Re: 2.6.35-rc2 : OOPS with LTP memcg regression test run.
I created a Bugzilla entry at https://bugzilla.kernel.org/show_bug.cgi?id=16178 for your bug report, please add your address to the CC list in there, thanks! On niedziela, 6 czerwca 2010 o 17:06:54 Sachin Sant wrote: While executing LTP Controller tests(memcg regression) on a POWER6 box came across this following OOPS. Memory cgroup out of memory: kill process 9139 (memcg_test_1) score 3 or a child Killed process 9139 (memcg_test_1) vsz:3456kB, anon-rss:448kB, file-rss:1088kB Memory cgroup out of memory: kill process 9140 (memcg_test_1) score 3 or a child Killed process 9140 (memcg_test_1) vsz:3456kB, anon-rss:448kB, file-rss:1088kB Unable to handle kernel paging request for data at address 0x720072007200720 Faulting instruction address: 0xc015b778 Oops: Kernel access of bad area, sig: 11 [#2] SMP NR_CPUS=1024 NUMA pSeries last sysfs file: /sys/devices/system/cpu/cpu1/cache/index1/shared_cpu_map Modules linked in: quota_v2 quota_tree ipv6 fuse loop dm_mod sr_mod cdrom sg sd_mod crc_t10dif ibmvscsic scsi_transport_srp scsi_tgt scsi_mod NIP: c015b778 LR: c015b740 CTR: REGS: c9812ff0 TRAP: 0300 Tainted: G D (2.6.35-rc2-autotest) MSR: 80009032 EE,ME,IR,DR CR: 44004424 XER: 0001 DAR: 0720072007200720, DSISR: 4000 TASK = c5fb1100[9155] 'umount' THREAD: c981 CPU: 0 GPR00: c9813270 c0d3d7a0 GPR04: 8050 0016 0027 cf2c6870 GPR08: 06a5 c0b16870 c0cf0140 0e7b GPR12: 24004428 c744 8000 f000 GPR16: c98138f0 002d 0027 GPR20: 0027 c7063138 GPR24: c019bafc ce02e000 GPR28: 0001 8050 c0ca6b00 0720072007200720 NIP [c015b778] .kmem_cache_alloc+0xb0/0x13c LR [c015b740] .kmem_cache_alloc+0x78/0x13c Call Trace: [c9813270] [c015b740] .kmem_cache_alloc+0x78/0x13c (unreliable) [c9813310] [c019bafc] .alloc_buffer_head+0x2c/0x78 [c9813390] [c019c99c] .alloc_page_buffers+0x60/0x114 [c9813450] [c019ca78] .create_empty_buffers+0x28/0x140 [c98134e0] [c019f2ec] .__block_prepare_write+0xe4/0x4f0 [c9813610] [c019f94c] .block_write_begin_newtrunc+0xa8/0x120 [c98136d0] [c019fea0] .block_write_begin+0x34/0x8c [c9813770] [c022b458] .ext3_write_begin+0x13c/0x298 [c9813880] [c0117500] .generic_file_buffered_write+0x13c/0x320 [c98139b0] [c0119c80] .__generic_file_aio_write+0x378/0x3dc [c9813ab0] [c0119d68] .generic_file_aio_write+0x84/0xfc [c9813b60] [c016e460] .do_sync_write+0xac/0x10c [c9813ce0] [c016f204] .vfs_write+0xd0/0x1dc [c9813d80] [c016f418] .SyS_write+0x58/0xa0 [c9813e30] [c00085b4] syscall_exit+0x0/0x40 Instruction dump: 3860 409e0090 3800 8b8d0212 980d0212 e96d0040 e93b 7ce95a14 7fe9582a 2fbf 419e0014 e81b001a 7c1f002a 7c09592a 481c 7f46d378 ---[ end trace f24cb0cb5729d2bb ]--- And few more of these. Previous snapshot release 2.6.35-rc1-git5(6c5de280b6...) was good. Thanks -Sachin -- Maciej Rutecki http://www.maciek.unixy.pl ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: 2.6.35-rc2 : OOPS with LTP memcg regression test run.
On Thu, 10 Jun 2010 22:00:57 +0200 Maciej Rutecki maciej.rute...@gmail.com wrote: I created a Bugzilla entry at https://bugzilla.kernel.org/show_bug.cgi?id=16178 for your bug report, please add your address to the CC list in there, thanks! Hmm... It seems a panic in SLUB or SLAB. Is .config available ? -Kame On niedziela, 6 czerwca 2010 o 17:06:54 Sachin Sant wrote: While executing LTP Controller tests(memcg regression) on a POWER6 box came across this following OOPS. Memory cgroup out of memory: kill process 9139 (memcg_test_1) score 3 or a child Killed process 9139 (memcg_test_1) vsz:3456kB, anon-rss:448kB, file-rss:1088kB Memory cgroup out of memory: kill process 9140 (memcg_test_1) score 3 or a child Killed process 9140 (memcg_test_1) vsz:3456kB, anon-rss:448kB, file-rss:1088kB Unable to handle kernel paging request for data at address 0x720072007200720 Faulting instruction address: 0xc015b778 Oops: Kernel access of bad area, sig: 11 [#2] SMP NR_CPUS=1024 NUMA pSeries last sysfs file: /sys/devices/system/cpu/cpu1/cache/index1/shared_cpu_map Modules linked in: quota_v2 quota_tree ipv6 fuse loop dm_mod sr_mod cdrom sg sd_mod crc_t10dif ibmvscsic scsi_transport_srp scsi_tgt scsi_mod NIP: c015b778 LR: c015b740 CTR: REGS: c9812ff0 TRAP: 0300 Tainted: G D (2.6.35-rc2-autotest) MSR: 80009032 EE,ME,IR,DR CR: 44004424 XER: 0001 DAR: 0720072007200720, DSISR: 4000 TASK = c5fb1100[9155] 'umount' THREAD: c981 CPU: 0 GPR00: c9813270 c0d3d7a0 GPR04: 8050 0016 0027 cf2c6870 GPR08: 06a5 c0b16870 c0cf0140 0e7b GPR12: 24004428 c744 8000 f000 GPR16: c98138f0 002d 0027 GPR20: 0027 c7063138 GPR24: c019bafc ce02e000 GPR28: 0001 8050 c0ca6b00 0720072007200720 NIP [c015b778] .kmem_cache_alloc+0xb0/0x13c LR [c015b740] .kmem_cache_alloc+0x78/0x13c Call Trace: [c9813270] [c015b740] .kmem_cache_alloc+0x78/0x13c (unreliable) [c9813310] [c019bafc] .alloc_buffer_head+0x2c/0x78 [c9813390] [c019c99c] .alloc_page_buffers+0x60/0x114 [c9813450] [c019ca78] .create_empty_buffers+0x28/0x140 [c98134e0] [c019f2ec] .__block_prepare_write+0xe4/0x4f0 [c9813610] [c019f94c] .block_write_begin_newtrunc+0xa8/0x120 [c98136d0] [c019fea0] .block_write_begin+0x34/0x8c [c9813770] [c022b458] .ext3_write_begin+0x13c/0x298 [c9813880] [c0117500] .generic_file_buffered_write+0x13c/0x320 [c98139b0] [c0119c80] .__generic_file_aio_write+0x378/0x3dc [c9813ab0] [c0119d68] .generic_file_aio_write+0x84/0xfc [c9813b60] [c016e460] .do_sync_write+0xac/0x10c [c9813ce0] [c016f204] .vfs_write+0xd0/0x1dc [c9813d80] [c016f418] .SyS_write+0x58/0xa0 [c9813e30] [c00085b4] syscall_exit+0x0/0x40 Instruction dump: 3860 409e0090 3800 8b8d0212 980d0212 e96d0040 e93b 7ce95a14 7fe9582a 2fbf 419e0014 e81b001a 7c1f002a 7c09592a 481c 7f46d378 ---[ end trace f24cb0cb5729d2bb ]--- And few more of these. Previous snapshot release 2.6.35-rc1-git5(6c5de280b6...) was good. Thanks -Sachin -- Maciej Rutecki http://www.maciek.unixy.pl -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majord...@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: a href=mailto:d...@kvack.org; em...@kvack.org /a ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: 2.6.35-rc2 : OOPS with LTP memcg regression test run.
KAMEZAWA Hiroyuki wrote: On Thu, 10 Jun 2010 22:00:57 +0200 Maciej Rutecki maciej.rute...@gmail.com wrote: I created a Bugzilla entry at https://bugzilla.kernel.org/show_bug.cgi?id=16178 for your bug report, please add your address to the CC list in there, thanks! Hmm... It seems a panic in SLUB or SLAB. Is .config available ? I think the root cause for this problem was same as the one mentioned in this thread (Bug kmalloc-4096 : Poison overwritten) http://marc.info/?l=linux-kernelm=127586004308747w=2 http://marc.info/?l=linux-kernelm=127586004308747w=2 I verified that the problem goes away after applying the commit 386f40c. Thanks -Sachin -- - Sachin Sant IBM Linux Technology Center India Systems and Technology Labs Bangalore, India - ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
2.6.35-rc2 : OOPS with LTP memcg regression test run.
While executing LTP Controller tests(memcg regression) on a POWER6 box came across this following OOPS. Memory cgroup out of memory: kill process 9139 (memcg_test_1) score 3 or a child Killed process 9139 (memcg_test_1) vsz:3456kB, anon-rss:448kB, file-rss:1088kB Memory cgroup out of memory: kill process 9140 (memcg_test_1) score 3 or a child Killed process 9140 (memcg_test_1) vsz:3456kB, anon-rss:448kB, file-rss:1088kB Unable to handle kernel paging request for data at address 0x720072007200720 Faulting instruction address: 0xc015b778 Oops: Kernel access of bad area, sig: 11 [#2] SMP NR_CPUS=1024 NUMA pSeries last sysfs file: /sys/devices/system/cpu/cpu1/cache/index1/shared_cpu_map Modules linked in: quota_v2 quota_tree ipv6 fuse loop dm_mod sr_mod cdrom sg sd_mod crc_t10dif ibmvscsic scsi_transport_srp scsi_tgt scsi_mod NIP: c015b778 LR: c015b740 CTR: REGS: c9812ff0 TRAP: 0300 Tainted: G D (2.6.35-rc2-autotest) MSR: 80009032 EE,ME,IR,DR CR: 44004424 XER: 0001 DAR: 0720072007200720, DSISR: 4000 TASK = c5fb1100[9155] 'umount' THREAD: c981 CPU: 0 GPR00: c9813270 c0d3d7a0 GPR04: 8050 0016 0027 cf2c6870 GPR08: 06a5 c0b16870 c0cf0140 0e7b GPR12: 24004428 c744 8000 f000 GPR16: c98138f0 002d 0027 GPR20: 0027 c7063138 GPR24: c019bafc ce02e000 GPR28: 0001 8050 c0ca6b00 0720072007200720 NIP [c015b778] .kmem_cache_alloc+0xb0/0x13c LR [c015b740] .kmem_cache_alloc+0x78/0x13c Call Trace: [c9813270] [c015b740] .kmem_cache_alloc+0x78/0x13c (unreliable) [c9813310] [c019bafc] .alloc_buffer_head+0x2c/0x78 [c9813390] [c019c99c] .alloc_page_buffers+0x60/0x114 [c9813450] [c019ca78] .create_empty_buffers+0x28/0x140 [c98134e0] [c019f2ec] .__block_prepare_write+0xe4/0x4f0 [c9813610] [c019f94c] .block_write_begin_newtrunc+0xa8/0x120 [c98136d0] [c019fea0] .block_write_begin+0x34/0x8c [c9813770] [c022b458] .ext3_write_begin+0x13c/0x298 [c9813880] [c0117500] .generic_file_buffered_write+0x13c/0x320 [c98139b0] [c0119c80] .__generic_file_aio_write+0x378/0x3dc [c9813ab0] [c0119d68] .generic_file_aio_write+0x84/0xfc [c9813b60] [c016e460] .do_sync_write+0xac/0x10c [c9813ce0] [c016f204] .vfs_write+0xd0/0x1dc [c9813d80] [c016f418] .SyS_write+0x58/0xa0 [c9813e30] [c00085b4] syscall_exit+0x0/0x40 Instruction dump: 3860 409e0090 3800 8b8d0212 980d0212 e96d0040 e93b 7ce95a14 7fe9582a 2fbf 419e0014 e81b001a 7c1f002a 7c09592a 481c 7f46d378 ---[ end trace f24cb0cb5729d2bb ]--- And few more of these. Previous snapshot release 2.6.35-rc1-git5(6c5de280b6...) was good. Thanks -Sachin -- - Sachin Sant IBM Linux Technology Center India Systems and Technology Labs Bangalore, India - ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: 2.6.35-rc2 : OOPS with LTP memcg regression test run.
On Sun, Jun 06, 2010 at 08:36:54PM +0530, Sachin Sant wrote: And few more of these. Previous snapshot release 2.6.35-rc1-git5(6c5de280b6...) was good. That's very odd, since ; git diff --stat 6c5de280b6..v2.6.35-rc2 Makefile |2 +- drivers/gpu/drm/i915/intel_display.c |9 +++ fs/ext4/inode.c | 40 +++-- fs/ext4/move_extent.c|3 ++ 4 files changed, 36 insertions(+), 18 deletions(-) ; and nothing of that looks like good candidates... ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: 2.6.35-rc2 : OOPS with LTP memcg regression test run.
And few more of these. Previous snapshot release 2.6.35-rc1-git5(6c5de280b6...) was good. That's very odd, since ; git diff --stat 6c5de280b6..v2.6.35-rc2 Makefile |2 +- drivers/gpu/drm/i915/intel_display.c |9 +++ fs/ext4/inode.c | 40 +++-- fs/ext4/move_extent.c|3 ++ 4 files changed, 36 insertions(+), 18 deletions(-) and nothing of that looks like good candidates... I may have the same problem on my machine. (See also the thread: ext4 2.6.35-rc2 regression (ext4: Make sure the MOVE_EXT ioctl...)) general protection fault: [#1] SMP last sysfs file: /sys/devices/pci:00/:00:11.0/host2/target2:0:0/2:0:0:0/block/sdb/size CPU 2 Pid: 1683, comm: iptables-restor Not tainted 2.6.35-rc2-00033-gcc1f375 #46 M4A78T-E/System Product Name RIP: 0010:[810cc6e6] [810cc6e6] kmem_cache_alloc+0x59/0xda RSP: 0018:88011c993d78 EFLAGS: 00010002 RAX: RBX: 0720072007200720 RCX: 810bd4c9 RDX: 7f076cee3000 RSI: 00d0 RDI: 88011fc01800 RBP: 88011c993db8 R08: 880001b13f48 R09: R10: 88011d387c00 R11: 88011c983930 R12: 88011fc01800 R13: 0202 R14: 00d0 R15: 00d0 FS: 7f076dc43700() GS:880001b0() knlGS: CS: 0010 DS: ES: CR0: 8005003b CR2: 7f8595d364f8 CR3: 00011b8b CR4: 06e0 DR0: DR1: DR2: DR3: DR6: 0ff0 DR7: 0400 Process iptables-restor (pid: 1683, threadinfo 88011c992000, task 88011ec09610) Stack: 88011d387c10 88011c983930 88011c993d98 fffa 0 88011d387bd0 7f076cee3000 88011f77ea40 0 88011c993e08 810bd4c9 88011b8f5cc0 810bd639 Call Trace: [810bd4c9] __split_vma+0x33/0x18d [810bd639] ? vma_merge+0x16/0x1fc [810bdc01] split_vma+0x23/0x28 [810bf572] mprotect_fixup+0x146/0x54c [810befff] ? do_mmap_pgoff+0x2a4/0x2fe [810bfaf0] sys_mprotect+0x178/0x1f4 [8102b93b] system_call_fastpath+0x16/0x1b Code: 65 4c 8b 04 25 88 d4 00 00 48 8b 07 49 01 c0 49 8b 18 48 85 db 75 10 83 ca ff 44 89 f6 e8 58 fa ff ff 48 89 c3 eb 0b 48 63 47 18 48 8b 04 03 49 89 00 41 55 9d 48 85 db 74 15 41 81 e6 00 80 00 RIP [810cc6e6] kmem_cache_alloc+0x59/0xda RSP 88011c993d78 ---[ end trace e2fb1ccd3cb9dd77 ]--- -- Markus ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev