[mythtv-users] Serious performance issues with Fedora Core 3 & MythTV

Carl Lewis carl at dpiwe.tas.gov.au
Fri May 6 05:24:45 UTC 2005


> Ah whoops, I wasn't reading. Is there any way to get around this without 
> having to recompile my kernel? I've only done that once before and I 
> killed a week in the process.
> _______________________________________________
Pretty sure it is. It's documented fairly well on ATI
forums at www.rage3d.com. But basically
download the kernel source and use the config that's
stashed under the build directory for the distributed FC3 kernel
(probably /lib/modules/2.6.10.blah.blah.blah_FC3/build/.config)

To use it just copy it to the top level
of your unpacked source code and run a make oldconfig
once thats done ( and a few questions asked and answered if
you've upgraded kernel versions) you can either hand edit
or run make xconfig and change what needs changing.

For the very cautious/faint of heart, I think it's just the
agpart to module and change the build tag so you
don't clobber the FC3 kernel (just in case :-)
(You may need to make the DRI stuff modular too)

make
make modules_install
make install

reboot
done :-)

I can mail you my .config for 2.6.11.x if you'd like, but
you'd need to patch your fglrx (simple patch) and re-install it.
Which reminds me that's the other gotcha, it's worth checking the
build logs under /lib/modules/fglrx (?) as it
sometimes fails silently if the rpm -i has
had to compile during installation
and you end up with a not quite right generic fglrx driver.

Cheers
Carl.



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