Re: kernel BUG at mm/rmap.c:483!

["Ammar T. Al-Sayegh" <ammar@kunet.com>]

----- Original Message ----- 
From: "Arjan van de Ven" <arjan@infradead.org>
To: "Ammar T. Al-Sayegh" <ammar@kunet.com>
Cc: <linux-kernel@vger.kernel.org>
Sent: Wednesday, February 23, 2005 5:01 PM
Subject: Re: kernel BUG at mm/rmap.c:483!


> On Wed, 2005-02-23 at 16:45 -0500, Ammar T. Al-Sayegh wrote:
>> > On Wed, 2005-02-23 at 15:41 -0500, Ammar T. Al-Sayegh wrote:
>> >> Hi All,
>> >> 
>> >> I recently installed Fedora RC3 on a new server.
>> >> The kernel is 2.6.10-1.741_FC3smp. The server
>> >> crashes every few days. When I examine /var/log/messages,
>> >> I find the following line just before the crash:
>> >> 
>> >> Feb 22 23:50:35 hostname kernel: ------------[ cut here ]------------
>> >> Feb 22 23:50:35 hostname kernel: kernel BUG at mm/rmap.c:483!
>> >> 
>> >> No further debug lines are given to diagnose the
>> >> source of the 
>> > no oops at all?
>> 
>> No. Is there a way to enable the kernel to give more
>> diagnostic debug output next time this error happens?
> 
> not really; it was supposed to do that already
> 
>> i2c_dev                13249  0 
>> i2c_core               24513  1 i2c_dev
> 
> try for fun to not use i2c for a while
> 
>> microcode              11489  0 
> same for microcode... try removing that so that the microcode of your
> system doesn't get updated at boot

What do these two modules do in particular? and how can I disable
them so that they don't get reloaded during boot time? do I need
to disable both i2c_dev and i2c_core or just one of them?

Thanks.


-ammar