I got this also on the latest Ubuntu 14.04 : it's looping over this indefinetly :
[ 0.193973] [ 0.194023] Oops: Exception in kernel mode, sig: 4 [#3] [ 0.194128] SMP NR_CPUS=2048 NUMA PowerNV [ 0.194225] Modules linked in: [ 0.194316] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D 3.13.0-48-generic #80-Ubuntu [ 0.194403] task: c0000007f26957c0 ti: c0000007f2728000 task.ti: c0000007f2728000 [ 0.194477] NIP: c000000001598930 LR: c00000000001897c CTR: c00000000002abfc [ 0.194551] REGS: c0000007f272b800 TRAP: 0e40 Tainted: G D (3.13.0-48-generic) [ 0.194651] MSR: 9000000000081001 <SF,HV,ME,LE> CR: 22004088 XER: 00000000 [ 0.194788] CFAR: c00000000002ace4 SOFTE: 0 GPR00: 0000000000000000 c0000007f272ba80 c000000001650610 0000000022004088 GPR04: 0000000000000001 9000000000001001 9000000000001031 c000000001598930 GPR08: 0000000000000000 9000000000001033 c00000000002abfc 00000000ffff8ae2 GPR12: 0000000022004028 c00000000fe40a80 c0000007f272bf90 0000000000000000 GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR20: c0000000009a18d0 0000000000000001 c00000000150e367 c00000000150f708 GPR24: c0000007f2728080 c0000000016e4a80 c0000000016e4f0c 0000000000000008 GPR28: c0000007f2728000 0000000000000003 9000000000009033 c000000001708190 [ 0.195869] NIP [c000000001598930] power7_enter_nap_mode+0x0/0x18 [ 0.196001] LR [c00000000001897c] .arch_cpu_idle+0x6c/0x160 [ 0.196092] Call Trace: [ 0.196143] [c0000007f272bd70] [c00000000001897c] .arch_cpu_idle+0x6c/0x160 [ 0.196285] [c0000007f272bdf0] [c000000000105c94] .cpu_startup_entry+0x1d4/0x300 [ 0.196462] [c0000007f272bec0] [c000000000040084] .start_secondary+0x344/0x380 [ 0.196626] [c0000007f272bf90] [c000000000009a6c] .start_secondary_prolog+0x10/0x14 [ 0.196787] Instruction dump: [ 0.196859] XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX [ 0.197109] XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX See attached the log for more ** Attachment added: "power7_enter_nap_mode.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1425699/+attachment/4364326/+files/power7_enter_nap_mode.txt -- 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/1425699 Title: kernel panic on IBM Power8 PPC MAAS ephemeral image Status in linux package in Ubuntu: Confirmed Status in linux source package in Trusty: Confirmed Bug description: The kernel running on the 14.04 ephemeral image for MAAS when commissioning an IBM Power8 PPC server causes a periodic kernel panic. This happens intermittently and cannot be forcefully reproduced. The kernel version on the image is 3.13.0-27.50-generic according to the boot process. Attached is the boot process log with the kernel panics. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1425699/+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
