Hi all, I've update the CentOS bug (http://bugs.centos.org/view.php?id=6217) with the following information: -- More detail about the hang including traceback -- Using 5.9 kernel (348) without md raid: Please stand by while rebooting the system... md: stopping all md devices. Synchronizing SCSI cache for disk sda: Restarting system. .. machine restart (reboots normally) With md raid1: Unmounting pipe file systems: Unmounting file systems: Please stand by while rebooting the system... md: stopping all md devices. md: md2 switched to read-only mode. md: md1 switched to read-only mode. (hang) Traceback: INFO: task reboot:2063 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. reboot D ffff810037df37e0 0 2063 1 19 (NOTLB) ffff81005890ba08 0000000000000082 ffff81005890ba58 ffff81005beb1ea0 0000000000000001 0000000000000007 ffff810058d67040 ffff810037df37e0 000000596dd8a1e6 0000000000003df4 ffff810058d67228 000000008008d76f Call Trace: [<ffffffff8002e4bc>] __wake_up+0x38/0x4f [<ffffffff80223bce>] md_write_start+0xf2/0x108 [<ffffffff800a3bc2>] autoremove_wake_function+0x0/0x2e [<ffffffff8000ab62>] get_page_from_freelist+0x380/0x442 [<ffffffff880b102c>] :raid1:make_request+0x38/0x5d8 [<ffffffff8001c839>] generic_make_request+0x211/0x228 [<ffffffff8002389f>] mempool_alloc+0x31/0xe7 [<ffffffff8001a98f>] vsnprintf+0x5d7/0xb54 [<ffffffff80033695>] submit_bio+0xe6/0xed [<ffffffff8807f801>] :xfs:_xfs_buf_ioapply+0x1f2/0x254 [<ffffffff8807f89c>] :xfs:xfs_buf_iorequest+0x39/0x64 [<ffffffff8808386c>] :xfs:xfs_bdstrat_cb+0x36/0x3a [<ffffffff8807c0a8>] :xfs:xfs_bwrite+0x5e/0xba [<ffffffff88077669>] :xfs:xfs_syncsub+0x119/0x226 [<ffffffff88084ce2>] :xfs:xfs_fs_sync_super+0x33/0xdd [<ffffffff8010aa44>] quota_sync_sb+0x2e/0xf0 [<ffffffff800e55bd>] __fsync_super+0x1b/0x9e [<ffffffff800e578a>] fsync_super+0x9/0x16 [<ffffffff800e57c1>] fsync_bdev+0x2a/0x3b [<ffffffff8014ea59>] invalidate_partition+0x28/0x40 [<ffffffff802225a8>] do_md_stop+0xa0/0x2ec [<ffffffff80224d41>] md_notify_reboot+0x5f/0x120 [<ffffffff80067565>] notifier_call_chain+0x20/0x32 [<ffffffff8009de98>] blocking_notifier_call_chain+0x22/0x36 [<ffffffff8009e220>] kernel_restart_prepare+0x18/0x29 [<ffffffff8009e280>] kernel_restart+0x9/0x46 [<ffffffff8009e40a>] sys_reboot+0x146/0x1c7 [<ffffffff8003b291>] hrtimer_try_to_cancel+0x4a/0x53 [<ffffffff8005a753>] hrtimer_cancel+0xc/0x16 [<ffffffff80063cf9>] do_nanosleep+0x47/0x70 [<ffffffff8005a640>] hrtimer_nanosleep+0x58/0x118 [<ffffffff800a5b84>] hrtimer_wakeup+0x0/0x22 [<ffffffff8001e2f2>] sigprocmask+0xb7/0xdb [<ffffffff80054fe6>] sys_nanosleep+0x4c/0x62 [<ffffffff8005d116>] system_call+0x7e/0x83 Filesystem Size Used Avail Use% Mounted on /dev/md3 4.9G 784M 4.2G 16% / /dev/md2 108M 11M 97M 11% /boot tmpfs 689M 0 689M 0% /dev/shm [root@test9][/root]# swapon -s Filename Type Size Used Priority /dev/md1 partition 2947832 0 -1 [root@test9][/root]# cat /proc/mdstat Personalities : [raid1] md2 : active raid1 sdb1[1] sda1[0] 128384 blocks [2/2] [UU] md1 : active raid1 sdb2[1] sda2[0] 2947840 blocks [2/2] [UU] md3 : active raid1 sdb3[1] sda3[0] 5116608 blocks [2/2] [UU] unused devices: <none> _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
