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Re: Hung in D state during fclose

To: "Cheung, Norman" <Norman.Cheung@xxxxxxxxxxxxxx>
Subject: Re: Hung in D state during fclose
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Tue, 12 Feb 2013 21:20:14 +1100
Cc: "linux-xfs@xxxxxxxxxxx" <linux-xfs@xxxxxxxxxxx>
Delivered-to: linux-xfs@xxxxxxxxxxx
In-reply-to: <3542214BE3A3EF419F236DFE0F878BC90512DC@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
References: <loom.20130212T071115-446@xxxxxxxxxxxxxx> <20130212065545.GC10731@dastard> <3542214BE3A3EF419F236DFE0F878BC90512DC@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Tue, Feb 12, 2013 at 07:01:59AM +0000, Cheung, Norman wrote:
> Sorry Dave.  Let me copy and paste the trace below, hope it works.
> Thanks,
> Norman
> 
> Below is the sysrq for the 2 offending threads.
> 
> 1. the disk writing thread hung in fclose
> 
> 
> Tigris_IMC.exe  D 0000000000000000     0  4197   4100 0x00000000
> ffff881f3db921c0 0000000000000086 0000000000000000 ffff881f42eb8b80
> ffff880861419fd8 ffff880861419fd8 ffff880861419fd8 ffff881f3db921c0
> 0000000000080000 0000000000000000 00000000000401e0 00000000061805c1 Call 
> Trace:
> [<ffffffff810d89ed>] ? zone_statistics+0x9d/0xa0 [<ffffffffa0402682>] ? 
> xfs_iomap_write_delay+0x172/0x2b0 [xfs] [<ffffffff813c7e35>] ? 
> rwsem_down_failed_common+0xc5/0x150
> [<ffffffff811f32a3>] ? call_rwsem_down_write_failed+0x13/0x20
> [<ffffffff813c74ec>] ? down_write+0x1c/0x1d [<ffffffffa03fba8e>] ? 
> xfs_ilock+0x7e/0xa0 [xfs] [<ffffffffa041b64b>] ? __xfs_get_blocks+0x1db/0x3d0 
> [xfs] [<ffffffff81103340>] ? kmem_cache_alloc+0x100/0x130 
> [<ffffffff8113fa2e>] ? alloc_page_buffers+0x6e/0xe0 [<ffffffff81141cdf>] ? 
> __block_write_begin+0x1cf/0x4d0 [<ffffffffa041b850>] ? 
> xfs_get_blocks_direct+0x10/0x10 [xfs] [<ffffffffa041b850>] ? 
> xfs_get_blocks_direct+0x10/0x10 [xfs] [<ffffffff8114226b>] ? 
> block_write_begin+0x4b/0xa0 [<ffffffffa041b8fb>] ? 
> xfs_vm_write_begin+0x3b/0x70 [xfs] [<ffffffff810c0258>] ? 
> generic_file_buffered_write+0xf8/0x250
> [<ffffffffa04207b5>] ? xfs_file_buffered_aio_write+0xc5/0x130 [xfs] 
> [<ffffffffa042099c>] ? xfs_file_aio_write+0x17c/0x2a0 [xfs] 
> [<ffffffff81115b28>] ? do_sync_write+0xb8/0xf0 [<ffffffff8119daa4>] ? 
> security_file_permission+0x24/0xc0
> [<ffffffff8111630a>] ? vfs_write+0xaa/0x190 [<ffffffff81116657>] ? 
> sys_write+0x47/0x90 [<ffffffff813ce412>] ? system_call_fastpath+0x16/0x1b

It's just as mangled. Write them to a file, make sure it is
formatted correctly, and attach it to the email.

> kernel version 3.0.13-0.27

What distribution is that from?

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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