linux-ext4 - Re: kernel panic using external journal and snapshots

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Message-ID: <52911078.40207@gmail.com>
Date:	Sat, 23 Nov 2013 12:30:48 -0800
From:	Gordon Messmer <gordon.messmer@...il.com>
To:	linux-ext4@...r.kernel.org
Subject: Re: kernel panic using external journal and snapshots

On 11/21/2013 11:11 PM, Zheng Liu wrote:
> For the first question, I haven't a LVM device on my hand.  Hence I am
> not sure whether there is a bug or not.
>
> For the second one, I do a test on my sand box against Linux-3.12-rc5,
> and it works well.  So I think maybe you can try it again on a newer
> kernel.

The problem manifests when a filesystem which uses external journal and 
its snapshot are simultaneously mounted.  If you don't have an LVM 
device with which to create a snapshot, I'm not sure what you're 
testing.  Could you clarify?
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