Re: possible null pointer in xlog_iodone

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On Mon, Jun 17, 2013 at 06:38:56PM +0400, Vlad Bespalov wrote:
> CentOS 6.4 kernel 2.6.32-358.2.1.el6.x86_64
> i`ll try to make a script that can be used out-of-house.
> 
> several requests may have failed (un)conveniently, so we have passed
> through setting XLOG_IO_ERROR in xfs_log_force_unmount() and
> eventually skipped xlog_wait altogether:
> -----------------
> <1>XFS (<device>): metadata I/O error: block 0xa03e1d ("xlog_iodone")
> error 5 buf count 1024
> <5>XFS (<device>): xfs_do_force_shutdown(0x2) called from line 1052 of
> file fs/xfs/xfs_log.c.  Return address = 0xffffffffa0559e51
> <1>XFS (<device>): Log I/O Error Detected.  Shutting down filesystem
> <1>XFS (<device>): Please umount the filesystem and rectify the problem(s)
> <4>XFS (<device>): xfs_log_force: error 5 returned.
> <5>XFS (<device>): xfs_do_force_shutdown(0x1) called from line 1063 of
> file fs/xfs/linux-2.6/xfs_buf.c.  Return address = 0xffffffffa0575
> <4>XFS (<device>): xfs_log_force: error 5 returned.
> <4>XFS (<device>): xfs_log_force: error 5 returned.
> ...
> <1>XFS (mtab~): metadata I/O error: block 0xa03e1b ("xlog_iodone")
> error 5 buf count 1024

And the rest of dmesg showing the stack trace of the oops?

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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