I've been using http://people.canonical.com/~sconklin/precise-revert-
4c443ec/ for an hour and everything seems perfect now
I can do more tests or collect more info if needed:
uname -a
Linux sergio-System-Product-Name 3.2.0-41-generic #65~spcreverted30ae292 SMP
Mon Apr 22 17:00:01 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 42
model name : Intel(R) Core(TM) i5-2300 CPU @ 2.80GHz
stepping : 7
microcode : 0x14
cpu MHz : 1600.000
....
lspci -v -s `lspci | awk '/VGA/{print $1}'`
VGA compatible controller: Intel Corporation 2nd Generation Core Processor
Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device 844d
Flags: bus master, fast devsel, latency 0, IRQ 53
Memory at fe000000 (64-bit, non-prefetchable) [size=4M]
Memory at c0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
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https://bugs.launchpad.net/bugs/1140716
Title:
[regression] 3.5.0-26-generic and 3.2.0-39-generic GPU hangs on
Sandybridge
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