Re: [Xen-devel] [PATCH v3] VT-d: add iommu=igfx option to workaround graphics issues

2015-08-05 Thread Wei Liu
On Wed, Aug 05, 2015 at 01:18:05PM +0100, Andrew Cooper wrote: > On 05/08/15 10:11, Ting-Wei Lan wrote: > > When using Linux >= 3.19 (commit 47591df) as dom0 on some Intel Ironlake > > devices, It is possible to encounter graphics issues that make screen > > unreadable or crash the system. It was r

Re: [Xen-devel] [PATCH v3] VT-d: add iommu=igfx option to workaround graphics issues

2015-08-05 Thread Andrew Cooper
On 05/08/15 10:11, Ting-Wei Lan wrote: > When using Linux >= 3.19 (commit 47591df) as dom0 on some Intel Ironlake > devices, It is possible to encounter graphics issues that make screen > unreadable or crash the system. It was reported in freedesktop bugzilla: > > https://bugs.freedesktop.org/show_

[Xen-devel] [PATCH v3] VT-d: add iommu=igfx option to workaround graphics issues

2015-08-05 Thread Ting-Wei Lan
When using Linux >= 3.19 (commit 47591df) as dom0 on some Intel Ironlake devices, It is possible to encounter graphics issues that make screen unreadable or crash the system. It was reported in freedesktop bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90037 As we still cannot find a prop