i915 regression in kernel 4.10

2016-12-20 Thread Konrad Rzeszutek Wilk
On Tue, Dec 20, 2016 at 09:42:46AM -0500, Konrad Rzeszutek Wilk wrote: > On Mon, Dec 19, 2016 at 03:16:44PM +0100, Juergen Gross wrote: > > On 19/12/16 13:29, Chris Wilson wrote: > > > On Mon, Dec 19, 2016 at 12:39:16PM +0100, Juergen Gross wrote: > > >> With recent 4.10 kernel the graphics isn't c

i915 regression in kernel 4.10

2016-12-20 Thread Konrad Rzeszutek Wilk
On Mon, Dec 19, 2016 at 03:16:44PM +0100, Juergen Gross wrote: > On 19/12/16 13:29, Chris Wilson wrote: > > On Mon, Dec 19, 2016 at 12:39:16PM +0100, Juergen Gross wrote: > >> With recent 4.10 kernel the graphics isn't coming up under Xen. First > >> failure message is: > >> > >> [ 46.656649] i91

i915 regression in kernel 4.10

2016-12-19 Thread Juergen Gross
On 19/12/16 13:29, Chris Wilson wrote: > On Mon, Dec 19, 2016 at 12:39:16PM +0100, Juergen Gross wrote: >> With recent 4.10 kernel the graphics isn't coming up under Xen. First >> failure message is: >> >> [ 46.656649] i915 :00:02.0: swiotlb buffer is full (sz: 1630208 bytes) > > Do we get a

i915 regression in kernel 4.10

2016-12-19 Thread Juergen Gross
With recent 4.10 kernel the graphics isn't coming up under Xen. First failure message is: [ 46.656649] i915 :00:02.0: swiotlb buffer is full (sz: 1630208 bytes) Later I see splats like: [ 49.393583] general protection fault: [#1] SMP [ 49.403800] Modules linked in: bridge stp llc

i915 regression in kernel 4.10

2016-12-19 Thread Chris Wilson
On Mon, Dec 19, 2016 at 12:39:16PM +0100, Juergen Gross wrote: > With recent 4.10 kernel the graphics isn't coming up under Xen. First > failure message is: > > [ 46.656649] i915 :00:02.0: swiotlb buffer is full (sz: 1630208 bytes) Do we get a silent failure? i915_gem_gtt_prepare_pages() is