Hi Aaro, Am 26.02.19 um 02:15 schrieb Aaro Koskinen: > Hi, > > On Sun, Feb 24, 2019 at 08:03:10PM +0100, Stefan Wahren wrote: >> Does the issue occur in v5.0-rc7 if you make sdhost use PIO mode >> (CONFIG_DMA_BCM2835=m)? > I don't get any timeout errors with DMA disabled. But the system > is much more unresponsive under load, and eventually there is a watchdog > reboot (15 sec. timeout). it will take some time for to setup this test scenario. Could you please do me a favor and test 4.20.12 which has some backports of recent mmc / DMA fixes. Thanks > A.