Activity log for bug #491943

Date Who What changed Old value New value Message
2009-12-03 15:28:32 Michael Frey bug added bug
2009-12-03 15:29:45 Michael Frey description When ureadahead tries to profile on a system with 512MB of memory. The kernel gets an OOM error. Below is the kernel stack dump. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 [ 2.912175] Freeing unused kernel memory: 336k freed [ 2.912713] Write protecting the kernel text: 4536k [ 2.913052] Write protecting the kernel read-only data: 2004k [ 4.335798] ureadahead invoked oom-killer: gfp_mask=0xd0, order=0, oomkilladj=0 [ 4.335820] Pid: 64, comm: ureadahead Not tainted 2.6.31-15-generic #50fastboot9-Ubuntu [ 4.335832] Call Trace: [ 4.335859] [<c1077c61>] T.393+0x61/0x1be [ 4.335879] [<c1077ded>] __out_of_memory+0x2f/0x113 [ 4.335896] [<c1077f2f>] out_of_memory+0x5e/0x86 [ 4.335914] [<c107a20f>] __alloc_pages_nodemask+0x36a/0x42f [ 4.335933] [<c107a309>] __get_free_pages+0xf/0x21 [ 4.335951] [<c106227b>] ring_buffer_resize+0x139/0x238 [ 4.335970] [<c1062c03>] tracing_resize_ring_buffer+0x2f/0x70 [ 4.335987] [<c1065ba2>] tracing_entries_write+0xb2/0x136 [ 4.336005] [<c10651d3>] ? trace_nowake_buffer_unlock_commit+0x3f/0x46 [ 4.336051] [<c10982a6>] ? ftrace_raw_event_do_sys_open+0x85/0x8d [ 4.336069] [<c109a599>] vfs_write+0x8a/0x112 [ 4.336086] [<c1065af0>] ? tracing_entries_write+0x0/0x136 [ 4.336103] [<c109a6b8>] sys_write+0x3b/0x60 [ 4.336121] [<c1002af4>] sysenter_do_call+0x12/0x26 [ 4.336132] Mem-Info: [ 4.336140] DMA per-cpu: [ 4.336150] CPU 0: hi: 0, btch: 1 usd: 0 [ 4.336161] CPU 1: hi: 0, btch: 1 usd: 0 [ 4.336170] Normal per-cpu: [ 4.336181] CPU 0: hi: 186, btch: 31 usd: 156 [ 4.336192] CPU 1: hi: 186, btch: 31 usd: 161 [ 4.336212] Active_anon:326 active_file:13 inactive_anon:352 [ 4.336218] inactive_file:4 unevictable:0 dirty:6 writeback:0 unstable:0 [ 4.336224] free:1176 slab:3013 mapped:0 pagetables:3 bounce:0 [ 4.336245] DMA free:2000kB min:88kB low:108kB high:132kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB present:15836kB pages_scanned:0 all_unreclaimable? yes [ 4.336270] lowmem_reserve[]: 0 482 482 482 [ 4.336312] Normal free:2704kB min:2760kB low:3448kB high:4140kB active_anon:1304kB inactive_anon:1408kB active_file:52kB inactive_file:16kB unevictable:0kB present:493624kB pages_scanned:0 all_unreclaimable? no [ 4.336338] lowmem_reserve[]: 0 0 0 0 [ 4.336362] DMA: 0*4kB 0*8kB 1*16kB 0*32kB 1*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 2000kB [ 4.336414] Normal: 0*4kB 0*8kB 1*16kB 0*32kB 0*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 2704kB [ 4.336464] 644 total pagecache pages [ 4.336473] 0 pages in swap cache [ 4.336482] Swap cache stats: add 0, delete 0, find 0/0 [ 4.336491] Free swap = 0kB [ 4.336499] Total swap = 0kB [ 4.344121] 128720 pages RAM [ 4.344132] 0 pages HighMem [ 4.344140] 3428 pages reserved [ 4.344148] 630 pages shared [ 4.344155] 122976 pages non-shared [ 4.344169] Out of memory: kill process 64 (ureadahead) score 33 or a child [ 4.344199] Killed process 64 (ureadahead) [ 4.344353] ureadahead: page allocation failure. order:0, mode:0xd0 [ 4.344372] Pid: 64, comm: ureadahead Not tainted 2.6.31-15-generic #50fastboot9-Ubuntu [ 4.344382] Call Trace: [ 4.344407] [<c146ac77>] ? printk+0xf/0x11 [ 4.344429] [<c107a292>] __alloc_pages_nodemask+0x3ed/0x42f [ 4.344449] [<c107a309>] __get_free_pages+0xf/0x21 [ 4.344468] [<c106227b>] ring_buffer_resize+0x139/0x238 [ 4.344486] [<c1062c03>] tracing_resize_ring_buffer+0x2f/0x70 [ 4.344503] [<c1065ba2>] tracing_entries_write+0xb2/0x136 [ 4.344521] [<c10651d3>] ? trace_nowake_buffer_unlock_commit+0x3f/0x46 [ 4.344541] [<c10982a6>] ? ftrace_raw_event_do_sys_open+0x85/0x8d [ 4.344559] [<c109a599>] vfs_write+0x8a/0x112 [ 4.344575] [<c1065af0>] ? tracing_entries_write+0x0/0x136 [ 4.344592] [<c109a6b8>] sys_write+0x3b/0x60 [ 4.344610] [<c1002af4>] sysenter_do_call+0x12/0x26 [ 4.344621] Mem-Info: [ 4.344629] DMA per-cpu: [ 4.344638] CPU 0: hi: 0, btch: 1 usd: 0 [ 4.344649] CPU 1: hi: 0, btch: 1 usd: 0 [ 4.344658] Normal per-cpu: [ 4.344669] CPU 0: hi: 186, btch: 31 usd: 156 [ 4.344689] CPU 1: hi: 186, btch: 31 usd: 161 [ 4.344700] Active_anon:326 active_file:13 inactive_anon:352 [ 4.344703] inactive_file:4 unevictable:0 dirty:6 writeback:0 unstable:0 [ 4.344706] free:1176 slab:3013 mapped:0 pagetables:3 bounce:0 [ 4.344717] DMA free:2000kB min:88kB low:108kB high:132kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB present:15836kB pages_scanned:0 all_unreclaimable? yes [ 4.344725] lowmem_reserve[]: 0 482 482 482 [ 4.344740] Normal free:2704kB min:2760kB low:3448kB high:4140kB active_anon:1304kB inactive_anon:1408kB active_file:52kB inactive_file:16kB unevictable:0kB present:493624kB pages_scanned:0 all_unreclaimable? no [ 4.344748] lowmem_reserve[]: 0 0 0 0 [ 4.344758] DMA: 0*4kB 0*8kB 1*16kB 0*32kB 1*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 2000kB [ 4.344783] Normal: 0*4kB 0*8kB 1*16kB 0*32kB 0*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 2704kB [ 4.344808] 644 total pagecache pages [ 4.344813] 0 pages in swap cache [ 4.344818] Swap cache stats: add 0, delete 0, find 0/0 [ 4.344822] Free swap = 0kB [ 4.344826] Total swap = 0kB [ 4.348583] 128720 pages RAM [ 4.348588] 0 pages HighMem [ 4.348592] 3428 pages reserved [ 4.348596] 630 pages shared [ 4.348600] 122976 pages non-shared [ 4.982732] wl: module license 'MIXED/Proprietary' taints kernel. [ 4.982744] Disabling lock debugging due to kernel taint [ 4.990532] wl 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [ 4.990555] wl 0000:03:00.0: setting latency timer to 64 [ 5.427550] ACPI: Battery Slot [BAT1] (battery present) [ 5.617895] compal-laptop: Identified laptop model 'Dell Mini 10v'. [ 5.618487] compal-laptop: driver 0.2.6 successfully loaded. [ 5.629208] lib80211_crypt: registered algorithm 'TKIP' When ureadahead tries to profile on a system with 512MB of memory. The kernel gets an OOM error. Below is the kernel stack dump. [ 2.912175] Freeing unused kernel memory: 336k freed [ 2.912713] Write protecting the kernel text: 4536k [ 2.913052] Write protecting the kernel read-only data: 2004k [ 4.335798] ureadahead invoked oom-killer: gfp_mask=0xd0, order=0, oomkilladj=0 [ 4.335820] Pid: 64, comm: ureadahead Not tainted 2.6.31-15-generic #50fastboot9-Ubuntu [ 4.335832] Call Trace: [ 4.335859] [<c1077c61>] T.393+0x61/0x1be [ 4.335879] [<c1077ded>] __out_of_memory+0x2f/0x113 [ 4.335896] [<c1077f2f>] out_of_memory+0x5e/0x86 [ 4.335914] [<c107a20f>] __alloc_pages_nodemask+0x36a/0x42f [ 4.335933] [<c107a309>] __get_free_pages+0xf/0x21 [ 4.335951] [<c106227b>] ring_buffer_resize+0x139/0x238 [ 4.335970] [<c1062c03>] tracing_resize_ring_buffer+0x2f/0x70 [ 4.335987] [<c1065ba2>] tracing_entries_write+0xb2/0x136 [ 4.336005] [<c10651d3>] ? trace_nowake_buffer_unlock_commit+0x3f/0x46 [ 4.336051] [<c10982a6>] ? ftrace_raw_event_do_sys_open+0x85/0x8d [ 4.336069] [<c109a599>] vfs_write+0x8a/0x112 [ 4.336086] [<c1065af0>] ? tracing_entries_write+0x0/0x136 [ 4.336103] [<c109a6b8>] sys_write+0x3b/0x60 [ 4.336121] [<c1002af4>] sysenter_do_call+0x12/0x26 [ 4.336132] Mem-Info: [ 4.336140] DMA per-cpu: [ 4.336150] CPU 0: hi: 0, btch: 1 usd: 0 [ 4.336161] CPU 1: hi: 0, btch: 1 usd: 0 [ 4.336170] Normal per-cpu: [ 4.336181] CPU 0: hi: 186, btch: 31 usd: 156 [ 4.336192] CPU 1: hi: 186, btch: 31 usd: 161 [ 4.336212] Active_anon:326 active_file:13 inactive_anon:352 [ 4.336218] inactive_file:4 unevictable:0 dirty:6 writeback:0 unstable:0 [ 4.336224] free:1176 slab:3013 mapped:0 pagetables:3 bounce:0 [ 4.336245] DMA free:2000kB min:88kB low:108kB high:132kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB present:15836kB pages_scanned:0 all_unreclaimable? yes [ 4.336270] lowmem_reserve[]: 0 482 482 482 [ 4.336312] Normal free:2704kB min:2760kB low:3448kB high:4140kB active_anon:1304kB inactive_anon:1408kB active_file:52kB inactive_file:16kB unevictable:0kB present:493624kB pages_scanned:0 all_unreclaimable? no [ 4.336338] lowmem_reserve[]: 0 0 0 0 [ 4.336362] DMA: 0*4kB 0*8kB 1*16kB 0*32kB 1*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 2000kB [ 4.336414] Normal: 0*4kB 0*8kB 1*16kB 0*32kB 0*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 2704kB [ 4.336464] 644 total pagecache pages [ 4.336473] 0 pages in swap cache [ 4.336482] Swap cache stats: add 0, delete 0, find 0/0 [ 4.336491] Free swap = 0kB [ 4.336499] Total swap = 0kB [ 4.344121] 128720 pages RAM [ 4.344132] 0 pages HighMem [ 4.344140] 3428 pages reserved [ 4.344148] 630 pages shared [ 4.344155] 122976 pages non-shared [ 4.344169] Out of memory: kill process 64 (ureadahead) score 33 or a child [ 4.344199] Killed process 64 (ureadahead) [ 4.344353] ureadahead: page allocation failure. order:0, mode:0xd0 [ 4.344372] Pid: 64, comm: ureadahead Not tainted 2.6.31-15-generic #50fastboot9-Ubuntu [ 4.344382] Call Trace: [ 4.344407] [<c146ac77>] ? printk+0xf/0x11 [ 4.344429] [<c107a292>] __alloc_pages_nodemask+0x3ed/0x42f [ 4.344449] [<c107a309>] __get_free_pages+0xf/0x21 [ 4.344468] [<c106227b>] ring_buffer_resize+0x139/0x238 [ 4.344486] [<c1062c03>] tracing_resize_ring_buffer+0x2f/0x70 [ 4.344503] [<c1065ba2>] tracing_entries_write+0xb2/0x136 [ 4.344521] [<c10651d3>] ? trace_nowake_buffer_unlock_commit+0x3f/0x46 [ 4.344541] [<c10982a6>] ? ftrace_raw_event_do_sys_open+0x85/0x8d [ 4.344559] [<c109a599>] vfs_write+0x8a/0x112 [ 4.344575] [<c1065af0>] ? tracing_entries_write+0x0/0x136 [ 4.344592] [<c109a6b8>] sys_write+0x3b/0x60 [ 4.344610] [<c1002af4>] sysenter_do_call+0x12/0x26 [ 4.344621] Mem-Info: [ 4.344629] DMA per-cpu: [ 4.344638] CPU 0: hi: 0, btch: 1 usd: 0 [ 4.344649] CPU 1: hi: 0, btch: 1 usd: 0 [ 4.344658] Normal per-cpu: [ 4.344669] CPU 0: hi: 186, btch: 31 usd: 156 [ 4.344689] CPU 1: hi: 186, btch: 31 usd: 161 [ 4.344700] Active_anon:326 active_file:13 inactive_anon:352 [ 4.344703] inactive_file:4 unevictable:0 dirty:6 writeback:0 unstable:0 [ 4.344706] free:1176 slab:3013 mapped:0 pagetables:3 bounce:0 [ 4.344717] DMA free:2000kB min:88kB low:108kB high:132kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB present:15836kB pages_scanned:0 all_unreclaimable? yes [ 4.344725] lowmem_reserve[]: 0 482 482 482 [ 4.344740] Normal free:2704kB min:2760kB low:3448kB high:4140kB active_anon:1304kB inactive_anon:1408kB active_file:52kB inactive_file:16kB unevictable:0kB present:493624kB pages_scanned:0 all_unreclaimable? no [ 4.344748] lowmem_reserve[]: 0 0 0 0 [ 4.344758] DMA: 0*4kB 0*8kB 1*16kB 0*32kB 1*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 2000kB [ 4.344783] Normal: 0*4kB 0*8kB 1*16kB 0*32kB 0*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 2704kB [ 4.344808] 644 total pagecache pages [ 4.344813] 0 pages in swap cache [ 4.344818] Swap cache stats: add 0, delete 0, find 0/0 [ 4.344822] Free swap = 0kB [ 4.344826] Total swap = 0kB [ 4.348583] 128720 pages RAM [ 4.348588] 0 pages HighMem [ 4.348592] 3428 pages reserved [ 4.348596] 630 pages shared [ 4.348600] 122976 pages non-shared [ 4.982732] wl: module license 'MIXED/Proprietary' taints kernel. [ 4.982744] Disabling lock debugging due to kernel taint [ 4.990532] wl 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [ 4.990555] wl 0000:03:00.0: setting latency timer to 64 [ 5.427550] ACPI: Battery Slot [BAT1] (battery present) [ 5.617895] compal-laptop: Identified laptop model 'Dell Mini 10v'. [ 5.618487] compal-laptop: driver 0.2.6 successfully loaded. [ 5.629208] lib80211_crypt: registered algorithm 'TKIP'
2009-12-03 15:31:00 Scott James Remnant (Canonical) ureadahead: status New Confirmed
2009-12-03 15:31:05 Scott James Remnant (Canonical) ureadahead: importance Undecided High
2010-04-07 16:58:34 Scott James Remnant (Canonical) bug task added ureadahead (Ubuntu)
2010-04-07 16:59:35 Scott James Remnant (Canonical) ureadahead (Ubuntu): status New Confirmed
2010-04-07 16:59:37 Scott James Remnant (Canonical) ureadahead (Ubuntu): importance Undecided High
2010-04-07 16:59:40 Scott James Remnant (Canonical) ureadahead: status Confirmed Invalid
2010-04-08 14:35:13 Scott James Remnant (Canonical) summary When trying to profile on a system with 512MB -- get a kernel OOM Kernel trace buffer should be set to less unrealistic value
2010-04-08 14:35:36 Scott James Remnant (Canonical) ureadahead (Ubuntu): status Confirmed Triaged
2010-04-08 22:18:19 Fabio Bossi nominated for series Ubuntu Lucid
2010-06-06 08:52:54 dino99 attachment added syslog http://launchpadlibrarian.net/49759331/syslog
2010-06-16 21:51:09 Daniel Powell removed subscriber Daniel Powell
2010-07-16 22:00:42 Mikko bug added subscriber Mikko Peiponen
2010-08-13 16:46:38 Bob Blanchard bug added subscriber blabj
2010-08-13 17:07:25 Tim Gardner ureadahead (Ubuntu): status Triaged In Progress
2010-08-13 17:07:25 Tim Gardner ureadahead (Ubuntu): assignee Tim Gardner (timg-tpi)
2010-08-16 16:45:05 Chris Van Hoof bug task added hwe-somerville
2010-08-16 16:45:27 Chris Van Hoof hwe-somerville: assignee Bryan Wu (cooloney)
2010-08-16 16:45:34 Chris Van Hoof hwe-somerville: importance Undecided High
2010-08-16 16:45:43 Chris Van Hoof hwe-somerville: status New In Progress
2010-08-17 18:46:12 Tim Gardner attachment added Divide trace buffer size by number of CPUs https://bugs.edge.launchpad.net/ureadahead/+bug/491943/+attachment/1495969/+files/0001-Count-the-number-of-CPUs.patch
2010-08-17 22:55:59 Brian Murray bug added subscriber Ubuntu Review Team
2010-08-17 22:56:03 Brian Murray tags patch
2010-08-20 17:47:48 Tim Gardner attachment added Patch for ureadahead_0.100.0-4.1.3 https://bugs.edge.launchpad.net/ureadahead/+bug/491943/+attachment/1505068/+files/ureadahead.diff
2010-08-20 17:48:19 Tim Gardner bug added subscriber Ubuntu Stable Release Updates Team
2010-08-20 17:48:34 Tim Gardner bug task added ureadahead (Ubuntu Lucid)
2010-08-20 17:49:20 Tim Gardner ureadahead (Ubuntu Lucid): importance Undecided High
2010-08-20 17:49:20 Tim Gardner ureadahead (Ubuntu Lucid): status New In Progress
2010-08-20 17:49:20 Tim Gardner ureadahead (Ubuntu Lucid): milestone ubuntu-10.04.2
2010-08-20 17:49:20 Tim Gardner ureadahead (Ubuntu Lucid): assignee Tim Gardner (timg-tpi)
2010-08-20 18:45:10 Launchpad Janitor ureadahead (Ubuntu): status In Progress Fix Released
2010-08-20 19:13:26 Launchpad Janitor branch linked lp:ubuntu/ureadahead
2010-08-24 19:55:20 Chris Van Hoof affects hwe-somerville null
2010-08-24 19:56:13 Chris Van Hoof null: status In Progress Invalid
2010-08-24 19:56:54 Chris Van Hoof null: assignee Bryan Wu (cooloney) Chris Van Hoof (vanhoof)
2010-08-25 14:23:24 Martin Pitt ureadahead (Ubuntu Lucid): status In Progress Fix Committed
2010-08-25 14:23:27 Martin Pitt bug added subscriber SRU Verification
2010-08-25 14:23:35 Martin Pitt tags patch patch verification-needed
2010-08-27 01:32:24 Launchpad Janitor branch linked lp:ubuntu/lucid-proposed/ureadahead
2010-08-30 21:12:34 Barry Carroll bug added subscriber Barry Carroll
2010-09-16 08:35:05 Martin Pitt tags patch verification-needed patch verification-done
2010-09-16 16:31:33 Launchpad Janitor ureadahead (Ubuntu Lucid): status Fix Committed Fix Released
2011-11-11 21:19:15 Curtis Hovey bug task deleted null
2011-11-11 23:02:58 TimArbuckle removed subscriber TimArbuckle