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
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