linux-kernel - Re: [2.6.21] kernel panic

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Message-ID: <20070506164944.GA15682@vanheusden.com>
Date:	Sun, 6 May 2007 18:49:44 +0200
From:	Folkert van Heusden <folkert@...heusden.com>
To:	Jiri Kosina <jikos@...os.cz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [2.6.21] kernel panic

Hi,

> > A few moments ago a system of mine running 2.6.21 on a P4 with
> > hyperthreading, 2GB ram, IDE disk, crashed:
> > [10371.128320] BUG: unable to handle kernel paging request at virtual address 00100100
> > [10371.128419]  printing eip:
> [...]
> > [10371.131825] EIP is at hiddev_send_event+0xa1/0xd3
> 
> I will look into it. Are you able to reproduce the problem, or did it 
> happen just randomly? Is there any userspace driver using the hiddev 
> interface at the moment it crashes?
> There have been no changes in the hiddev code for a pretty long time.

It is the first time this happened altough with 2.6.21 I get relatively
frequent warnings of circular locks dependencies. This is the first time
it was followed by an oops.
Connected via hid are 2 temperature sensors and an UPS. Has been running
fine for ages.


Folkert van Heusden

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