From: Geoff Levand <geoffrey.levand@am•sony.com>
To: Bogdan Antonovici <bantonovici@priority•mb.ca>
Cc: linuxppc-dev <linuxppc-dev@ozlabs•org>,
linuxppc-embedded@ozlabs•org, ppckernel <ppckernel@ppckernel•org>
Subject: Re: swap_dup: Bad swap file entry 00480020
Date: Fri, 05 Aug 2005 14:12:44 -0700 [thread overview]
Message-ID: <42F3D64C.2040800@am.sony.com> (raw)
In-Reply-To: <00ca01c599f1$a2411730$cd01a8c0@DESIGNLAB>
BTW, I posted a fix for a bug in the 2.6 page table attribute
settings for PPC440 that cause corruption when swapping. I
don't know if is the same for 2.4.
http://patchwork.ozlabs.org/linuxppc/patch?id=1458
-Geoff
Bogdan Antonovici wrote:
> Dan,
>
> It hasn't crashed since i corrected that pointer initialization in
> driver. You were right.
> Thank you.
> Bogdan
>
> ----- Original Message -----
> From: Dan Malek <mailto:dan@embeddededge•com>
> To: bogdan antonovici <mailto:bantonovici@priority•mb.ca>
> Cc: linuxppc-dev <mailto:linuxppc-dev@ozlabs•org> ;
> linuxppc-embedded@ozlabs•org <mailto:linuxppc-embedded@ozlabs•org> ;
> ppckernel <mailto:ppckernel@ppckernel•org>
> Sent: Thursday, July 21, 2005 12:59 PM
> Subject: Re: swap_dup: Bad swap file entry 00480020
>
>
> On Jul 21, 2005, at 11:29 AM, bogdan antonovici wrote:
>
>
>>At the time of swap messages i was running a proprietary driver, my
>>application and few daemons.
>
>
> Looks like your driver may have written over some of the page
> tables in the kernel space.
>
>
>>I look on the net for some clues but it's quite confusing, i noticed
>>many emails on swap_dup/swap_free error messages but i couldn't figure
>>out what should i search for.
>
>
> Those messages are likely due to a bug with swapping to disk
> that has been in some 2.4 kernels, but I don't believe that is
> the case here, since you don't have a disk or swapping enabled.
>
>
> -- Dan
>
>
>
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@ozlabs•org
> https://ozlabs.org/mailman/listinfo/linuxppc-dev
prev parent reply other threads:[~2005-08-05 21:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-21 15:29 swap_dup: Bad swap file entry 00480020 bogdan antonovici
2005-07-21 17:59 ` Dan Malek
2005-07-21 18:14 ` Bogdan Antonovici
2005-07-22 15:46 ` bogdan antonovici
2005-07-22 12:57 ` Marcelo Tosatti
2005-07-25 13:16 ` Bogdan Antonovici
2005-07-25 17:36 ` Benjamin Herrenschmidt
2005-08-05 19:12 ` Bogdan Antonovici
2005-08-05 19:29 ` Dan Malek
2005-08-05 21:12 ` Geoff Levand [this message]
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