On Thu, 19 Mar 2020 at 20:12, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> 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@oe-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@xxxxxxxxxx> 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! Kind regards Uffe