointer dereference at
0000000000000011
[60365.805191] IP: [<ffffffff812bb963>] rb_next+0x23/0x60
[60365.810623] PGD 5417da067 PUD 0
[60365.814152] Oops: 0000 [#1] SMP
[60365.817691] last sysfs file:
/sys/devices/system/cpu/cpu23/cache/index2/shared_cpu_map
[60365.825933] CPU 21
[60365.828208] Modules linked in: isofs ipmi_devintf w83627ehf hwmon_vid
nls_cp437 cifs fbcon tileblit font bitblit softcursor psmouse vga16fb serio_raw
vgastate joydev ipmi_si ioatdma ipmi_msghandler i2c_i801 lp parport raid10
raid456 async_pq async_xor xor async_memcpy async_raid6_recov usbhid hid
raid6_pq async_tx raid1 raid0 ahci igb multipath dca linear
[60365.864376] Pid: 18287, comm: java Not tainted 2.6.32-34-server #77-Ubuntu
X8DTU
[60365.890163] RIP: 0010:[<ffffffff812bb963>] [<ffffffff812bb963>]
rb_next+0x23/0x60
[60365.916543] RSP: 0018:ffff8802f7625e28 EFLAGS: 00010002
[60365.931543] RAX: 0000000000000001 RBX: ffff8802f52b1748 RCX: 0000000000000000
[60365.948640] RDX: 0000000000000001 RSI: ffff8802f52b1738 RDI: ffff8802f52b1748
[60365.965906] RBP: ffff8802f7625e28 R08: 0000000000000000 R09: 0000000000000001
[60365.983454] R10: 0000000041030bb8 R11: 0000000000000000 R12: ffff88034ad35f68
[60366.001116] R13: ffff8802f52b1738 R14: 0000000000000000 R15: ffff88034ad35f00
[60366.018778] FS: 0000000041031950(0063) GS:ffff88034ad20000(0000)
knlGS:0000000000000000
[60366.047990] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[60366.064626] CR2: 0000000000000011 CR3: 00000006292de000 CR4: 00000000000006e0
[60366.082786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[60366.101116] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[60366.119164] Process java (pid: 18287, threadinfo ffff8802f7624000, task
ffff8802f52b1700)
[60366.148743] Stack:
[60366.161215] ffff8802f7625e48 ffffffff81053c68 ffff8802f52b1738
ffff88034ad35f68
[60366.179428] <0> ffff8802f7625e68 ffffffff81062fa0 ffff88034ad35f68
ffff8802f52b1738
[60366.209277] <0> ffff8802f7625ea8 ffffffff81064698 00000000427b8938
ffff88034ad35f00
[60366.250849] Call Trace:
[60366.264258] [<ffffffff81053c68>] __dequeue_entity+0x48/0x50
[60366.280861] [<ffffffff81062fa0>] set_next_entity+0x90/0xa0
[60366.297193] [<ffffffff81064698>] pick_next_task_fair+0xd8/0x140
[60366.313728] [<ffffffff81558a77>] schedule+0x227/0x451
[60366.329160] [<ffffffff810649f9>] sys_sched_yield+0x59/0x70
[60366.344788] [<ffffffff81013172>] system_call_fastpath+0x16/0x1b
[60366.360720] Code: 0f 1f 84 00 00 00 00 00 55 48 8b 17 31 c0 48 89 e5 48 89
d1 48 83 e1 fc 48 39 cf 74 17 48 8b 47 08 48 85 c0 75 05 eb 1e 48 89 d0 <48> 8b
50 10 48 85 d2 75 f4 c9 0f 1f 00 c3 0f 1f 80 00 00 00 00
[60366.416116] RIP [<ffffffff812bb963>] rb_next+0x23/0x60
[60366.432160] RSP <ffff8802f7625e28>
[60366.446232] CR2: 0000000000000011
[60366.467088] ---[ end trace c47802c9d82ed765 ]---
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-34-server 2.6.32-34.77
Regression: No
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.32-34.77-server 2.6.32.44+drm33.19
Uname: Linux 2.6.32-34-server x86_64
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2:
ls: cannot access /dev/snd/: No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
CurrentDmesg:
[ 73.574313] eth0: no IPv6 routers present
[ 756.343265] kjournald starting. Commit interval 5 seconds
[ 756.346654] EXT3 FS on dm-228, internal journal
[ 756.346660] EXT3-fs: mounted filesystem with ordered data mode.
Date: Fri Dec 2 12:51:19 2011
Frequency: Once a day.
InstallationMedia: Ubuntu-Server 10.04 LTS "Lucid Lynx" - Release amd64
(20100427)
MachineType: Supermicro X8DTU
PciMultimedia:
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-34-server
root=/dev/mapper/vg1-root ro console=tty0 console=ttyS1,115200n8
ProcEnviron:
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: linux
dmi.bios.date: 01/05/11
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2.0c
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: X8DTU
dmi.board.vendor: Supermicro
dmi.board.version: 1234567890
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 17
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 1234567890
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2.0c:bd01/05/11:svnSupermicro:pnX8DTU:pvr1234567890:rvnSupermicro:rnX8DTU:rvr1234567890:cvnSupermicro:ct17:cvr1234567890:
dmi.product.name: X8DTU
dmi.product.version: 1234567890
dmi.sys.vendor: Supermicro
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid needs-upstream-testing
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https://bugs.launchpad.net/bugs/899403
Title:
Kernel Panic
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