Testing xserver-xorg-video-intel_2.1.1-0ubuntu7~bwh1_i386.deb with EXA
acceleration:
VT switch OK, suspend/resume ok, video ok. Video playing while switching
to VT1 and back - "blue screen" on the video output window
(kaffeine/libxine/xv), and the X server resets after a couple of
seconds. No useful info in Xor.0.log.old, it ends with the following:
(II) intel(0): [drm] removed 1 reserved context for kernel
(II) intel(0): [drm] unmapping 8192 bytes of SAREA 0xf8afd000 at 0xb7bd7000
(EE) intel(0): I830 Vblank Pipe Setup Failed 0
(EE) intel(0): I830 Vblank Pipe Setup Failed 0
(EE) intel(0): I830 Vblank Pipe Setup Failed 0
(II) intel(0): xf86UnbindGARTMemory: unbind key 0
(II) intel(0): xf86UnbindGARTMemory: unbind key 1
(II) intel(0): xf86UnbindGARTMemory: unbind key 2
(II) intel(0): xf86UnbindGARTMemory: unbind key 3
(II) intel(0): xf86UnbindGARTMemory: unbind key 4
(II) intel(0): xf86UnbindGARTMemory: unbind key 5
but kdm.log has some interesting stuff:
Error in I830WaitLpRing(), timeout for 2 seconds
pgetbl_ctl: 0x7ffc0001 pgetbl_err: 0x0
ipeir: 0 iphdr: 1810000
LP ring tail: 2250 head: 2244 len: 1f801 start 0
eir: 0 esr: 0 emr: ffff
instdone: ffc0 instpm: 0
memmode: 306 instps: f0000
hwstam: fffe ier: a2 imr: 0 iir: 250
Ring at virtual 0xa7934000 head 0x2244 tail 0x2250 count 3
000021c4: 00000000
000021c8: 02000011
000021cc: 00000000
000021d0: 02000011
000021d4: 00000000
000021d8: 02000011
000021dc: 00000000
000021e0: 02000011
000021e4: 00000000
000021e8: 02000011
000021ec: 00000000
000021f0: 02000011
000021f4: 00000000
000021f8: 02000011
000021fc: 00000000
00002200: 02000011
00002204: 00000000
00002208: 02000011
0000220c: 00000000
00002210: 02000011
00002214: 00000000
00002218: 02000011
0000221c: 00000000
00002220: 02000011
00002224: 00000000
00002228: 02000011
0000222c: 00000000
00002230: 02000011
00002234: 00000000
00002238: 02000011
0000223c: 00000000
00002240: 01810000
00002244: 00000000
Ring end
space: 131052 wanted 131064
Fatal server error:
lockup
(EE) intel(0): I830 Vblank Pipe Setup Failed 0
(EE) intel(0): I830 Vblank Pipe Setup Failed 0
(EE) intel(0): I830 Vblank Pipe Setup Failed 3
(EE) intel(0): I830 Vblank Pipe Setup Failed 3
--
laptop hangs when switching video mode
https://bugs.launchpad.net/bugs/127101
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