On Wed, Oct 5, 2011 at 11:28 AM, Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote: > On Tue, 4 Oct 2011 22:50:50 -0500 > Jon Mason <jdmason@xxxxxxxx> wrote: > >> On Tue, Oct 04, 2011 at 08:54:19PM +0100, Ben Hutchings wrote: >> > Using legacy interrupts and TLPs > 256 bytes on the SFC4000 (all >> > revisions) may cause interrupt messages to be replayed. In some >> > systems this results in a non-recoverable MCE. Early boards using the >> > SFC4000 set the maximum payload size supported (MPSS) to 1024 bytes >> > and we should override that. >> > >> > There are probably other devices with similar issues, so give this >> > quirk a generic name. >> > >> >> Looks good to me. If my MPS mess hasn't pissed off Linus >> sufficiently, you might try and get this into 3.1. >> >> Acked-by: Jon Mason <mason@xxxxxxxx> > > Just to confirm: this only occurs when you switch over to "performance" > mode and not by default, right? It could hit this in "safe" mode as well. But since MPS configuration is disabled by default in 3.1-rc9, it shouldn't be possible to hit this unless a boot arg is passed. > > If this happens with a stock kernel (after Jon's "disable MPS > configuration by default patch has landed) then we have something else > to fix as well... > > -- > Jesse Barnes, Intel Open Source Technology Center > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
