Re: [REGRESSION][3.4-rc1] mmc0: Timeout waiting for hardware interrupt.

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Hi,

On Tue, Apr 03 2012, Hanspeter Spalinger wrote:
> Hi,
> My Laptop (HP Elitebook 8560p) started throw
> " mmc0: Timeout waiting for hardware interrupt." at updating from
> 3.3-rc7 to 3.4-rc1 and is no longer able to mount my SD-card.
>
> I bisected this and found the culprit to be:
> e6039832bed9a9b967796d7021f17f25b625b616 is the first bad commit
> commit e6039832bed9a9b967796d7021f17f25b625b616
> Author: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>
> Date:   Tue Mar 13 18:16:40 2012 +0100
>
>     mmc: sdhci-pci: Add MSI support
>
>     Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>
>     Signed-off-by: Chris Ball <cjb@xxxxxxxxxx>

So we're seeing chipsets from multiple vendors stop working after
enabling MSI.  Seems clear that we should revert Alexander's patch
for 3.4; perhaps we should turn MSI on using a whitelist instead?

Thanks,

- Chris.
-- 
Chris Ball   <cjb@xxxxxxxxxx>   <http://printf.net/>
One Laptop Per Child
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