Hi Jan, Am 22.06.19 um 20:40 schrieb Jan Kratochvil: > On Sat, 22 Jun 2019 10:59:29 +0200, Stefan Wahren wrote: >> it does matter, because there is zero free documentation about the >> sdhost controller on the BCM2835. > "Kingston C16G JAPAN, SDC2", bought in 2009. > > >> Raspbian uses their downstream sdhost driver >> bcm2835-sdhost, while Fedora the mainline driver bcm2835. This one was >> derived from the downstream one around kernel 4.12. > So why not to update upstream kernel from the downstream one again... this won't work. During upstreaming process there has been a lot of changes to get this driver mainline. So we can't simply merge them again. We need to finding the offending upstream commit and revert it. > > >>> # I have verified now that it is a regression >>> # since (as this kernel boots fine directly from my Kingston MicroSD): >>> # Fedora-Server-29-1.2.aarch64.raw.xz = kernel-4.18.16-300.fc29.aarch64 >> Thanks this is very helpful. Could you please test Fedora kernel 4.19 >> and 5.0 for aarch64? This would narrow down the issue much more. > I have tried to put the kernel-4.18.16-300.fc29 driver > drivers/mmc/host/bcm2835.c into kernel-5.1.12-300.fc30: > https://people.redhat.com/jkratoch/bcmbug.diff > https://koji.fedoraproject.org/koji/taskinfo?taskID=35710809 > > And it booted without any error - normally it fails in 60-100 seconds after > boot like: > [ 70.246299] sdhost-bcm2835 3f202000.mmc: timeout waiting for hardware interrupt. > > But then with my custom built kernel I ran 'dnf distro-sync' and it failed > again, just later: > [ 1059.688583] sdhost-bcm2835 3f202000.mmc: timeout waiting for hardware interrupt. > [ 1059.793528] sdhost-bcm2835 3f202000.mmc: bcm2835_read_wait_sdcmd: timeout (100 ms) > ... > [ 1060.341279] sdhost-bcm2835 3f202000.mmc: bcm2835_read_wait_sdcmd: timeout (100 ms) > [ 1060.346235] sdhost-bcm2835 3f202000.mmc: previous command never completed. > [ 1060.350784] print_req_error: I/O error, dev mmcblk0, sector 9965568 flags 1 > [ 1060.350832] mmc0: card 495c removed > [ 1060.355420] EXT4-fs warning (device mmcblk0p3): ext4_end_bio:318: I/O error 10 writing to inode 8907 (offset 0 size 2572288 starting block 1245986) > [ 1060.366554] Buffer I/O error on device mmcblk0p3, logical block 932129 > > OK, I see maybe I will give up and just buy a newer MicroSD card... It would be helpful to send me this card and i'll try to fix this. Stefan > > Thanks, > Jan Kratochvil > _______________________________________________ > arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: https://lists.fedoraproject.org/archives/list/arm@xxxxxxxxxxxxxxxxxxxxxxx _______________________________________________ arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/arm@xxxxxxxxxxxxxxxxxxxxxxx