On Sat, Jan 19, 2013 at 9:44 AM, Deucher, Alexander <alexander.deuc...@amd.com> wrote: >> -----Original Message----- >> From: Shuah Khan [mailto:shuahk...@gmail.com] >> Sent: Friday, January 18, 2013 7:40 PM >> To: Linus Torvalds; Deucher, Alexander >> Cc: Linux Kernel Mailing List >> Subject: Re: Linux 3.8-rc4 >> >> On Fri, Jan 18, 2013 at 3:37 PM, Shuah Khan <shuahk...@gmail.com> wrote: >> > On Fri, Jan 18, 2013 at 10:51 AM, Shuah Khan <shuahk...@gmail.com> >> wrote: >> >> > >> > ok. I bisected the DMAR faults and it points to the following commit: >> > >> > 909d9eb67f1e4e39f2ea88e96bde03d560cde3eb >> > >> > This commit as I recall, fixed the crash problem I was seeing back in >> > 3.8-rc1. Reverting to see if crash problem reappears. >> >> Confirming that with this commit reverted crash problem re-appeared. >> With this commit, DMAR faults show up. > > I'm not quite sure what's going on with your system. At this point it's > probably best to just disable the DMA ring on these cards until we sort out > what's going on. The attached patch disables the use of the DMA ring. Let > me know if it fixes the issues you are seeing. >
I applied this patch to 3.8-rc4 and didn't fix the DMAR faults. -- Shuah -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/