On 20.7.2015. 0:41, Mike Larkin wrote: > On Mon, Jul 20, 2015 at 12:38:19AM +0200, Hrvoje Popovski wrote: >> On 20.7.2015. 0:06, Mark Kettenis wrote: >>> The acpi code that reads and writes pci config space is quite busted. >>> It always does byte-sized reads and writes even if the aml specifies >>> an access size of four bytes. This made vmware unhappy, because it >>> expetcs to see a magic value being written into a 32-bit register and >>> not the individual bytes. But even on real hardware registers with >>> semantics like that exist. >>> >>> The diff below fixes this issue by respecting the access size. It >>> still does read/modify write cycles for 16-bit and 8-bit writes, but >>> those should be ok. >>> >>> I can't even imagine all the different acpi issues this might fix or >>> introduce. So please try this on as many machines as you can and >>> report any regressions. >>> >>> >> >> >> Hi, >> >> I have applied you patch on ibm x3550 m4 and box won't boot. >> I'm not sure is this because your patch or not. If yes I will post >> everything that i can in this thread, if not I will open other thread. >> >> Here's link to screenshot. >> http://kosjenka.srce.hr/~hrvoje/zaprocvat/ibm_x3550_m4_01 >> >> > > I'm pretty sure that's a different problem. But thanks for pointing this out. > > -ml >
ok... to open other thread?
