I finally got around to testing xserver-xorg-video-intel -
2:2.21.3+git20130308.78c75612-0ubuntu0sarvatt~quantal that was published
in 08/03/10 and associated updates.
Happy to say that these seem to have pretty much resolved all issues
that I've raised in this bug.
3d acceleration is back,
Oh, here: https://bugs.freedesktop.org/show_bug.cgi?id=57495
** Bug watch added: freedesktop.org Bugzilla #57495
https://bugs.freedesktop.org/show_bug.cgi?id=57495
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This should handle the kernel regression more gracefully:
commit ef5edbf61686388126e62ce360a66dd8652b2493
Author: Chris Wilson ch...@chris-wilson.co.uk
Date: Sun Mar 3 09:29:53 2013 +
sna: Probe for kernel support of framebuffer formats
References:
Thanks Chris, I'll keep an eye out for it and test when it comes down
the pipe.
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https://bugs.launchpad.net/bugs/1135403
Title:
xserver-xorg-video-intel
Oh well, it exposes critical bugs in mesa, so reverted. Yet again.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Fix Released
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That's a shame, I've noted a couple of extra placed where regressions
are making themselves known, though I'm not entirely sure if they're
related 100% to this bug.
1. Flash video in Firefox is broken and does not render correctly. This is not
the case in Google Chrome.
2. Transparent
Yes, those are symptomatic of the renders not being pixelformat-aware
and just getting it wrong.
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Title:
Chris, Thanks for looking into this and also for your continued updates.
I pulled the changes down this afternoon and although they seem to have
corrected the discolouration issue with my external monitor they have
also introduced new regressions that have led to a loss of 3d rendering
altogether
Sounds like whatever was causing your setup to run in clone mode rather
than as an extended desktop was also fixed (that should have been an
issue caused by something other than -intel). However, libGL does not
support hw acceleration to surfaces larger than 2048 on 945gm and so all
the GL
Sorry, I should have added that lack of 3d acceleration is a problem no
matter if I'm using my external monitor (which I usually use as single
display with the laptop monitor off not in extended or clone mode) or
my laptop's built in display.
This means I've not been attempting to push 3d
My first thought is that it is still trying to use extended modes - can
you attach your Xorg.0.log from a failed boot?
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Sure thing, see attached.
** Attachment added: Xorg.0.log
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1135403/+attachment/3553846/+files/Xorg.0.log
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This is getting weirder:
[16.025] (II) intel(0): switch to mode 1280x800 on crtc 4 (pipe 1)
[16.025] (EE) intel(0): get_fb: failed to add fb: 1280x800 depth=15,
bpp=16, pitch=4096: 22
[16.025] (WW) intel(0): failed to restore desired modes on VT switch
[16.025] (II) intel(0):
Done
** Attachment added: dmesg
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1135403/+attachment/3553875/+files/dmesg
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I don't see the telltale failure message in that dmesg. Do you mind
recapturing it?
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Title:
xserver-xorg-video-intel
My mistake, turned the option on for the wrong kernel entry. This should
be better.
** Attachment added: dmesg
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1135403/+attachment/3554527/+files/dmesg
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There will be an update in xorg-edgers in the next day or so that should
fix up the discoloration - please let me know your opinion on the
reduced depth rendering.
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Sorry about the delay, its up in edgers now but will need about 4 hours
to build because of the backlog.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Incomplete
** Changed in: xorg (Ubuntu)
Status: New = Invalid
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** Tags added: edgers
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Title:
xserver-xorg-video-intel regression (Intel 945GM) [xorg-edgers]
To manage notifications about this bug go
** Also affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
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Title:
Grey tones now all render in pink, see attached screenshot.
That would appear to be a result of me playing with reducing the
DefaultDepth to 16 on these bandwidth constrained devices. Hmm, if used
a default depth of 15 that should prevent that discoloration. (It's been
a useful exercise but I
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