linux-kernel - Re: ext3 __log_wait_for

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Date:	Thu, 30 Oct 2008 22:43:25 +0200 (EET)
From:	Meelis Roos <mroos@...ux.ee>
To:	Theodore Tso <tytso@....edu>
cc:	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: ext3 __log_wait_for_space: no transactions

> > __log_wait_for_space: no transactions
> > Aborting journal on device sda3.
> > ext3_abort called.
> > EXT3-fs error (device sda3): ext3_journal_start_sb: Detected aborted journal
> > Remounting filesystem read-only
> 
> How big is your journal?   What does this report?
> 
>     dumpe2fs -h /dev/sda3| grep Journal

dumpe2fs 1.41.3 (12-Oct-2008)
Journal inode:            8
Journal backup:           inode blocks
Journal size:             32M

> The other thing that would be useful would be to replace the call to
> journal_abort() in __log_wait_for_space() in fs/jbd/checkpoint.c with
> a BUG(), so we can get a stack backtrace and see what filesystem
> operation was calling start_this_handle() (which in turn was calling
> __log_wait_for_space) that is triggering this bug.

Will try.

-- 
Meelis Roos (mroos@...ux.ee)
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