Messages in this thread | | | Date | Wed, 14 Feb 2018 20:24:54 +0100 | From | Michal Suchánek <> | Subject | Re: [PATCH 1/2] mmc: bcm2835: reset host on timeout |
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On Wed, 14 Feb 2018 17:49:31 +0100 Stefan Wahren <stefan.wahren@i2se.com> wrote:
> Hi Michal, > > [add Phil] > > Am 14.02.2018 um 17:13 schrieb Michal Suchánek: > > On Wed, 14 Feb 2018 16:36:49 +0100 > > Michal Suchánek <msuchanek@suse.de> wrote: > > > >> On Wed, 14 Feb 2018 15:58:31 +0100 > >> Stefan Wahren <stefan.wahren@i2se.com> wrote: > >> > >>> Hi Michal, > >>> > >>> Am 14.02.2018 um 15:38 schrieb Michal Suchanek: > >>>> The bcm2835 mmc host tends to lock up for unknown reason so reset > >>>> it on timeout. The upper mmc block layer tries retransimitting > >>>> with single blocks which tends to work out after a long wait. > >>>> > >>>> This is better than giving up and leaving the machine broken for > >>>> no obvious reason. > >>> could you please provide more information about this issue > >>> (affected hardware, kernel config, version, dmesg, reproducible > >>> scenario)? > > It tends to reproduce when upgrading a few packages with zypper and > > otherwise at random during system operation. It seems that for my > > card it worsens with age to some degree so perhaps it depends on the > > fragmentation of the internal card flash. > > > > Attaching dmesg and kernel config. > > do you noticed this issue before 4.15-rc4?
I initially noticed it with 4.4 kernel with some backports to make it bootable on RPi. > > Could you please test with 4.15 final again?
Right, I can apply the patches on something more recent.
> > What kind of SD card (name) triggers the issue?
Samsung EVO MB-MP16D
Also see https://elinux.org/RPi_SD_cards#Which_SD_card.3F
Thanks
Michal
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