Date: Tue, 5 Feb 2008 01:50:04 GMT From: p9_gkvye <p9_gkvye@yahoo.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/120262: 6.3-RELEASE i386; [drm] "0MB"; no dri with i915G Message-ID: <200802050150.m151o4Xq093320@freefall.freebsd.org>
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The following reply was made to PR kern/120262; it has been noted by GNATS.
From: p9_gkvye <p9_gkvye@yahoo.com>
To: bug-followup@FreeBSD.org
Cc:
Subject: Re: kern/120262: 6.3-RELEASE i386; [drm] "0MB"; no dri with i915G
Date: Mon, 4 Feb 2008 17:31:56 -0800 (PST)
[WORKAROUND]
I now have DRI. I removed a 256-MB RAM module,
equalizing the RAM to 1 GB per channel, and the
machine now operates in dual-channel mode. On boot,
[drm] still reports 0MB, but the i810 driver in xorg
sees the kernel reporting positive memory, and
I830CheckAvailableMemory finds almost 2GB available.
When I wrote that I was using the same hardware as
with 6.1 in 2006, I had forgotten about adding RAM in
the interim. (I had not run 6.1 since the great xorg
upgrade last spring, and I skipped 6.2.) At that time
I had a single 256-MB module operating in
single-channel mode -- apparently having the second
channel empty did not create the same problem I've had
recently.
It seems odd that the RAM would make a difference, but
I confirmed the workaround by re-installing the 256-MB
module, and again lost DRI; I removed it once more,
and DRI returned.
END
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