From: Pierre Ossman <drzeus-list@drzeus.cx>
To: pHilipp Zabel <philipp.zabel@gmail.com>
Cc: rmk+lkml@arm.linux.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [MMC] Use own work queue
Date: Mon, 09 Oct 2006 23:04:59 +0200 [thread overview]
Message-ID: <452AB97B.5040309@drzeus.cx> (raw)
In-Reply-To: <74d0deb30610070717k17079940ybedbf94dc8af8460@mail.gmail.com>
pHilipp Zabel wrote:
>
> This patch makes pxamci stop working for me on a HTC Magician (PXA272).
> Switching from 2.6.18 to 2.6.19-rc1 I got a kernel panic:
>
> mmc0: clock 0Hz busmode 1 powermode 0 cs 0 Vdd 0 width 0
> PXAMCI: clkrt = 0 cmdat = 0
> VFS: Cannot open root device "mmcblk0p2" or unknown-block(0,0)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
>
> After removing this patch from 2.6.19-rc1, everything is working again.
> Are there any changes to pxamci.c needed to be compatible with it?
>
No, the drivers shouldn't be affected. As this is a root device, my
guess would be that you have a race in your bootup that is causing problem.
Are you using initrd for this device? And could you get a complete dmesg
dump?
Rgds
Pierre
next prev parent reply other threads:[~2006-10-09 21:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-01 12:42 [PATCH] [MMC] Use own work queue Pierre Ossman
2006-10-07 14:17 ` pHilipp Zabel
2006-10-09 21:04 ` Pierre Ossman [this message]
2006-10-13 7:56 ` Russell King
2006-10-15 9:40 ` pHilipp Zabel
2006-10-15 15:38 ` Russell King
2006-10-22 9:22 ` Pierre Ossman
2006-10-15 19:58 ` Pierre Ossman
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