linux-kernel - Re: [RFC][PATCH] add blockconsole

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Message-ID: <x49zka0j5bk.fsf@segfault.boston.devel.redhat.com>
Date:	Wed, 25 Apr 2012 09:42:39 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Jörn Engel <joern@...fs.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH] add blockconsole

Jörn Engel <joern@...fs.org> writes:

> Console driver similar to netconsole, except it writes to a block
> device.  Can be useful in a setup where netconsole, for whatever
> reasons, is impractical.

Hi, Joern,

Neat idea, but I'm curious to know how it works when the system panics
and you no longer can schedule the writeback thread.  What are the
limitations you've seen in practice?

Cheers,
Jeff
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