Hi!
> > When I insert the mmc card to zaurus, it gets properly detected and prints some
> > info into console. Mounting reading/writing files works fine.
> >
> > However when the card is removed (doesn't need to be mounted before), the
> > removal is most likely not detected, so when I insert it again, no info is
> > printed into console and moreover when I try to mount it zaurus goes into
> > infinite loop printing:
> >
> > Buffer I/O error on device mmcblk0p1, logical block 9
> > mmcblk0: error -110 sending status command
> > mmcblk0: error -110 sending read/write command, response 0xb00, card status 0xb00
> > end_request: I/O error, dev mmcblk0, sector 257
> > Buffer I/O error on device mmcblk0p1, logical block 10
> > ...
> >
> > Related part of the .config:
> >
> > #
> > # OTG and related infrastructure
> > #
> > # CONFIG_USB_GPIO_VBUS is not set
> > # CONFIG_USB_ULPI is not set
> > # CONFIG_NOP_USB_XCEIV is not set
> > CONFIG_MMC=y
> > # CONFIG_MMC_DEBUG is not set
> > CONFIG_MMC_UNSAFE_RESUME=y
>
> Your symptoms match the bug that was fixed by:
>
> bad3babace2ee4d ("mmc: fix CONFIG_MMC_UNSAFE_RESUME regression")
>
> but this fix made it into 2.6.38, so if you're using 2.6.38 final then
> you shouldn't be seeing this. Could you confirm that you have this
> patch?
It seems that the pxa tree I have is still based on 2.6.38-rc8.
And yes, turning CONFIG_MMC_UNSAFE_RESUME off seems to fix that problem.
I'll try to update the kernel tree and try again with CONFIG_MMC_UNSAFE_RESUME
enabled.
--
metan
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