Hello folks,
Few weeks ago I've seen a problem in kaffeine, but did not have time at
all to check further wat was going on.I have a HVR1300 and a Nova-S SE
in this system, with stock modules from 2.6.20 (and now after fixing my
issue, 2.6.21). But the problem is something that might occur anytime,
unless a real fix is provided. I started to tell Michael Krufky last
night on IRC about it, and he asked me to post to the ML, so I rebooted
with my previous kernel and here it goes:
Kaffeine no longer detected my DVB adapters, even if at first glance the
device files where created under /dev/dvb/adpater...
Well, I didn't have time to check closer for few weeks, but recently I
did see that one frontend device was missing, like:
blues dvb # ls -al /dev/dvb/*
/dev/dvb/adapter0:
total 0
drwxr-xr-x 2 root root 100 May 9 2007 .
drwxr-xr-x 4 root root 80 May 9 2007 ..
crw-rw---- 1 root video 212, 4 May 9 2007 demux0
crw-rw---- 1 root video 212, 5 May 9 2007 dvr0
crw-rw---- 1 root video 212, 7 May 9 2007 net0
/dev/dvb/adapter1:
total 0
drwxr-xr-x 2 root root 120 May 9 2007 .
drwxr-xr-x 4 root root 80 May 9 2007 ..
crw-rw---- 1 root video 212, 68 May 9 2007 demux0
crw-rw---- 1 root video 212, 69 May 9 2007 dvr0
crw-rw---- 1 root video 212, 67 May 9 2007 frontend0
crw-rw---- 1 root video 212, 71 May 9 2007 net0
After inspecting dmesg I noticed that LNBP21 which seems to be also
needed by the Nova-S SE, was causing some little noise in dmesg
http://www.muresan.de/v4l-dvb/kernel-2.6.20_missing_lnbp21_dmesg.txt
well, it was actually missing, it might have gotten deselected during
kernel configuration when upgrading from 2.6.18 to 2.6.20 (because I
enabled customizing frontends, as I dislike seeing all those I don't
even have hardware for, loading), and I simply didn't explicitly enabled
LNBP21 in menuconfig under "Miscellaneous devices", because I did not
know that it's needed...
Anyway, the output in dmesg was suspect so I enabled the LNBP21 module
when upgrading to 2.6.21 like 2 days ago, and now the 2 DVB cards work.
Nevertheless, I wanted to point out that it seems that the frontend
which was found, namely the one from the HVR-1300 was hooked under the
DVB-S adapter (maybe by udev?), and thus none of the 2 cards where
actually usable (like I said, kaffeine refused to show them as detected).
Even if I might have done a mistake by customizing frontends selection
and failing to select all the needed one, I guess that the expected
behavior would have been to still wire the detected frontend to the
correct adapter, that way applications would have been able to detect
and work with at least that one. I don't even suspect this to be a
problem in some module for a specific card, it might be general, but you
guys surely can guess better or even more, know where to look for the
problem.
Regards,
Lucian
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