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I'm running 13.04 on Asus UL30A

Process: Genuine Intel® CPU U7300 @ 1.30GHz × 2 Graphics: Mobile Intel® GM45 Express Chipset OS type: 64-bit

Everything completely freezes after every other a boot or suspend. No keyboard or mouse. It happens every other time. It freezes, I reboot and it works work. Next time I will reboot, it will freeze again.

This never happened with 12.10.

Any advice on how to fix this?

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It's possible you're seeing a GPU lockup.

I've experienced this on my Intel based Thinkpad X220 laptop, and there's a few bugs filed for various flavours of GPU lockup.

Such as this one:- https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1029443

May also be one of these upstream bugs:- https://bugs.freedesktop.org/show_bug.cgi?id=53379 https://bugs.freedesktop.org/show_bug.cgi?id=53385

Comment 4 & 5 on this bug give a suggestion which works for one user:- https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1043562

"Tim: please test with sna turned on, put this in /etc/X11/xorg.conf:

Section "Device"
 Identifier "intel"
 driver "intel"
 Option "Accelmethod" "sna"
EndSection

"

Might be worth a punt?

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Thanks.. I'll give it a try. – Max Jun 25 '13 at 21:36

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