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Subject: [gentoo-user] gentoo-sources-2.6.29-r1 - Intel unable to pin 'front buffer'
From: Mark Knecht <markknecht@gmail.com>
To: gentoo-user@lists.gentoo.org
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I am still having horrid problems with my wife's machine segfaulting
when running any application using xv video. I read some posts in
other forums by a couple of folks stating they had similar problems
which were solved by updating a bunch of stuff, one fo them being the
kernel to 2.6.29, so I'm attempting to get that working now. In the
past I've generally done this by taking a copy of a recent .config
file, running make oldconfig and then make && make modules_install.
Unfortunately in this case when I try to boot 2.6.29-gentoo-r1 I'm
left with some messages as the X server fails to get going:


X.Org X Server 1.5.3
Release Date: 5 November 2008
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.27-gentoo-r10 i686
Current Operating System: Linux dragonfly 2.6.29-gentoo-r1 #3 SMP
PREEMPT Wed Apr 22 14:30:51 PDT 2009 i686
Build Date: 21 April 2009  11:18:30AM

        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
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: Wed Apr 22 15:09:49 2009
(EE) Unable to locate/open config file
New driver is "intel"
(==) Using default built-in configuration (30 lines)
(EE) Failed to load module "fbdev" (module does not exist, 0)
(EE) intel(0): Failed to pin front buffer: Cannot allocate memory

Fatal server error:
Couldn't bind memory for BO front buffer

   Under 2.6.27 I get the message about the fbdev module not exiting
but it doesn't cause problems. (That I know of) However with 2.6.29 I
cannot start X.

QUESTIONS:

1) I took fbdev to be something frame buffer oriented, but possibly
it's 'front buffer' and now required? (I.e. - fbdev in make.conf...)

2) If not, then what kernel options or packages do I need to load to
allow the intel driver to pin a front buffer.

Thanks,
Mark