On 25.04.2018 09:21, Christoph Hellwig wrote: > On Sat, Apr 21, 2018 at 07:43:46PM +0200, Helge Deller wrote: >> This patch breaks a 32bit kernel on a B160L machine (PA7300LC CPU, "pcxl2"). >> After applying this patch series the lasi82956 network driver works unreliable. >> NIC gets IP, but ping doesn't work. >> See drivers/net/ethernet/i825xx/lasi_82596.c, it uses dma*sync() functions. > > Just to confirm: Without the series it is known to actually work? Yes. I reverted this series from my tree, rebuilt, and then the issue was gone. I won't be able to test again earlier than next week. Helge