I can confirm I'm recently facing the same issue. Not sure this is a graphics driver issue. Might have happened just after a kernel update.
uname -a shows :
Linux ggalibert-Latitude-E4310 3.2.0-58-generic #88-Ubuntu SMP Tue Dec 3 17:37:58 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Ubuntu 12.04 LTS 64-bit Intel® Core™ i5 CPU M 580 @ 2.67GHz × 4 Intel® Ironlake Mobile
I can confirm I'm recently facing the same issue. Not sure this is a graphics driver issue. Might have happened just after a kernel update.
uname -a shows :
Linux ggalibert- Latitude- E4310 3.2.0-58-generic #88-Ubuntu SMP Tue Dec 3 17:37:58 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
Ubuntu 12.04 LTS
64-bit
Intel® Core™ i5 CPU M 580 @ 2.67GHz × 4
Intel® Ironlake Mobile