Mark Shirley, thank you for testing the mainline kernel. Once a mainline kernel has been identified to not have the bug, the next step would be to reverse bisect mainline kernel versions until the earliest fix kernel has been identified, and subsequently the fix commit.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1261596 Title: [Intel S2600GZ] System crash at thread_group_cputime_adjusted Status in “linux” package in Ubuntu: Incomplete Bug description: We have been experiencing intermittent system crashes on an Ubuntu 13.10 server. Loading the crash dump gives the following information: KERNEL: /usr/lib/debug/boot/vmlinux-3.11.0-14-generic DUMPFILE: dump.201312170006 [PARTIAL DUMP] CPUS: 24 DATE: Tue Dec 17 00:05:33 2013 UPTIME: 00:00:16 LOAD AVERAGE: 0.14, 0.03, 0.01 TASKS: 768 NODENAME: zagros RELEASE: 3.11.0-14-generic VERSION: #21-Ubuntu SMP Tue Nov 12 17:04:55 UTC 2013 MACHINE: x86_64 (2294 Mhz) MEMORY: 63.9 GB PANIC: "" PID: 2245 COMMAND: "monit" TASK: ffff880fdf678000 [THREAD_INFO: ffff880fe02f6000] CPU: 20 STATE: TASK_RUNNING (PANIC) The bt for the crash is: crash> bt PID: 2245 TASK: ffff880fdf678000 CPU: 20 COMMAND: "monit" #0 [ffff880fe02f79a8] machine_kexec at ffffffff81048322 #1 [ffff880fe02f79f8] crash_kexec at ffffffff810d03f3 #2 [ffff880fe02f7ac0] oops_end at ffffffff816edf58 #3 [ffff880fe02f7ae8] die at ffffffff8101616b #4 [ffff880fe02f7b18] do_trap at ffffffff816ed770 #5 [ffff880fe02f7b68] do_divide_error at ffffffff81013262 #6 [ffff880fe02f7c10] divide_error at ffffffff816f6e8e [exception RIP: cputime_adjust+240] RIP: ffffffff81097790 RSP: ffff880fe02f7cc8 RFLAGS: 00010887 RAX: b713d5ba06800000 RBX: 000000000977ccee RCX: ffff880fe02f7df8 RDX: 0000000000000000 RSI: ffff880fdf34ac50 RDI: 0000000000000000 RBP: ffff880fe02f7cd8 R8: 00000000fff5fb80 R9: 000000000045405f R10: fff5fb800d780978 R11: 0000000000000000 R12: ffff880fe02f7df0 R13: ffff880fe02f7df8 R14: 0000000000000001 R15: ffff880fdf34aa80 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #7 [ffff880fe02f7ce0] thread_group_cputime_adjusted at ffffffff8109839e #8 [ffff880fe02f7d20] do_task_stat at ffffffff8120f92b #9 [ffff880fe02f7e58] proc_tgid_stat at ffffffff812104c4 #10 [ffff880fe02f7e68] proc_single_show at ffffffff8120b40d #11 [ffff880fe02f7ea0] seq_read at ffffffff811c965e #12 [ffff880fe02f7f08] vfs_read at ffffffff811a6bee #13 [ffff880fe02f7f40] sys_read at ffffffff811a7719 #14 [ffff880fe02f7f80] system_call_fastpath at ffffffff816f571d RIP: 00007f700b671c80 RSP: 00007fff7f7b83c8 RFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffffff816f571d RCX: ffffffffffffffff RDX: 00000000000003ff RSI: 00007fff7f7b86f0 RDI: 0000000000000005 RBP: 00007fff7f7b86f0 R8: 00007f700ade7fe0 R9: 00007f700aa76134 R10: 0000000000000004 R11: 0000000000000246 R12: 00000000000003ff R13: 0000000000000000 R14: 00007fff7f7b83e0 R15: 0000000000000005 ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-14-generic 3.11.0-14.21 ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7 Uname: Linux 3.11.0-14-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Dec 17 01:23 seq crw-rw---- 1 root audio 116, 33 Dec 17 01:23 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: Error: [Errno 2] No such file or directory: 'iw' Date: Tue Dec 17 01:25:47 2013 HibernationDevice: RESUME=/dev/mapper/zagros--vg-swap_1 InstallationDate: Installed on 2013-11-14 (32 days ago) InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Release amd64 (20131016) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' MachineType: Intel Corporation S2600GZ MarkForUpload: True PciMultimedia: ProcEnviron: LANGUAGE=en_US: TERM=screen PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/zsh ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-14-generic root=/dev/mapper/hostname--vg-root ro --no-log crashkernel=384M-2G:64M,2G-:768M quiet RelatedPackageVersions: linux-restricted-modules-3.11.0-14-generic N/A linux-backports-modules-3.11.0-14-generic N/A linux-firmware 1.116 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) WifiSyslog: dmi.bios.date: 08/22/2013 dmi.bios.vendor: Intel Corp. dmi.bios.version: SE5C600.86B.02.01.0002.082220131453 dmi.board.asset.tag: .................... dmi.board.name: S2600GZ dmi.board.vendor: Intel Corporation dmi.board.version: G29051-353 dmi.chassis.asset.tag: .................... dmi.chassis.type: 23 dmi.chassis.vendor: ............................... dmi.chassis.version: .................. dmi.modalias: dmi:bvnIntelCorp.:bvrSE5C600.86B.02.01.0002.082220131453:bd08/22/2013:svnIntelCorporation:pnS2600GZ:pvr....................:rvnIntelCorporation:rnS2600GZ:rvrG29051-353:cvn...............................:ct23:cvr..................: dmi.product.name: S2600GZ dmi.product.version: .................... dmi.sys.vendor: Intel Corporation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1261596/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
