Are there any bugs in area visible in tracebacks below? I have a system where one operation (upgrade of single rpm package) causes rpm process to hang in D-state, sysrq-w below: [ 400.755253] SysRq : Show Blocked State [ 400.758507] task PC stack pid father [ 400.758507] rpm D 0000000100005781 0 8732 8698 0x00000000 [ 400.758507] ffff88021657dc48 0000000000000086 ffff880200000000 ffff88025126f480 [ 400.758507] ffff880252276630 ffff88021657dfd8 ffff88021657dfd8 ffff88021657dfd8 [ 400.758507] ffff880252074af0 ffff880252276630 ffff88024cb0d005 ffff88021657dcb0 [ 400.758507] Call Trace: [ 400.758507] [<ffffffff8114b22a>] ? kmem_cache_free+0x2a/0x110 [ 400.758507] [<ffffffff8114d2ed>] ? kmem_cache_alloc+0x11d/0x140 [ 400.758507] [<ffffffffa00df3c7>] ? kmem_zone_alloc+0x67/0xe0 [xfs] [ 400.758507] [<ffffffff8148b78a>] schedule+0x3a/0x50 [ 400.758507] [<ffffffff8148d25d>] rwsem_down_failed_common+0xbd/0x150 [ 400.758507] [<ffffffff8148d303>] rwsem_down_write_failed+0x13/0x20 [ 400.758507] [<ffffffff812652a3>] call_rwsem_down_write_failed+0x13/0x20 [ 400.758507] [<ffffffff8148c8ed>] ? down_write+0x2d/0x40 [ 400.758507] [<ffffffffa00cf97c>] xfs_ilock+0xcc/0x120 [xfs] [ 400.758507] [<ffffffffa00d4ace>] xfs_setattr_nonsize+0x1ce/0x5b0 [xfs] [ 400.758507] [<ffffffff81265502>] ? __strncpy_from_user+0x22/0x60 [ 400.758507] [<ffffffffa00d52ab>] xfs_vn_setattr+0x1b/0x40 [xfs] [ 400.758507] [<ffffffff8117c1a2>] notify_change+0x1a2/0x340 [ 400.758507] [<ffffffff8115ed80>] chown_common+0xd0/0xf0 [ 400.758507] [<ffffffff8115fe4c>] sys_chown+0xac/0x1a0 [ 400.758507] [<ffffffff81495112>] system_call_fastpath+0x16/0x1b [ 603.456635] INFO: task rpm:8732 blocked for more than 120 seconds. [ 603.456638] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 603.456642] rpm D 0000000100005781 0 8732 8698 0x00000000 [ 603.456649] ffff88021657dc48 0000000000000086 ffff880200000000 ffff88025126f480 [ 603.456655] ffff880252276630 ffff88021657dfd8 ffff88021657dfd8 ffff88021657dfd8 [ 603.456660] ffff880252074af0 ffff880252276630 ffff88024cb0d005 ffff88021657dcb0 [ 603.456666] Call Trace: [ 603.456678] [<ffffffff8114b22a>] ? kmem_cache_free+0x2a/0x110 [ 603.456683] [<ffffffff8114d2ed>] ? kmem_cache_alloc+0x11d/0x140 [ 603.456728] [<ffffffffa00df3c7>] ? kmem_zone_alloc+0x67/0xe0 [xfs] [ 603.456735] [<ffffffff8148b78a>] schedule+0x3a/0x50 [ 603.456739] [<ffffffff8148d25d>] rwsem_down_failed_common+0xbd/0x150 [ 603.456744] [<ffffffff8148d303>] rwsem_down_write_failed+0x13/0x20 [ 603.456750] [<ffffffff812652a3>] call_rwsem_down_write_failed+0x13/0x20 [ 603.456754] [<ffffffff8148c8ed>] ? down_write+0x2d/0x40 [ 603.456774] [<ffffffffa00cf97c>] xfs_ilock+0xcc/0x120 [xfs] [ 603.456794] [<ffffffffa00d4ace>] xfs_setattr_nonsize+0x1ce/0x5b0 [xfs] [ 603.456799] [<ffffffff81265502>] ? __strncpy_from_user+0x22/0x60 [ 603.456819] [<ffffffffa00d52ab>] xfs_vn_setattr+0x1b/0x40 [xfs] [ 603.456824] [<ffffffff8117c1a2>] notify_change+0x1a2/0x340 [ 603.456829] [<ffffffff8115ed80>] chown_common+0xd0/0xf0 [ 603.456834] [<ffffffff8115fe4c>] sys_chown+0xac/0x1a0 [ 603.456839] [<ffffffff81495112>] system_call_fastpath+0x16/0x1b [ 723.456628] INFO: task rpm:8732 blocked for more than 120 seconds. [ 723.456632] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 723.456636] rpm D 0000000100005781 0 8732 8698 0x00000000 [ 723.456643] ffff88021657dc48 0000000000000086 ffff880200000000 ffff88025126f480 [ 723.456649] ffff880252276630 ffff88021657dfd8 ffff88021657dfd8 ffff88021657dfd8 [ 723.456654] ffff880252074af0 ffff880252276630 ffff88024cb0d005 ffff88021657dcb0 [ 723.456660] Call Trace: [ 723.456673] [<ffffffff8114b22a>] ? kmem_cache_free+0x2a/0x110 [ 723.456677] [<ffffffff8114d2ed>] ? kmem_cache_alloc+0x11d/0x140 [ 723.456722] [<ffffffffa00df3c7>] ? kmem_zone_alloc+0x67/0xe0 [xfs] [ 723.456729] [<ffffffff8148b78a>] schedule+0x3a/0x50 [ 723.456734] [<ffffffff8148d25d>] rwsem_down_failed_common+0xbd/0x150 [ 723.456738] [<ffffffff8148d303>] rwsem_down_write_failed+0x13/0x20 [ 723.456744] [<ffffffff812652a3>] call_rwsem_down_write_failed+0x13/0x20 [ 723.456749] [<ffffffff8148c8ed>] ? down_write+0x2d/0x40 [ 723.456768] [<ffffffffa00cf97c>] xfs_ilock+0xcc/0x120 [xfs] [ 723.456789] [<ffffffffa00d4ace>] xfs_setattr_nonsize+0x1ce/0x5b0 [xfs] [ 723.456794] [<ffffffff81265502>] ? __strncpy_from_user+0x22/0x60 [ 723.456814] [<ffffffffa00d52ab>] xfs_vn_setattr+0x1b/0x40 [xfs] [ 723.456819] [<ffffffff8117c1a2>] notify_change+0x1a2/0x340 [ 723.456824] [<ffffffff8115ed80>] chown_common+0xd0/0xf0 [ 723.456828] [<ffffffff8115fe4c>] sys_chown+0xac/0x1a0 [ 723.456833] [<ffffffff81495112>] system_call_fastpath+0x16/0x1b [ 776.256220] SysRq : Show Blocked State [ 776.259443] task PC stack pid father [ 776.259443] rpm D 0000000100005781 0 8732 8698 0x00000000 [ 776.259443] ffff88021657dc48 0000000000000086 ffff880200000000 ffff88025126f480 [ 776.259443] ffff880252276630 ffff88021657dfd8 ffff88021657dfd8 ffff88021657dfd8 [ 776.259443] ffff880252074af0 ffff880252276630 ffff88024cb0d005 ffff88021657dcb0 [ 776.259443] Call Trace: [ 776.259443] [<ffffffff8114b22a>] ? kmem_cache_free+0x2a/0x110 [ 776.259443] [<ffffffff8114d2ed>] ? kmem_cache_alloc+0x11d/0x140 [ 776.259443] [<ffffffffa00df3c7>] ? kmem_zone_alloc+0x67/0xe0 [xfs] [ 776.259443] [<ffffffff8148b78a>] schedule+0x3a/0x50 [ 776.259443] [<ffffffff8148d25d>] rwsem_down_failed_common+0xbd/0x150 [ 776.259443] [<ffffffff8148d303>] rwsem_down_write_failed+0x13/0x20 [ 776.259443] [<ffffffff812652a3>] call_rwsem_down_write_failed+0x13/0x20 [ 776.259443] [<ffffffff8148c8ed>] ? down_write+0x2d/0x40 [ 776.259443] [<ffffffffa00cf97c>] xfs_ilock+0xcc/0x120 [xfs] [ 776.259443] [<ffffffffa00d4ace>] xfs_setattr_nonsize+0x1ce/0x5b0 [xfs] [ 776.259443] [<ffffffff81265502>] ? __strncpy_from_user+0x22/0x60 [ 776.259443] [<ffffffffa00d52ab>] xfs_vn_setattr+0x1b/0x40 [xfs] [ 776.259443] [<ffffffff8117c1a2>] notify_change+0x1a2/0x340 [ 776.259443] [<ffffffff8115ed80>] chown_common+0xd0/0xf0 [ 776.259443] [<ffffffff8115fe4c>] sys_chown+0xac/0x1a0 [ 776.259443] [<ffffffff81495112>] system_call_fastpath+0x16/0x1b [ 843.456611] INFO: task rpm:8732 blocked for more than 120 seconds. [ 843.456616] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 843.456619] rpm D 0000000100005781 0 8732 8698 0x00000000 [ 843.456626] ffff88021657dc48 0000000000000086 ffff880200000000 ffff88025126f480 [ 843.456632] ffff880252276630 ffff88021657dfd8 ffff88021657dfd8 ffff88021657dfd8 [ 843.456637] ffff880252074af0 ffff880252276630 ffff88024cb0d005 ffff88021657dcb0 [ 843.456643] Call Trace: [ 843.456655] [<ffffffff8114b22a>] ? kmem_cache_free+0x2a/0x110 [ 843.456660] [<ffffffff8114d2ed>] ? kmem_cache_alloc+0x11d/0x140 [ 843.456705] [<ffffffffa00df3c7>] ? kmem_zone_alloc+0x67/0xe0 [xfs] [ 843.456712] [<ffffffff8148b78a>] schedule+0x3a/0x50 [ 843.456716] [<ffffffff8148d25d>] rwsem_down_failed_common+0xbd/0x150 [ 843.456721] [<ffffffff8148d303>] rwsem_down_write_failed+0x13/0x20 [ 843.456727] [<ffffffff812652a3>] call_rwsem_down_write_failed+0x13/0x20 [ 843.456731] [<ffffffff8148c8ed>] ? down_write+0x2d/0x40 [ 843.456751] [<ffffffffa00cf97c>] xfs_ilock+0xcc/0x120 [xfs] [ 843.456771] [<ffffffffa00d4ace>] xfs_setattr_nonsize+0x1ce/0x5b0 [xfs] [ 843.456776] [<ffffffff81265502>] ? __strncpy_from_user+0x22/0x60 [ 843.456796] [<ffffffffa00d52ab>] xfs_vn_setattr+0x1b/0x40 [xfs] [ 843.456801] [<ffffffff8117c1a2>] notify_change+0x1a2/0x340 [ 843.456806] [<ffffffff8115ed80>] chown_common+0xd0/0xf0 [ 843.456810] [<ffffffff8115fe4c>] sys_chown+0xac/0x1a0 [ 843.456816] [<ffffffff81495112>] system_call_fastpath+0x16/0x1b -- Arkadiusz Miśkiewicz PLD/Linux Team arekm / maven.pl http://ftp.pld-linux.org/ _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
