This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
lucid' to 'verification-done-lucid'.
If verification is not done by 5 working days from
** Changed in: linux
Importance: Unknown = Critical
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Title:
URGENT for upcoming release: Resolutions requiring dual link DVI on
radeon
** Changed in: linux
Importance: Critical = Unknown
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Title:
URGENT for upcoming release: Resolutions requiring dual link DVI on
radeon
This bug was fixed in the package linux - 2.6.32-23.37
---
linux (2.6.32-23.37) lucid-proposed; urgency=low
[ Alex Deucher ]
* SAUCE: drm/radeon/kms/atom: fix dual-link DVI on DCE3.2/4.0
- LP: #564559
[ Andy Whitcroft ]
* [Config] ports -- build in dm-mod to enable LVM
** Branch linked: lp:ubuntu/lucid-proposed/linux-mvl-dove
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URGENT for upcoming release: Resolutions requiring dual link DVI on radeon
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** Branch linked: lp:ubuntu/lucid-proposed/linux-ec2
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URGENT for upcoming release: Resolutions requiring dual link DVI on radeon
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The patch noted in comment two to resolve this issue was accepted
upstream as of 2.6.34-rc5. Since Maverick has most recently rebased
with upstream as of 2.6.35-rc3 it already includes the patch. As a
result I'm updating the Maverick nomination for this bug from Fix
Committed to Fix Released.
Works for me. Steps I took test:
1) I edited /etc/grub/default and commented-out the line
GRUB_CMDLINE_LINUX=nomodeset
2) I enabled lucid-proposed and did a reload in Synaptic
3) I installed the linux-image-2.6.32-23-generic package
After a hard-reboot, KMS appears to work correctly, and
** Tags added: verification-done
** Tags removed: verification-needed
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URGENT for upcoming release: Resolutions requiring dual link DVI on radeon
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** Also affects: linux (Ubuntu Maverick)
Importance: High
Assignee: Tim Gardner (timg-tpi)
Status: Fix Committed
** Changed in: linux (Ubuntu Maverick)
Milestone: lucid-updates = maverick-alpha-2
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URGENT for upcoming release: Resolutions requiring dual link DVI on radeon
Accepted linux into lucid-proposed, the package will build now and be
available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!
** Tags added: verification-needed
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@thehighhat:
as described in the freedesktop bug on my side it works with UMS
(radeon.modeset=0 boot command, I think nomodeset has been
deprecated). Although I use the xorg-edgers PPA drivers, not the
official Lucid ones. Give it a shot.
This bug is clearly about radeon and just provides a fix
OK. I was unaware that nomodeset was deprecated. Fair enough.
*.modeset=0 does not work for either the nvidia or radeon hardware. I
actually tried this first before settling on nomodeset.
I do not see how this bug is marked fixed. It seems that requiring a
user to add special boot options
last thing... I am not suggesting that the freedesktop bug 27001 is not
fixed.i only mean that the packages/configuration in the Lucid
release is not fixed.
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URGENT for upcoming release: Resolutions requiring dual link DVI on radeon
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On Thu, May 27, 2010 at 03:59:03PM -, thehighhat wrote:
OK. I was unaware that nomodeset was deprecated. Fair enough.
It's not deprecated.
--
Steve Langasek Give me a lever long enough and a Free OS
Debian Developer to set it on, and I can move the
@Steve: You are 100% right, Sir. Mixed that up with some other things in
my brain... :-)
@thehighhat: The fix for the duallink DVI radeon KMS is not using UMS
and the xorg-edgers PPA. It is just a workaround for now and only for
radeon. The real fix is the patch I provided wit comment #2.
If
** Tags added: kernel-graphics
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ubuntu-bugs
Can the bug summary title be changed?
This may help the bug gain some visibility.
Finally, it is not Fixed at all, even in lucid-updates. This too
should change.
Currently it suggest the issue is pre-release and limited to radeon.
This is not the case. Dual-link DVI at 2560x1600 (professional
This is still an issue for this hardware:
HP LP3065 (2560x1600 native)
on Tyan S7025
with NVIDIA GTX285 and ATI/AMD 5850 gpus.
This KMS bug is a showstopper. The monitor is unusable. nomodeset does not
fix the issue.
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URGENT for upcoming release: Resolutions requiring dual link DVI on
** Tags added: regression-release
** Tags removed: regression-proposed
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When will this problem fix released in Lucid ?
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Apparently not in 2.6.32-22.
On 04/21/2010 11:59 AM, Andy Whitcroft wrote:
Applied to Lucid.
-apw
So I thought it would make it into 2.6.32-22, which got released on
2010-04-28, but the only changes are:
linux (2.6.32-22.33) lucid-proposed; urgency=low
[ Andy Whitcroft ]
* SAUCE:
Ancoron, I misunderstood the problem described in this bug. i apologise
for causing confusion.
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An add-on to my previous comment: workaround is to disable kernel
modesetting: dual head works nicely. However I think that we want KMS,
don't we?
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URGENT for upcoming release: Resolutions requiring dual link DVI on radeon
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You
Kubuntu and Ubuntu are the same in terms of kernel/drm/kms stuff.
If you get a black screen after the boot splash you are not affected by
this bug.
In addition this bug is about a dual-link DVI issue and has nothing to
do with dual-head setups (remember, dual-link DVI is for digital signals
I have very similar problem with ATI Technologies Inc Radeon Mobility HD
3670.
By using latest upstream kernel (2.6.34-999-generic #201004211003) it is
possible to use dual head, but the cable for the external monitor may be
connected only after I log in.
If the cable is connected before login
** Changed in: linux (Ubuntu Lucid)
Status: In Progress = Fix Committed
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URGENT for upcoming release: Resolutions requiring dual link DVI on radeon
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** Summary changed:
- URGENT for upcomming release: Resolutions requiring dual link DVI on radeon
result in no display
+ URGENT for upcoming release: Resolutions requiring dual link DVI on radeon
result in no display
** Tags added: xorg-needs-kernel-fix
** Changed in: linux (Ubuntu)
** Changed in: linux (Ubuntu Lucid)
Assignee: Andy Whitcroft (apw) = Tim Gardner (timg-tpi)
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Adam, Anacron - Please confirm that the appropriate test kernel in
http://kernel.ubuntu.com/~rtg/lp564559 works for you.
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Yep, works here ( tried the amd64 generic kernel. )
Thanks Tim.
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SRU Justification
Impact: Radeon dual DVI fails to work
Patch Description: Detect that 2 monitors are connected and initialize
accordingly
Patch:
https://bugs.edge.launchpad.net/ubuntu/lucid/+source/linux/+bug/564559/comments/2
Test results:
Hi Tim. Sorry, not that it should make a difference but your
Impact/Description in #5 is slightly wrong. The impact is that dual-link
( not dual ) DVI fails to work, and the patch checks for a pixel clock
above that of single-link and initialises dual-link accordingly.
Thought that I'd better
Confirmed over here too, so all seems fine.
Adam is correct complaining about the description.
Nevertheless another problem solved for the final release. :-)
Now if someone can point me to the KMS KDE4 effects performance issue?
--
URGENT for upcoming release: Resolutions requiring dual link
As an SRU, ubuntu-10.04 is explicitly /not/ the right milestone :) -
setting to lucid-updates.
** Changed in: linux (Ubuntu Lucid)
Milestone: ubuntu-10.04 = lucid-updates
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URGENT for upcoming release: Resolutions requiring dual link DVI on radeon
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