From: Pierre Ossman <drzeus@drzeus.cx>
To: "raki john" <raki4652@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Crash in Kernel 2.6.22.1 after calling mmc_register_card
Date: Tue, 8 Jan 2008 20:44:24 +0100 [thread overview]
Message-ID: <20080108204424.19f4f414@poseidon.drzeus.cx> (raw)
In-Reply-To: <d2a348dd0801071531u5ecabd43i260639aae39b3ae@mail.gmail.com>
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On Mon, 7 Jan 2008 15:31:32 -0800
"raki john" <raki4652@gmail.com> wrote:
> Hi All,
>
> Please CC me on responses.
>
> I am working on a SD/MMC Host driver .
>
> I am getting kerenl oops after mmc_register_card () is called.
> i working on LINUX 2.6.22.1 kerenl.
>
> What might be the reason for this.
>
That's a rather central place for it to crash, so I'm doubtful it's a bug there. I'd guess some kind of memory corruption (an all to easy mistake to make when writing a new driver). Are you using DMA for the controller? If so, try using PIO and see if it stops oopsing.
Rgds
Pierre
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prev parent reply other threads:[~2008-01-08 19:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-07 23:31 raki john
2008-01-08 19:44 ` Pierre Ossman [this message]
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