Hello, On Mon, Mar 28, 2011 at 02:53:53PM +0200, Thomas Jarosch wrote: > Pid: 1143, comm: blkid Not tainted 2.6.38 #26 MSI MS-7349/MS-7349 > EIP: 0060:[<c12dc768>] EFLAGS: 00000246 CPU: 0 > EIP is at __mutex_unlock_slowpath+0xb8/0x150 > EAX: 00000246 EBX: c14252a0 ECX: 00000001 EDX: 00000001 > ESI: c14252c4 EDI: 00000246 EBP: f568fd8c ESP: f568fd80 > DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 > Process blkid (pid: 1143, ti=f568e000 task=f615c030 task.ti=f568e000) > Stack: > 00000000 f545a9c0 00900000 f568fd94 c12dc808 f568fdc0 c11c4451 c11323b0 > f568fdf0 f55e2e00 00000009 f61ae800 00000000 00000000 f568fdf0 f5df7490 > f568fdd0 c11331b8 f5df7480 f55e2e00 f568fe00 c10e85aa f615c030 00000000 > Call Trace: > [<c12dc808>] mutex_unlock+0x8/0x10 > [<c11c4451>] kobj_lookup+0xe1/0x140 > [<c11323b0>] ? exact_match+0x0/0x10 > [<c11331b8>] get_gendisk+0x98/0xb0 > [<c10e85aa>] __blkdev_get+0xca/0x320 > [<c10e8843>] blkdev_get+0x43/0x2c0 > [<c12de75d>] ? _raw_spin_unlock+0x1d/0x20 > [<c10e8b12>] blkdev_open+0x52/0x70 > [<c10bb12d>] __dentry_open+0x9d/0x240 > [<c10bb3c6>] nameidata_to_filp+0x66/0x80 > [<c10e8ac0>] ? blkdev_open+0x0/0x70 > [<c10c781f>] finish_open+0xaf/0x190 > [<c10c8a24>] ? do_path_lookup+0x44/0xe0 > [<c10c9920>] do_filp_open+0x210/0x6d0 > [<c10672e9>] ? lock_release_non_nested+0x59/0x2f0 > [<c12de75d>] ? _raw_spin_unlock+0x1d/0x20 > [<c10d47d8>] ? alloc_fd+0xb8/0xf0 > [<c10baf45>] do_sys_open+0x55/0xf0 > [<c10bb049>] sys_open+0x29/0x40 > [<c1002e9f>] sysenter_do_call+0x12/0x38 Hmmm... Weird. * blkid seems to be looping in blkdev_open() repeatedly calling md_open() which keeps returning -ERESTARTSYS. * It triggered softlockup. Even with -ERESTARTSYS looping, I can't see how that would be possible. Is this custom boot script? If so, do you use RT priority in the script? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
