Re: PROBLEM: Unable to handle kernel paging request

From: Randy Dunlap
Date: Mon Aug 08 2011 - 14:48:45 EST

On Mon, 08 Aug 2011 14:41:48 +0200 Josef Lusticky wrote:

> 1.
> I get kernel panic when loading and unloading presented modules saying
> BUG: Unable to handle kernel paging request.
> 2.
> I've written short script that finds all available modules on system and
> tries to
> load and unload them - see attachment or
> I've tried several machines with different kernels and architectures
> and always got kernel panic, oops or not responding system.
> The problem is the panic is always caused by different module on
> different machines and with different kernels but some of call traces
> are similar and they always begin with "BUG: unable to handle kernel
> paging request at" + address.
> I've been using module-init-tools 3.9 and 3.16 (most recent).
> Here are examples of output:
> stable kernel 3.0 on x86_64 machine:

Now that pastebin is working again:

The 3.0 oops is fixed by this git commit:
which was merged on July 28.
Dave Miller wrote that he would submit it for -stable also.

Um, same fix for the oops.

BTW, just putting the kernel oops logs inline in the email (or even as
attachments) is usually preferable to making someone use a web browser
to view them.

> stable kernel on x86_64 machine:
> stable lts kernel on x86_64 machine:
> stable lts kernel on i386 machine:
> The problem does not occur when loading and unloading one module.
> The problem does not occur after certain amounts of loaded modules.
> When I choose a different order of modules (e.g. using sort) I get panic
> on different module.

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