[mythtv-users] 0.20: Using the Qt painter, then nothing

[Tim Newsome]

Tim Newsome wrote:

> I just upgraded my backend to 0.20 (actually the latest gentoo ebuild which is
> called mythtv-0.20_p11444). It works great, both as frontend and backend.
> However, on my wife's machine (running Kubuntu 6.10) 0.20 doesn't work right.
> I get the same behavior both with the Kubuntu package, and a mythfronted I
> built myself. (Just downloaded .20, configure && make && make install.) Here's
> what I get on the console. This session is from gdb, but the output is the
> same without it:
...
> libGL warning: 3D driver claims to not support visual 0x4b
> 2006-10-31 19:52:25.252 Using the Qt painter
> 
> Program received signal SIGINT, Interrupt.
> [Switching to Thread -1247775056 (LWP 23034)]
> 0xffffe410 in __kernel_vsyscall ()
> (gdb) bt
> #0  0xffffe410 in __kernel_vsyscall ()
> #1  0xb5c43979 in ioctl () from /lib/tls/i686/cmov/libc.so.6
> #2  0xb5a37f0d in drmGetLock () from /usr/lib/libdrm.so.2
> #3  0xb482de68 in mgaGetLock () from /usr/lib/dri/mga_dri.so
> #4  0xb47e9e72 in mgaInitDriverFuncs () from /usr/lib/dri/mga_dri.so
> #5  0x082740a0 in ?? ()
> #6  0x00000000 in ?? ()
> (gdb)

It turns out to be a problem with the mga drivers. Ubuntu Edgy comes with
1.4.1. Grabbing Debian 1.4.2 drivers fixes the problem. There's a discussion
of a different problem here:
https://launchpad.net/distros/ubuntu/+source/xorg/+bug/58721
but the solution is the same. Grab the .deb from
http://www.ime.usp.br/~pjssilva/xserver-xorg-video-mga_1.4.2.dfsg.1-1_i386.deb
and
dpkg -i that.

Tim
-- 
Tim Newsome  nuisance.at.casualhacker.net  http://www.casualhacker.net/