linux-kernel - Re: tests of kernel modules

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Message-ID: <20061118143903.GA4974@martell.zuzino.mipt.ru>
Date:	Sat, 18 Nov 2006 17:39:03 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Pavol Gono <palo.gono@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: tests of kernel modules

On Sat, Nov 18, 2006 at 04:23:06AM +0100, Pavol Gono wrote:
> After resolving http://bugzilla.kernel.org/show_bug.cgi?id=7481
> I was thinking about possibilities how to prevent such bugs with
> testing. Usually just few insmods and rmmods show, whether the
> initialization and cleanup code of module is ok or not.
>
> I created a script which do the automatic job of finding all modules
> and inserting/removing them (see attachment). On my Lifebook E8110,
> kernel 2.6.18.2, the following modules were problematic:
> arptable_filter pktgen rfcomm rpcsec_gss_krb5 sdhci xt_NFQUEUE
> Kernel logs usually say "BUG: unable to handle kernel paging request
> at virtual address ..." or "BUG: unable to handle kernel NULL pointer
> dereference at virtual address 00000000".
>
> When trying knoppix 5.0.1, my script causes total freeze quickly.
> Is it worth to report each buggy module to bugzilla?

Yes. To mainline bugzilla. or to relevant mailing lists (linux-kernel,
netdev, ...) Be sure to use latest mainline kernel.

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