Re: zaurus: mmcblk0: error -110

From: Cyril Hrubis
Date: Tue Apr 12 2011 - 18:43:41 EST

> > Tried 2.6.39-rc3 both with and without CONFIG_MMC_UNSAFE_RESUME and the
> > insert/remove detection works but both with and without unsafe resume, if the
> > card is removed for more than second or two it fails to recognize the card
> > after insertion failing with:
> >
> > mmc0: error -95 whilst initialising SD card
> That's interesting. Would you mind trying to bisect? (Knowing whether
> 2.6.38 final does it, for example, would be very helpful.)

It may need one or two tries on 2.6.38 but it's there too.

> There aren't many -EOPNOTSUPP returns in the stack. I see:
> card/block.c: mmc_blk_issue_secdiscard_rq and mmc_blk_issue_discard_rq
> card/core.c: mmc_erase
> core/sd_ops.c: mmc_app_cmd
> Mind doing some instrumentation to figure out which it is?

Fails in the mmc_app_cmd.

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