Please see this debdiff[0]. Essentially, add one line to /etc/modprobe.d
/alsa-base:
install snd /sbin/modprobe --ignore-install snd $CMDLINE_OPTS && {
/sbin/modprobe -Qb snd-seq ; }
Then, immediately a fresh boot /without/ any modifications (e.g., using
an Edgy Beta live cd), is the system freeze still reproducible on non-
Creative Labs hardware lacking hardware MIDI when you start Rosegarden?
For clarity:
1) Append the install.. line (above) to /etc/modprobe.d/alsa-base
2) Reboot into a pristine Dapper or Edgy environment
3) Check that snd-seq (and snd-seq-midi) is (are) loaded via ``lsmod|grep
^snd_seq''
4) Start Rosegarden and attempt to reproduce the hard freeze
Note for testing that you should /not/ start ``timidity -iA'' between
steps (3) and (4)!
Also note that I've never been able to trigger said freeze on my
hardware (uses snd-intel8x0), even when I don't use the sequence I just
described, so I'm most interested in users of non-Creative Labs hardware
lacking hardware MIDI.
[0] http://librarian.launchpad.net/4796837/alsa-
driver_1.0.11-5ubuntu2.debdiff
--
Hardlock of entire system (Dapper Flight 5)
https://launchpad.net/bugs/34831
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