On Sat, 2013-03-09 at 21:57 +0000, Dixon Craig wrote:
> Hello and thank you to all linuxtv developers!
>
> I have my hauppuage pvr-1600 working very nicely for us-cable analog and
> composite inputs using cx18 from original linuxmint 13 MATE 64 and I also tried
> newest drivers from git.linuxtv.org.
>
> My problem is cx18_alsa prevents successful suspend to disk when I run hibernate
> script.
>
> I cannot unload module before hibernating because modprobe -r returns "FATAL:
> Module cx18_alsa is in use."
>
> lsmod does not list dependancies but lists 1 in use. here is my lsmod output:
>
> dixon2@phenom ~ $ lsmod | grep cx
> cx18_alsa 13730 1
> cx18 131960 1 cx18_alsa
> dvb_core 105885 1 cx18
> cx2341x 28283 1 cx18
> i2c_algo_bit 13423 1 cx18
> videobuf_vmalloc 13589 1 cx18
> videobuf_core 26022 2 cx18,videobuf_vmalloc
> tveeprom 21249 1 cx18
> v4l2_common 21560 4 cs5345,tuner,cx18,cx2341x
> videodev 135159 5 cs5345,tuner,cx18,cx2341x,v4l2_common
> snd_pcm 97275 3 cx18_alsa,snd_hda_intel,snd_hda_codec
> snd 79041 18
> cx18_alsa,snd_hda_codec_via,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_ra
> wmidi,snd_seq,snd_timer,snd_seq_device
>
>
> I have tried stopping all sound services (alsa-restore, alsa-store, and
> pulseaudio) then running modprobe -r on all the above listed modules but they
> all return the same "in use" error.
pulseaudio respawns when you kill it. pulseaudio is likely the process
keeping the CX23418 ALSA device node open: use 'ps axf' and 'fuser' as
root on the /dev/snd/pcm* and /dev/snd/control* nodes to verify.
You have these options:
# killall pulseaudio; modprobe -r cx18_alsa; killall pulseaudio;
modprobe -r cx18_alsa; killall pulseaudio; modprobe -r cx18_alsa
or
# pactl (some arcane arugments to get pulseaudio to let go of the cx18
ALSA /dev/ nodes)
or
# pacmd
> (some arcane commands to get pulseaudio to let go of the cx18
ALSA /dev/ nodes)
> exit
or
# find /lib/modules/`uname -r` -name "cx18-alsa.ko" -exec mv {}
{}.backup \; -print
# shutdown -r now
Regards,
Andy
> I have tried Lubuntu 12.04 with the same hardware and nvidia graphics driver
> using same kernel 3.2.0-38 and I can successfully rmmod cx18_alsa and hibernate
> computer. In Lubuntu, lsmod reports cx18_alsa is used by "0" other modules and
> it rmmods without a problem.
>
>
> Is there any other trick I can use to remove cx18_alsa module from kernel?
>
> Thank you
>
> Dixon
>
>
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