linux-kernel - Re: LKFT: arm x15: mmc1: cache flush error -110

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Date:   Fri, 20 Mar 2020 10:49:54 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        Sasha Levin <sashal@...nel.org>,
        Sowjanya Komatineni <skomatineni@...dia.com>,
        Jon Hunter <jonathanh@...dia.com>,
        Bitan Biswas <bbiswas@...dia.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Jens Axboe <axboe@...nel.dk>,
        Alexei Starovoitov <ast@...nel.org>,
        linux-block <linux-block@...r.kernel.org>,
        lkft-triage@...ts.linaro.org,
        open list <linux-kernel@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        John Stultz <john.stultz@...aro.org>,
        Faiz Abbas <faiz_abbas@...com>,
        Thierry Reding <treding@...dia.com>,
        Anders Roxell <anders.roxell@...aro.org>,
        Kishon <kishon@...com>
Subject: Re: LKFT: arm x15: mmc1: cache flush error -110

On Fri, Mar 20, 2020 at 10:20:04AM +0100, Ulf Hansson wrote:
> On Thu, 19 Mar 2020 at 20:12, Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
> >
> > FYI,
> >
> > The arm device x15 running stable rc 4.19.112-rc1, 5.4.27-rc1 and 5.5.11-rc2
> > kernel pops up the following messages on console log,
> > Is this a problem ?
> >
> > [ 0.000000] Linux version 4.19.112-rc1 (oe-user@...host) (gcc version
> > 7.3.0 (GCC)) #1 SMP Thu Mar 19 12:55:45 UTC 2020
> >
> > [   15.737765] mmc1: unspecified timeout for CMD6 - use generic
> > [   16.754248] mmc1: unspecified timeout for CMD6 - use generic
> > [   16.842071] mmc1: unspecified timeout for CMD6 - use generic
> > ...
> > [   20.580541] mmc1: unspecified timeout for CMD6 - use generic
> > [   20.588216] mmc1: unspecified timeout for CMD6 - use generic
> > [   20.604011] mmc1: unspecified timeout for CMD6 - use generic
> >
> > ref:
> > https://lkft.validation.linaro.org/scheduler/job/1298207#L4037
> > https://lkft.validation.linaro.org/scheduler/job/1298945#L4132
> > https://lkft.validation.linaro.org/scheduler/job/1299973#L4232
> 
> The commit below is the problem, it shouldn't be applied for stable.
> 
> commit 533a6cfe08f96a7b5c65e06d20916d552c11b256
> Author: Ulf Hansson <ulf.hansson@...aro.org>
> Date:   Wed Jan 22 15:27:47 2020 +0100
> mmc: core: Default to generic_cmd6_time as timeout in __mmc_switch()
> 
> Let me sort it out with Greg/Sasha. I will keep you in the loop,
> thanks for reporting!

Now dropped from the 4.19, 5.4, and 5.5 stable queues, sorry for the
noise.

greg k-h