Hello, On Thu, 1 May 2014 01:14:37 +0900 Izumi Tsutsui <tsut...@ceres.dti.ne.jp> wrote:
> skrll@ wrote: > > > I'm still seeing issues with my cobalt, but I'll keep hunting. > > Probably all mips port MD bus_dma.c > (in arc, cobalt, emips, ews4800mips, hpcmips, mipsco, pmax, sgimips) > need the similar fix as mips/bus_dma.c rev 1.28. > (only algor, evbmips and sbmips use mips/bus_dma.c) Hmm, the data corruption when piping stuff between processes seems to be gone, but I still see occasional corruption when accessing files, so bus_dma is definitely a reasonable suspect. On Loongson ( which uses mips/bus_dma.c IIRC ) I see corruption only when writing via nfs, on sgimips it's apparently any file access, but it takes a lot longer to trigger. have fun Michael
