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). A.