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Hi. I found a very strange behaviour under 2.4.0test5. Building bttv in
the kernel didn't help a lot. When I insert the module bttv, with options
card=0 pll=0 exactly as I did in 2.2.16, the system waits one or two minutes
and after that, the prompt gets back. If I enter 'lsmod', it says that the bttv
module is unused, and sadly, if you try to load xawtv, instead of saying
"Oh, you don't have /dev/video, sorry.", system freezes completely and you must
hard-reset the machine.
One interesting thing is that in the delay, modprobe gets all the CPU
available.
The path to freeze is:
root@snuggle:~# insmod bttv card=0 pll=0
Using /lib/modules/2.4.0-test5/misc/bttv.o
[after 3 minutes]
root@snuggle:~# lsmod
Module Size Used by
tuner 2948 0 (autoclean) (unused)
bttv 52064 0 (unused)
root@snuggle:~# xawtv
(Some messages detecting the card and...)
CRUNCH.
I have the output of "strace insmod bttv card=0 pll=0", if you could
need it.
If I don't run xawtv, but try to remove the modules from the kernel,
the messages are these:
root@snuggle:~# lsmod
Module Size Used by
tuner 2948 0 (autoclean) (unused)
bttv 52064 0 (unused)
root@snuggle:~# rmmod bttv
root@snuggle:~# lsmod
Module Size Used by
tuner 2948 0 (autoclean) (unused)
root@snuggle:~# rmmod tuner
Segment violation
root@snuggle:~# lsmod
Module Size Used by
tuner 0 0 (deleted)
root@snuggle:~#
I'm using binutils-2.3.11 on Debian potato.
If you try to insmod again the bttv module...well, I can't wait so much
time :-(. "strace -p <pid-of-insmod>" doesn't says _anything_, and remains
quiet. Stracing this strace gives:
wait4(<pid-of-insmod>,
and nothing more.
I also have the corresponding /var/log/messages entries, and I can send
the output of lspci, lspci -n and lspci -v.
See you.
David.
- --
Responsable de News
Servicios de red - Network services
Centro de Comunicaciones CSIC/RedIris
Madrid (Spain)
Tlf 91.585.49.05
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