I tried to reproduce this bug right after turning on the PC today, but everything worked fine, both with adblock enabled and disabled (no other addons).
A few hours of uptime later the bug seems to have slowly reappeared.
Affected sites so far: Launchpad (when opening many bug reports in tabs) and sites with flash usage (multiple youtube video tabs; multiple tabs of a message board with flash ads)
My first suspicion was high CPU load, but running CPUburn doesn't increase the frequency of the bug.
I tried to reproduce this bug right after turning on the PC today, but everything worked fine, both with adblock enabled and disabled (no other addons).
A few hours of uptime later the bug seems to have slowly reappeared.
Affected sites so far: Launchpad (when opening many bug reports in tabs) and sites with flash usage (multiple youtube video tabs; multiple tabs of a message board with flash ads)
My first suspicion was high CPU load, but running CPUburn doesn't increase the frequency of the bug.