sdhci timeout on imx8mq

Angus Ainslie angus at
Fri Dec 18 15:45:28 EST 2020

Hi Lucas,

Thanks for the ping, I've been meaning to get back to this.

On 2020-12-18 12:07, Lucas Stach wrote:
> Hi all,
> Am Mittwoch, dem 08.07.2020 um 01:32 +0000 schrieb BOUGH CHEN:
>> -----Original Message-----
>> From: Fabio Estevam [mailto:festevam at]
>> Sent: 2020年7月7日 20:45
>> To: Angus Ainslie <angus at>
>> Cc: BOUGH CHEN <haibo.chen at>; Ulf Hansson
>> <ulf.hansson at>; Guido Günther <agx at>; linux-mmc
>> <linux-mmc at>; Adrian Hunter <adrian.hunter at>;
>> dl-linux-imx <linux-imx at>; Sascha Hauer
>> <kernel at>;
>> <linux-arm-kernel at>
>> Subject: Re: sdhci timeout on imx8mq
>> Hi Angus,
>> On Tue, Jun 30, 2020 at 4:39 PM Angus Ainslie <angus at> wrote:
>> > Has there been any progress with this. I'm getting this on about
>> > 50%
>> > of
>> Not from my side, sorry.
>> Bough,
>> Do you know why this problem affects the imx8mq-evk versions that are
>> populated with the Micron eMMC and not the ones with Sandisk eMMC?
> Hi Angus,
> Can you show me the full fail log? I do not meet this issue on my side,
> besides, which kind of uboot do you use?

I have not seen this on any of my devices running 5.9.x but I think 
there have been reports of this still failing so I'll try and find out 
whether it's with the 5.9.x kernel or newer.

We're using a modified imx u-boot

> Has there been any progress on this issue? I'm now hitting this on a
> system that just upgraded from 5.4 to 5.10. Has anyone tried bisecting
> this issue, yet?

We have other issues with 5.10 right now so it hasn't had much testing.


> Regards,
> Lucas

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