[Bug 296819] Re: Intrepid Compiz hangs on login for i945GM video cards

[Bryce Harrington]

With graphics cards, there are two pci id's.  From steve's lcpid -vvnn
output:

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
	Subsystem: Sony Corporation Device [104d:900e]

27a2 corresponds to a class of 945 chips that Intel puts out (8086 ==
Intel).  900e corresponds to a Sony (104d==Sony) integration of this
chip onto a particular motherboard.

This is why we always ask for 'lspci -vvnn' output, rather than just
lspci.  :-)


As to the root problem of the hang - currently there is not sufficient information in this bug report to troubleshoot the problem on the X side.  Hangs can be very hard to debug.  If the other reporters having this problem are also seeing it on 8086:27a2/104d:900e then it may make sense to blacklist them, but otherwise it would be better to get a real fix in the -intel driver.  To do that, please file a new bug via `ubuntu-bug -p xserver-xorg-video-intel`.  We would need a more detailed description of the problem, how to reproduce it, whether it occurs during boot or after using particular software, whether disabling compiz makes it go away or just reduces the frequency, and any other information that could help pinpoint the issue.

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Intrepid Compiz hangs on login for i945GM video cards
https://bugs.launchpad.net/bugs/296819
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