Re: [VT-d reboot problems] Re: [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known to require PCI reboot
On Tue, Jan 31, 2012 at 1:15 PM, Ingo Molnar wrote: > > (added KVM folks to the Cc:) > > * Bastien ROUCARIES wrote: > >> Ping^2 >> >> Bastien >> On Mon, Jan 23, 2012 at 11:28 AM, Bastien ROUCARIES >> wrote: >> > On Mon, Jan 16, 2012 at 8:21 PM, H. Peter Anvin wrote: >> >> On 01/16/2012 03:27 AM, Bastien ROUCARIES wrote: >> >> Does it work if you disable VT-d in the firmware? If so, then adding it >> to the reboot method blacklist is the wrong fix - we need to figure out >> why VT-d interferes with Dell's reboot code. >> >>> >> >>> Yes it work >> >>> >> >> >> >> This is particularly so since we are very close to having a full Dell >> >> model catalogue in the kernel... >> > >> > Ping ? Do you need some dump ? testing ? > > So disabling VT-d in the BIOS fixes the reboot problem and > Matthew Garrett suggests we should figure out why and how VT-d > on this Dell box interferes with the reboot method. > > Thanks, > > Ingo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
[VT-d reboot problems] Re: [PATCH] x86 / reboot: Blacklist Dell OptiPlex 990 known to require PCI reboot
(added KVM folks to the Cc:) * Bastien ROUCARIES wrote: > Ping^2 > > Bastien > On Mon, Jan 23, 2012 at 11:28 AM, Bastien ROUCARIES > wrote: > > On Mon, Jan 16, 2012 at 8:21 PM, H. Peter Anvin wrote: > >> On 01/16/2012 03:27 AM, Bastien ROUCARIES wrote: > > Does it work if you disable VT-d in the firmware? If so, then adding it > to the reboot method blacklist is the wrong fix - we need to figure out > why VT-d interferes with Dell's reboot code. > >>> > >>> Yes it work > >>> > >> > >> This is particularly so since we are very close to having a full Dell > >> model catalogue in the kernel... > > > > Ping ? Do you need some dump ? testing ? So disabling VT-d in the BIOS fixes the reboot problem and Matthew Garrett suggests we should figure out why and how VT-d on this Dell box interferes with the reboot method. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
