From: "Busby.Cheung" <chaimvy@163.com>
To: "linux-lvm@redhat.com" <linux-lvm@redhat.com>
Subject: [linux-lvm] why 'lvcreate' command blocked?
Date: Fri, 1 Jul 2011 14:49:09 +0800 (CST) [thread overview]
Message-ID: <5d9860.22c.130e47547b4.Coremail.chaimvy@163.com> (raw)
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Hi ALL，
When I used the lvcreate cmd in my system, it blocked for a long time. My OS kernel version is linux-2.6.29, is there any bug?
Here is the mesg:
INFO: task lvcreate:30225 blocked for more than 480 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
lvcreate D ffff880028088780 0 30225 25700
ffff88013e02a100 0000000000000086 0000000000000000 0000000000000000
00000000000000d0 ffff880124879910 ffff880124879c70 00000001000aaa4a
ffffffffffffffff ffffffffffffffff ffffffffffffffff 7fffffffffffffff
Call Trace:
[<ffffffff804d4d5d>] io_schedule+0x5d/0x9e
[<ffffffff802bfff5>] __blockdev_direct_IO+0x8a4/0xa3b
[<ffffffff80272842>] __filemap_fdatawrite_range+0x54/0x5e
[<ffffffff802bee5e>] blkdev_direct_IO+0x45/0x4a
[<ffffffff802bed84>] blkdev_get_blocks+0x0/0x95
[<ffffffff80272c28>] generic_file_direct_write+0xd2/0x18b
[<ffffffff80272f65>] __generic_file_aio_write_nolock+0x284/0x3a5
[<ffffffff802734d7>] generic_file_aio_read+0xe1/0x539
[<ffffffff80273138>] generic_file_aio_write_nolock+0x34/0x80
[<ffffffff8029d6db>] do_sync_write+0xc9/0x10c
[<ffffffff803958e4>] tty_put_char+0x2b/0x2d
[<ffffffff80249396>] autoremove_wake_function+0x0/0x2e
[<ffffffff80326a0c>] selinux_file_permission+0x5a/0x120
[<ffffffff8029ddd7>] vfs_write+0xad/0x136
[<ffffffff8029e2f4>] sys_write+0x45/0x6e
[<ffffffff8020bedb>] system_call_fastpath+0x16/0x1b
I don't know whether it is the kernel's scheduling bug or the lvm2's bug, anyone knows?
Best Wishes!
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next reply other threads:[~2011-07-01 6:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-01 6:49 Busby.Cheung [this message]
2011-07-01 18:37 ` [linux-lvm] why 'lvcreate' command blocked? Stuart D. Gathman
2011-07-02 6:30 ` Ray Morris
2011-07-04 2:33 ` Busby.Cheung
2011-07-04 2:39 ` Busby.Cheung
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