linux-ext4 - Re: error in ext4_mb_release_inode

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Date:	Mon, 07 Jul 2008 17:20:22 -0600
From:	Andreas Dilger <adilger@....com>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: error in ext4_mb_release_inode_pa

On Jul 07, 2008  10:29 -0500, Eric Sandeen wrote:
> This was on #linuxfs last night, and I think I've seen at least one
> other report of it:
> 
> [22:44]  <shehjart> any ideas why i get the following two lines on the
> serial console when writing to ext4 over software raid0:
> [22:44]  <shehjart> pa e00001004112d450: logic 11928, phys. 47003288,
> len 360
> [22:45]  <shehjart> EXT4-fs error (device md0):
> ext4_mb_release_inode_pa: free 176, pa_free 174

The bug that I recalled from Lustre is unlikely to be the same.  It is
https://bugzilla.lustre.org/show_bug.cgi?id=15932

	"error: N blocks in bitmap, M in gd"

There was a second bug in ext3_mb_use_best_found() hit on > 8TB filesystems:
https://bugzilla.lustre.org/show_bug.cgi?id=16101

	BUG_ON(ac->ac_b_ex.fe_group != e3b->bd_group);


Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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