Am 29.07.2013 17:01, schrieb Jan Kiszka: > On 2013-07-29 16:59, Andreas Färber wrote: >> Am 16.07.2013 17:31, schrieb Paolo Bonzini: >>> From: Jan Kiszka <jan.kis...@siemens.com> >>> >>> This restore the behavior prior to b018ddf633 which accidentally changed >>> the return code to 0. Specifically guests probing for register existence >>> were affected by this. >>> >>> Signed-off-by: Jan Kiszka <jan.kis...@siemens.com> >>> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> >> >> Unfortunately this negatively affects PReP: OpenHack'Ware booting Debian >> Etch prints: >> >> ERROR: WIN_READ_NATIVE_MAX : status 50 != 0x40 >> >> It does continue if one is patient enough. >> No problems before this commit. >> >> Any ideas, except that OHW may be doing Bad Things? > > Which accesses return different results now, PIO or MMIO? What did they > return prior to b018ddf633?
Would I have to locally apply Paolo's MMIO tracing patches to find out? My guess is as good as yours otherwise... ;) Andreas