I downgraded the following packages:
$ sudo apt-get install libgl1-mesa-dri=6.5.2-3ubuntu7 libgl1-mesa-glx=6.5.2-3ubuntu7 libgl1-mesa-dev=6.5.2-3ubuntu7 mesa-common-dev=6.5.2-3ubuntu7 mesa-utils=6.5.2-3ubuntu7 libglu1-mesa=6.5.2-3ubuntu7 libglu1-mesa-dev=6.5.2-3ubuntu7
and restarted the computer, but it didn't fix the problem. Maybe it's caused by some other package?
BTW, qemu is also affected by this bug, just in case it helps to track it down
I downgraded the following packages:
$ sudo apt-get install libgl1- mesa-dri= 6.5.2-3ubuntu7 libgl1- mesa-glx= 6.5.2-3ubuntu7 libgl1- mesa-dev= 6.5.2-3ubuntu7 mesa-common- dev=6.5. 2-3ubuntu7 mesa-utils= 6.5.2-3ubuntu7 libglu1- mesa=6. 5.2-3ubuntu7 libglu1- mesa-dev= 6.5.2-3ubuntu7
and restarted the computer, but it didn't fix the problem. Maybe it's caused by some other package?
BTW, qemu is also affected by this bug, just in case it helps to track it down