Re: GARTInit: WAS (Re: [gentoo-user] Re: OT - Need MythTV setup help (resend))

[Rumen Yotov <gentoo@mach.qrypto.org>]

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Hi,
On (02/01/06 11:21), Michael Sullivan wrote:
> On Sun, 2006-01-01 at 17:47 -0800, Bob Sanders wrote:
> > On Sun, 01 Jan 2006 16:57:32 -0600
> > Michael Sullivan <michael@espersunited.com> wrote:
> > 
> > 
> > > > 
> > > > The reason it was giving me the error was because mythbackend was
> > > > shutting down.  I ran mythbackend in a screen, detached the screen and
> > > > ran mythfrontend.  I did this twice.  Both times once mythfrontend
> > > > loaded I selected the Watch Live TV option and it showed me about a
> > > > second and a half of live TV and then froze.  Both times I had to Cntrl
> > > > +Alt+Backspace to get out of it.  I have a 1.33GHz P4 processor, so that
> > > > shouldn't be the problem.  Amazingly mythbackend is still running in the
> > > > screen.  Here's the output so far:
> > > > 
> > 
> > It seems that something is not stable with the X server or with the card drivers.  For now,
> > perhaps forget MythTV and just see if you can get a stable input running with something like
> > tvtime -
> > 
> > [ N] media-tv/tvtime (0.9.12):  High quality television application for use with video capture cards.
> > 
> > Perhaps some tweaking to /etc/X11/xorg.conf is needed or different params to the video card
> > driver to change some options.  If the system won't play live tv, without issue, messing with MythTV
> > won't fix it.
> > 
> > There are some suggestions here -
> > 
> > http://gentoo-wiki.com/HOWTO_Setup_MythTV#Video
> > 
> > Bob
> 
> I looked at the link you sent me.  Most of it didn't make sense to me.
> One part that did make sense was the 
> 
> http://gentoo-wiki.com/HOWTO_Setup_MythTV#X_Setup
> 
> I created a test user (to avoid screwing up my personal account) and
> copied to listed .xinitrc and .xsession information into testuser's
> counterparts of those files.  I started kdm and attempted to log in to a
> Custom session with testuser.  It kept spitting me back out at the login
> screen.  I asked to go back to the console and looked
> at /var/log/kdm.log.  There's a bunch of this:
> 
> X Window System Version 6.8.2
> Release Date: 9 February 2005
> X Protocol Version 11, Revision 0, Release 6.8.2
> Build Operating System: Linux 2.6.14-gentoo-r5 i686 [ELF]
> Current Operating System: Linux camille 2.6.14-gentoo-r5 #1 SMP Sun Jan
> 1 22:29:29 CST 2006 i686
> Build Date: 26 December 2005
>         Before reporting problems, check http://wiki.X.Org
>         to make sure that you have the latest version.
> Module Loader present
> Markers: (--) probed, (**) from config file, (==) default setting,
>         (++) from command line, (!!) notice, (II) informational,
>         (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> (==) Log file: "/var/log/Xorg.0.log", Time: Mon Jan  2 10:58:02 2006
> (==) Using config file: "/etc/X11/xorg.conf"
> (EE) GARTInit: Unable to open /dev/agpgart (No such file or directory)
> 
> 
> Holly said something about my kernel not being set up correctly when I
> was having this problem with gdm, but gdm works just fine.  Just kdm and
> the custom session.  How do I compile apg into my kernel to fix this?
> Here's my kernel config, created by genkernel:
> 
> #
> # Automatically generated make config: don't edit
> # Linux kernel version: 2.6.14-gentoo-r5
> # Sun Jan  1 22:22:04 2006
> #
> CONFIG_X86=y
> CONFIG_SEMAPHORE_SLEEPERS=y
> CONFIG_MMU=y
> CONFIG_UID16=y
> CONFIG_GENERIC_ISA_DMA=y
> CONFIG_GENERIC_IOMAP=y
> CONFIG_ARCH_MAY_HAVE_PC_FDC=y
>...SKIP... 
> 
> #
> # Ftape, the floppy tape device driver
> #
> # CONFIG_AGP is not set
==============^ switch this to ON plus the entry for your motherboard chips support.
> # CONFIG_DRM is not set
> 
> #
> # PCMCIA character devices
> #
> # CONFIG_SYNCLINK_CS is not set
> CONFIG_MWAVE=m
> CONFIG_RAW_DRIVER=m
> # CONFIG_HPET is not set
> CONFIG_MAX_RAW_DEVS=256
> # CONFIG_HANGCHECK_TIMER is not set
>...SKIP... 
> -- 
> gentoo-user@gentoo.org mailing list
> 
Assume you using genkernel without any modifications to kernel config?
Got interested why this doesn't work with KDM so here it is:
...BEGIN...
#emerge kdm -pv

These are the packages that I would merge, in order:

Calculating dependencies ...done!
[ebuild  N    ] kde-base/kdebase-pam-6  0 kB 
[ebuild  N    ] kde-base/khotkeys-3.5.0  USE="kdexdeltas -arts -debug -kdeenablefinal -xinerama" 22,688 kB 
[ebuild  N    ] kde-base/libkonq-3.5.0  USE="kdexdeltas -arts -debug -kdeenablefinal -xinerama" 0 kB 
[ebuild  N    ] kde-base/kdebase-data-3.5.0  USE="kdexdeltas -arts -debug -kdeenablefinal -xinerama" 0 kB 
[ebuild  N    ] kde-base/kicker-3.5.0  USE="kdexdeltas -arts -debug -kdeenablefinal -xinerama" 0 kB 
[ebuild  N    ] kde-base/kdesu-3.5.0  USE="kdexdeltas -arts -debug -kdeenablefinal -xinerama" 0 kB 
[ebuild  N    ] kde-base/khelpcenter-3.5.0  USE="kdexdeltas -arts -debug -kdeenablefinal -xinerama" 0 kB 
[ebuild  N    ] kde-base/kcminit-3.5.0  USE="kdexdeltas -arts -debug -kdeenablefinal -xinerama" 0 kB 
[ebuild  N    ] kde-base/kcontrol-3.5.0  USE="kdexdeltas opengl ssl -arts -debug -ieee1394 -kdeenablefinal -logitech-mouse -xinerama" 0 kB 
[ebuild  N    ] kde-base/kdm-3.5.0  USE="kdexdeltas pam -arts -debug -kdeenablefinal -xinerama" 0 kB 
...END...
Do you have "opengl" in your USE-flags (in "/etc/make.conf" file)?
If Yes this could explain why login fails only with KDM. Could be wrong here though ;-)
Solutions:
1.compile a new kernel with AGP support in it (see above in kernel config) or
2.remove 'opengl' from "make.conf" and rebuild all affected packages (emerge -N world -pv).
HTH.Rumen

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