linux-kernel - Re: Processes stuck on I/O (2.6.20-rc1+git)

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Date:	Tue, 19 Dec 2006 10:58:30 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Dave Hansen <haveblue@...ibm.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Processes stuck on I/O (2.6.20-rc1+git)

On Tue, 19 Dec 2006 10:46:15 -0800
Dave Hansen <haveblue@...ibm.com> wrote:

> I was copying some stuff off of a USB device this morning, and saw the
> process freeze.  It was unkillable, but I figured the USB device had
> died and done something funny.  A little bit later, I had a git process
> do the same thing, but it was confined to dealing with an actual
> attached disk.
> 
> The processes that hung were git-prune-packed and gtkpod.  You can see
> them in the sysrq-t output below.  My kernel is from a git pull, post
> 2.6.20-rc1:

git-prune-packed is running sys_sync(), so it's most likely stuck on the
USB device as well.

Send rude email to lunux-usb-devel, join queue ;)
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