linux-kernel - Re: unable to handle kernel paging request when inserting FAT32 formatted flash media

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Date:	Mon, 2 May 2011 22:33:27 +0200
From:	Tino Keitel <tino.keitel@...ei.de>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: unable to handle kernel paging request when inserting FAT32
 formatted flash media

On Tue, May 03, 2011 at 03:46:31 +0900, OGAWA Hirofumi wrote:
> Tino Keitel <tino.keitel@....de> writes:
> 
> > On Tue, May 03, 2011 at 00:12:33 +0900, OGAWA Hirofumi wrote:
> >> OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> writes:
> >> 
> >> > Tino Keitel <tino.keitel@...ei.de> writes:
> >> >
> >> >> On Mon, May 02, 2011 at 08:49:45 +0200, Tino Keitel wrote:
> >> >>> Hi,
> >> >>> 
> >> >>> when I insert a CF or SD card from my cameras into the USB card reader,
> >> >>> I get the attached kernel oops. This is reproducible and did not happen
> >> >>> with 2.6.38.
> >> >>
> >> >> Forgot to mention: the bug occurs with 2.6.39-rc5.
> >> >
> >> > There is no related change in fs/fat after 2.6.38. So, the cause would
> >> > be other area. Anyway, I'll see detail a bit.
> >> 
> >> BTW, is this reproducible? And could you send .config both of 2.6.38 and
> >> 2.6.39-rc5?
> >
> > Yes, it is reproducible. It happens with a CF card from a Canon DSLR as
> > well as with a SD card from a little Fuji cam. Configs are attached.
> 
> .config didn't have interest part for now. Could you send another oops,
> and vfat.ko, fat.ko? I'd like to see more detail by assembler, current
> oops is unclear...

Another Oops, this time with the SD card, and the modules are attached.

> And if possible, git bisect is appreciate.

Lack of spare time currently, sorry.

Regards,
Tino
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