Solution by memilanuk in #30 seems to work for me too. After installing bumblebee I have not experienced the bug anymore.
lspci |grep VGA 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02) 01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [NVS 3100M] (rev a2)
Its a Lenovo T410
Solution by memilanuk in #30 seems to work for me too. After installing bumblebee I have not experienced the bug anymore.
lspci |grep VGA
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [NVS 3100M] (rev a2)
Its a Lenovo T410