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Updating FC to 2.6.20 kernel
PostPosted: Thu Mar 22, 2007 9:50 am Reply with quote
bzlxj
 
Joined: 15 Feb 2007
Posts: 16




FYI-for fedora users.

When upgrading from 2.6.19 kernel to 2.6.20, the DVB module stopped loading correctly. I tried this with FC5 and FC6. The cx88-dvb module is not installing correctly (even though it was working with the 2.6.19 kernel.)

As root:

/sbin/insmod cx88-dvb

to get it working again. (or was it cx88_dvb?)

Don't know if this permanent or not... just trying to help.

The dmesg complaints center around ALSA not loading correctly for the cx88. But sound will work because, I'm guessing, the chip is being detected incorrectly and your sound card should still be fine.


Last edited by bzlxj on Fri Mar 23, 2007 8:55 pm; edited 1 time in total
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PostPosted: Thu Mar 22, 2007 9:51 am Reply with quote
bzlxj
 
Joined: 15 Feb 2007
Posts: 16




ALSO- having the signal strength working in the newer kernel is SWEEEEEET!
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PostPosted: Sat Apr 14, 2007 12:18 pm Reply with quote
Malibyte
 
Joined: 28 Aug 2006
Posts: 46
Location: Simi Valley, CA, USA




Due to problems with sound (went to 5.1, was using old ALSA drivers, which didn't cut it), I upgraded my Myth setup from Mandriva 2006 to 2007, along with the latest Myth RPMs from PLF (I believe they correspond to 0.20a svn version 13114 or thereabouts?). Anyway, I have most things working, but can't get HD playback right - it's jerky, with lots of dropped frames (though interestingly, no "prebuffering pauses" in the logs).

Under 2006, I was running an early (rc5) version of Linus' 2.6.18 kernel (2.6.18rc5) with the FC5 patches for 2.6.17 from pcHDTV.com. I got nice, smooth HD playback with no problems - WITHOUT XvMC.

Under 2007, I've tried (1) their stock kernel (2.6.17-5), (2) their newest multimedia kernel (2.6.17-14mm) and Linus' kernel 2.6.20 from kernel.org. Most of the sound issues are fixed (these use Alsa 1.0.13 or 1.0.14rc1 (2.6.20)) but I can't get the HD performance issue fixed.

When I compiled 2.6.20, I used CONFIG_HZ=300 (which has been recommended) - slightly better, but not much. I know that Nybbler is working on getting 2.6.20 working with his distro and has mentioned some patches he's using...I will ask him about them in that thread, but does anyone else know of any settings or patches to use with 2.6.20 that will get me my nice, smooth HD performance back? Can I use the pcHDTV patches for 2.6.17 on 2.6.20?

Hardware - AMD Turion-64 4000+, Asus K8N-E mobo, 2GB RAM, 2 pcHDTV 5500 tuners, NVidia 6200 AGP video card.

Thanks...Bob

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Updating FC to 2.6.20 kernel
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