ubuntu-x-swat team mailing list archive

[Daniel Manrique <daniel.manrique@xxxxxxxxxxxxx>]

Hi Brian and Bryce, thanks so much for looking at this problem.

Here's what I found (using Bryce's letters):

c. The problem still appears if I use xrandr to switch to another
resolution (say 1024x768) and then back to the default (1366x768). So
apparently no problem with gnome-display-properties.

b. (and as per Brian's suggestion) If I use any of the Ubuntu classic
sessions (either effects or no effects), the problem does NOT appear, so
this would appear to affect only systems running Unity.

d. We only noticed it when we tested beta1, where we ran the full suite
of manual tests with visual confirmation. The only thing I can say for
sure is that it didn't happen on Maverick :)

a. I did these verifications on the Dell 1545 where the original bug report was generated. It uses the radeon driver and has this card:
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc M92 LP [Mobility Radeon HD 4300 Series] [1002:9552] (prog-if 00 [VGA controller])

I also tested on the HP ProBook 6550b, with the intel driver (Arrandale chipset), lspci says:
VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])


I'll get working on the table for point "a" and post it back as soon as
I have it.

Thanks for your help!

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https://bugs.launchpad.net/bugs/753971

Title:
  Display garbled upon restoring original resolution or connecting
  external displays