linux-ext4 - Re: possible ext4 race situation freezing linux

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Date:	Tue, 24 Feb 2009 09:17:49 -0500
From:	Theodore Tso <tytso@....edu>
To:	Andreas Friedrich Berendsen <afberendsen@...il.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: possible ext4 race situation freezing linux

On Wed, Feb 25, 2009 at 01:22:22AM +1300, Andreas Friedrich Berendsen wrote:
> Kernel version: 2.26.28.7
> efs2progs version: 1.41.4
> arch: x86_64 (amd)
> 
> I made this test four times and the results  were the same: linux
> freezes and becomes unresponsive. Only solution is to reset the box. I
> do not know if the problem is with the USB devices sub-subsystem or a
> possible ext4 race condition.

Can you use alt-sysrq to get some stack traces or a register dump out,
so we can see where the kernel is hanging?

      	      	    	       	  - Ted
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