[Bug 784219] New: kernel Call Traces from io_schedule

https://bugzilla.novell.com/show_bug.cgi?id=784219 https://bugzilla.novell.com/show_bug.cgi?id=784219#c0 Summary: kernel Call Traces from io_schedule Classification: openSUSE Product: openSUSE 12.2 Version: Final Platform: Other OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: meissner@suse.com ReportedBy: rommel@suse.com QAContact: qa-bugs@suse.de CC: jeffm@suse.com Found By: --- Blocker: --- When testing the prepared maintenance update Products: SUSE Linux 12.2 (debug, multiarch) Category: security openSUSE Maintenance ID: 970 openSUSE Review ID: 137259 Repository URL: http://download.opensuse.org/repositories/openSUSE:/Maintenance:/970/openSUS... Packager: jeff_mahoney Bugs: 762693 765230 771392 772566 772831 772923 773406 774523 774859 776925 778630 779432 780624 781134 with newburn I got some kernel call traces like Oct 9 00:45:03 boxer kernel: INFO: task rs:main Q:Reg:24427 blocked for more than 480 seconds. Oct 9 00:45:03 boxer kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Oct 9 00:45:03 boxer kernel: ffff880120721a08 0000000000000082 ffff88011ff06100 ffff880120721fd8 Oct 9 00:45:03 boxer kernel: ffff880120721fd8 ffff880120721fd8 ffff88011aef2600 ffff88011ff06100 Oct 9 00:45:03 boxer kernel: ffffffff81009a05 ffff88011ff06100 ffff880127c53568 0000000000000002 Oct 9 00:45:03 boxer kernel: Call Trace: Oct 9 00:45:03 boxer kernel: [<ffffffff8158c4ba>] io_schedule+0x8a/0xd0 Oct 9 00:45:03 boxer kernel: [<ffffffff810fe929>] sleep_on_page+0x9/0x10 Oct 9 00:45:03 boxer kernel: [<ffffffff8158abcf>] __wait_on_bit+0x4f/0x80 Oct 9 00:45:03 boxer kernel: [<ffffffff810fea40>] wait_on_page_bit+0x70/0x80 Oct 9 00:45:03 boxer kernel: [<ffffffff810ff9da>] grab_cache_page_write_begin+0xaa/0x100 Oct 9 00:45:03 boxer kernel: [<ffffffff811f7451>] ext4_da_write_begin+0xa1/0x230 Oct 9 00:45:03 boxer kernel: [<ffffffff810ff5d1>] generic_file_buffered_write+0x121/0x2d0 Oct 9 00:45:03 boxer kernel: [<ffffffff8110052a>] __generic_file_aio_write+0x21a/0x410 Oct 9 00:45:03 boxer kernel: [<ffffffff81100790>] generic_file_aio_write+0x70/0xf0 Oct 9 00:45:03 boxer kernel: [<ffffffff811f0b67>] ext4_file_write+0xb7/0x260 Oct 9 00:45:03 boxer kernel: [<ffffffff8115cffe>] do_sync_write+0xbe/0x100 Oct 9 00:45:03 boxer kernel: [<ffffffff8115d8c7>] vfs_write+0xa7/0x180 Oct 9 00:45:03 boxer kernel: [<ffffffff8115dbf7>] sys_write+0x47/0x90 Oct 9 00:45:03 boxer kernel: [<ffffffff8159437d>] system_call_fastpath+0x1a/0x1f Oct 9 00:45:03 boxer kernel: [<00007fdd3fe8228d>] 0x7fdd3fe8228c and Oct 9 00:37:03 boxer kernel: INFO: task memtst:31391 blocked for more than 480 seconds. Oct 9 00:37:03 boxer kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Oct 9 00:37:03 boxer kernel: ffff8800a076f718 0000000000000082 ffff8800a49ae440 ffff8800a076ffd8 Oct 9 00:37:03 boxer kernel: ffff8800a076ffd8 ffff8800a076ffd8 ffffffff81a14020 ffff8800a49ae440 Oct 9 00:37:03 boxer kernel: ffffffff81009a05 ffff8800a49ae440 ffff880127c13568 0000000000000002 Oct 9 00:37:03 boxer kernel: Call Trace: Oct 9 00:37:03 boxer kernel: [<ffffffff8158c4ba>] io_schedule+0x8a/0xd0 Oct 9 00:37:03 boxer kernel: [<ffffffff810fe929>] sleep_on_page+0x9/0x10 Oct 9 00:37:03 boxer kernel: [<ffffffff8158abcf>] __wait_on_bit+0x4f/0x80 Oct 9 00:37:03 boxer kernel: [<ffffffff810fea40>] wait_on_page_bit+0x70/0x80 Oct 9 00:37:03 boxer kernel: [<ffffffff81111c1b>] shrink_page_list+0x29b/0x940 Oct 9 00:37:03 boxer kernel: [<ffffffff81112774>] shrink_inactive_list+0x1f4/0x4f0 Oct 9 00:37:03 boxer kernel: [<ffffffff811131d2>] shrink_mem_cgroup_zone+0x3b2/0x520 Oct 9 00:37:03 boxer kernel: [<ffffffff811133b0>] shrink_zone+0x70/0x90 Oct 9 00:37:03 boxer kernel: [<ffffffff81113733>] do_try_to_free_pages+0x103/0x560 Oct 9 00:37:03 boxer kernel: [<ffffffff81113e91>] try_to_free_pages+0x91/0x180 Oct 9 00:37:03 boxer kernel: [<ffffffff81108108>] __alloc_pages_nodemask+0x578/0xa00 Oct 9 00:37:03 boxer kernel: [<ffffffff81143468>] alloc_pages_vma+0xb8/0x1a0 Oct 9 00:37:03 boxer kernel: [<ffffffff81151314>] do_huge_pmd_anonymous_page+0x154/0x380 Oct 9 00:37:03 boxer kernel: [<ffffffff81590839>] do_page_fault+0x149/0x490 Oct 9 00:37:03 boxer kernel: [<ffffffff8158dc75>] page_fault+0x25/0x30 Oct 9 00:37:03 boxer kernel: [<0000000000401685>] 0x401684 How to reproduce: install qa_test_newburn from IBS QA:Head and run /usr/lib/ctcs2/tools/test_newburn-run (in this case I lowered the execution time in that script from 24h to 8h) At this point I don't know if this is a regression when compared to the GM kernel. Please advise how to read/rate these messages. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.