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Bug#539400: xserver-xorg-video-intel: X performance drops and X crashes



Package: xserver-xorg-video-intel
Version: 2:2.8.0-1
Severity: important

Hello,

starting with 2:2.8.0-1 xserver-xorg-video-intel leads to X eating 100%
CPU when running applications like firefox, even simple xterms lead to
high load.
Furthermore, when I try to play some video with mplayer (vo=xv), the X
server crashes immediately.
I'm running it on an Asus P5E-V HDMI with Intel G35 chipset.
Downgrading to 2:2.7.1-1 solves these issues.

I'm not sure if this belongs somehow to #535300 - it sounds similar.
However, #535300 is marked as fixed in 2:2.7.99.901-2.

$ lspci -v ...
00:02.0 VGA compatible controller: Intel Corporation 82G35 Express Integrated Graphics Controller (rev 03) (prog-if 00 [VGA controller])
        Subsystem: ASUSTeK Computer Inc. Device 8276
        Flags: bus master, fast devsel, latency 0, IRQ 30
        Memory at fe600000 (32-bit, non-prefetchable) [size=1M]
        Memory at d0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at bc00 [size=8]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: <access denied>

00:02.1 Display controller: Intel Corporation 82G35 Express Integrated Graphics Controller (rev 03)
        Subsystem: ASUSTeK Computer Inc. Device 8276
        Flags: bus master, fast devsel, latency 0
        Memory at fe700000 (32-bit, non-prefetchable) [size=1M]
        Capabilities: <access denied>

$ COLUMNS=72 dpkg -l libdrm-intel1 libdrm2 libxv1 libxvmc1 xserver-xorg-core linux-image-2.6.30-1-686-bigmem
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  libdrm-intel1  2.4.12-1       Userspace interface to intel-specific kernel
ii  libdrm2        2.4.12-1       Userspace interface to kernel DRM services -
ii  libxv1         2:1.0.4-1      X11 Video extension library
ii  libxvmc1       1:1.0.4-2      X11 Video extension library
ii  linux-image-2. 2.6.30-3       Linux 2.6.30 image on PPro/Celeron/PII/PIII/
ii  xserver-xorg-c 2:1.6.2.901-1  Xorg X server - core server

Please let me know if I can provide more evidence.


regards
   Mario
-- 
It is practically impossible to teach good programming style to students
that have had prior exposure to BASIC: as potential programmers they are
mentally mutilated beyond hope of regeneration.  -- Dijkstra

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