When opening several (about 30) saved HTML pages at once in Firefox all video freezes and it becomes impossible to switch TTYs probably because the keyboard stops responding.
I can reproduce this problem always and I have done it under:
XFCE with compiz + emerald
XFCE with xfwm
XFCE with no WM
Gnome 3 under Wayland (though Firefox uses XWayland)
Sometimes the screen freezes, sometimes it goes black, sometimes the image distorts or changes its colours. Sometimes the mouse pointer is still movable.
lsmod, dmesg and Xorg.log attached for the times I reproduced today.
# System info
% uname -a
Linux localhost 4.0.5-1-ARCH #1 SMP PREEMPT Sat Jun 6 18:37:49 CEST 2015 x86_64 GNU/Linux
% lspci | grep VGA
01:00.0 VGA compatible controller: NVIDIA Corporation GK104M [GeForce GTX 670MX] (rev a1)
# Relevant packages
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-- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.
You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/199.