[Nouveau] [Bug 20857] Xorg hangs when starting with nouveau

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=20857





--- Comment #4 from Stuart Bennett <sb476 at cam.ac.uk>  2009-04-04 12:53:25 PST ---
Also, an mmiotrace of this card using the nvidia proprietary driver would be
very interesting.  Detailed instructions are at
http://nouveau.freedesktop.org/wiki/MmioTrace , but for a sufficiently new
kernel:

mount -t debugfs debugfs <somewhere>
echo mmiotrace > <somewhere>/tracing/current_tracer
modprobe nvidia
cat <somewhere>/tracing/trace_pipe > ~/mmiotrace
startx

before starting X will suffice (assuming the nvidia proprietary driver to
previously be installed and working).


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