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[Bug 564376] Re: Lucid - radeon kms causes iwl3945 to drop connection on youtube but not with mainline

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Øyvind Stegard <oyvinst@xxxxxxxxxx>
Date: Sat, 05 Jun 2010 20:59:59 -0000
Reply-to: Bug 564376 <564376@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Since Intel users are also affected by this, the problem might be caused
by some common parts of kernel KMS DRM code shared between intel and
radeon. It has been suggested the IRQ handling in DRM (latency) might be
cause of problem, in upstream fdo bug28106. Would be great to get this
*extremely* annoying bug fixed...

@dfme:
1. Does problem go away if you boot kernel with "i915.modeset=0" option (KMS disabled) ?
2. Ubuntu 9.10 does not use KMS, which is believed to be triggering these problems.

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Lucid - radeon kms causes iwl3945 to drop connection on youtube but not with mainline
https://bugs.launchpad.net/bugs/564376
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