3.0.0.-23.38-virtual kernel regression kills EC2 instances
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Critical
|
Unassigned | ||
Oneiric |
Fix Released
|
Critical
|
Stefan Bader |
Bug Description
Oneiric instance that upgrade to the latest kernel and new builds based on the 3.0.0-23.38-virtual kernel crash on boot and do not come up. Console log shows that the instance hangs after boot.
See:
https:/
Example console log:
[ 0.636857] registered taskstats version 1
[ 0.637111] BUG: unable to handle kernel paging request at e4963dd8
[ 0.637120] IP: [<c0394a70>] atomic64_
[ 0.637133] *pdpt = 0000000024964027 *pde = 0000000001fd8067 *pte = 8000000024963061
[ 0.637144] Oops: 0003 [#1] SMP
[ 0.637150] Modules linked in:
[ 0.637156]
[ 0.637160] Pid: 38, comm: modprobe Not tainted 3.0.0-23-virtual #38-Ubuntu
[ 0.637169] EIP: 0061:[<c0394a70>] EFLAGS: 00010246 CPU: 0
[ 0.637175] EIP is at atomic64_
[ 0.637180] EAX: 00000000 EBX: 00000000 ECX: e4963dd8 EDX: e4963dd8
[ 0.637186] ESI: b7712000 EDI: e4963dd8 EBP: e497fd4c ESP: e497fd10
[ 0.637193] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: e021
[ 0.637198] Process modprobe (pid: 38, ti=e497e000 task=e4908cc0 task.ti=e497e000)
[ 0.637206] Stack:
[ 0.637209] c02080a7 e497fd28 c0106fae 00000001 b7711fff e497fd90 e4965160 e4960010
[ 0.637222] b7711fff c01f2750 b7712000 b7710000 00000000 e4965160 b7712000 e497fd74
[ 0.637234] c0208679 b7712000 00000000 e48ff400 b7710000 e497fd90 e48ff400 e4965108
[ 0.637247] Call Trace:
[ 0.637255] [<c02080a7>] ? unmap_page_
[ 0.637263] [<c0106fae>] ? __raw_callee_
[ 0.637273] [<c01f2750>] ? pagevec_
[ 0.637279] [<c0208679>] unmap_vmas+
[ 0.637285] [<c020c37e>] unmap_region+
[ 0.637292] [<c020c13d>] ? detach_
[ 0.637299] [<c020d1fe>] do_munmap+
[ 0.640002] [<c0275f73>] ? do_mmap+0x63/0x70
[ 0.640002] [<c0650725>] elf_map+0xa7/0xe6
[ 0.640002] [<c0650947>] load_elf_
[ 0.640002] [<c0276670>] load_elf_
[ 0.640002] [<c03965e2>] ? _copy_from_
[ 0.640002] [<c023a8fd>] search_
[ 0.640002] [<c0275f80>] ? do_mmap+0x70/0x70
[ 0.640002] [<c023b98f>] do_execve_
[ 0.640002] [<c023ba27>] do_execve+0x17/0x20
[ 0.640002] [<c01119c7>] sys_execve+
[ 0.640002] [<c06664ee>] ptregs_
[ 0.640002] [<c065f594>] ? syscall_
[ 0.640002] [<c01b00d8>] ? kallsyms_
[ 0.640002] [<c010d580>] ? kernel_
[ 0.640002] [<c0168125>] ? ____call_
[ 0.640002] [<c0168050>] ? __call_
[ 0.640002] [<c06669be>] ? kernel_
[ 0.640002] Code: 53 ff 0f 45 c2 eb ee 8d 74 26 00 55 89 e5 83 ec 04 8d 45 14 8b 4d 10 89 04 24 8b 55 0c 8b 45 08 e8 b6 ff ff ff c9 c3 89 d8 89 ca <3e> 0f c7 09 c3 8d 76 00 0f c7 0e 75 fb c3 66 90 89 d8 89 ca 3e
[ 0.640002] EIP: [<c0394a70>] atomic64_
[ 0.640002] CR2: 00000000e4963dd8
[ 0.640002] ---[ end trace edcb400dc294c6aa ]---
[ 0.792952] blkfront: xvda1: barrier or flush: disabled
[ 0.794662] Setting capacity to 16777216
[ 0.794675] xvda1: detected capacity change from 0 to 8589934592
affects: | linux-meta (Ubuntu) → linux (Ubuntu) |
tags: | added: ec2-images regression-release |
Changed in linux (Ubuntu Oneiric): | |
assignee: | nobody → Stefan Bader (stefan-bader-canonical) |
tags: | added: kernel-da-key |
Changed in linux (Ubuntu Oneiric): | |
status: | Confirmed → Fix Committed |
clean up tagging and servies targetting to reflect scope is oneiric.