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Date: Fri, 02 May 2008 13:29:04 +0200 From: Mirco Tischler <mt-ml@....de> To: linux-kernel <linux-kernel@...r.kernel.org>, Dave Airlie <airlied@...hat.com>, Ingo Molnar <mingo@...e.hu>, Venki Pallipadi <venkatesh.pallipadi@...el.com> Subject: [BUG]: video output freezes in 2.6.26-rc0 Hello When I switch to a tty and back to X by ctrl+alt+f?, my display does not refresh anymore. Actually I can move the mouse, but the background and windows and so on aren't refreshed properly. My dmesg shows me the following: ... [ 31.501826] [drm] Initialized i915 1.6.0 20060119 on minor 0 [ 32.040748] Xorg:6040 /dev/mem expected mapping type write-back for d0970000-e0000000, got uncached-minus [ 32.041877] Xorg:6040 /dev/mem expected mapping type write-back for d22c0000-e0000000, got uncached-minus [ 32.042936] Xorg:6040 /dev/mem expected mapping type write-back for d2b30000-e0000000, got uncached-minus [ 32.043900] Xorg:6040 /dev/mem expected mapping type write-back for d33a0000-e0000000, got uncached-minus [ 32.045042] Xorg:6040 /dev/mem expected mapping type write-back for d53a0000-e0000000, got uncached-minus [ 32.919212] Xorg:6040 /dev/mem expected mapping type write-back for d077f000-d0970000, got uncached-minus [ 32.919325] Xorg:6040 /dev/mem expected mapping type write-back for d0970000-d22c0000, got uncached-minus [ 32.919359] Xorg:6040 /dev/mem expected mapping type write-back for d22c0000-d2b30000, got uncached-minus [ 32.919393] Xorg:6040 /dev/mem expected mapping type write-back for d2b30000-d33a0000, got uncached-minus [ 32.919513] Xorg:6040 /dev/mem expected mapping type write-back for d33a0000-d53a0000, got uncached-minus [ 32.920143] Xorg:6040 /dev/mem expected mapping type write-back for d53a0000-e0000000, got uncached-minus [ 33.281296] Xorg:6040 /dev/mem expected mapping type write-back for d077f000-d0970000, got uncached-minus [ 33.281553] Xorg:6040 /dev/mem expected mapping type write-back for d0970000-d22c0000, got uncached-minus [ 33.281644] Xorg:6040 /dev/mem expected mapping type write-back for d22c0000-d2b30000, got uncached-minus [ 33.281730] Xorg:6040 /dev/mem expected mapping type write-back for d2b30000-d33a0000, got uncached-minus [ 33.282051] Xorg:6040 /dev/mem expected mapping type write-back for d33a0000-d53a0000, got uncached-minus [ 33.283707] Xorg:6040 /dev/mem expected mapping type write-back for d53a0000-e0000000, got uncached-minus [ 59.349482] trying to get vblank count for disabled pipe 0 [ 59.363209] trying to get vblank count for disabled pipe 0 [ 59.373358] trying to get vblank count for disabled pipe 0 [ 59.385475] trying to get vblank count for disabled pipe 0 [ 59.430674] trying to get vblank count for disabled pipe 0 [ 59.933359] trying to get vblank count for disabled pipe 0 [ 60.039022] trying to get vblank count for disabled pipe 0 [ 60.150277] trying to get vblank count for disabled pipe 0 [ 60.208734] trying to get vblank count for disabled pipe 0 ... Eventually, the first (Xorg:6040) messages seem to be known already (http://marc.info/?l=linux-kernel&m=120612742217604&w=2). They disappear if I disable X86_PAT. However, the vblank messages and the actual problem described above don't. So probably this are two unrelated problems, but chances exist they aren't so I put them in one message. This appeared first in 2.6.26-rc0. My hardware is a intel notebook with 965 graphics and Xserver 7.3. KConfig attached. Any more info needed? Thanks Mirco Sorry for html-crap. once again without that View attachment "config-experimental" of type "text/plain" (55140 bytes) Download attachment "signature.asc" of type "application/pgp-signature" (190 bytes)
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