Bug#690794: [wheezy] Fails to read EDID, results in bad monitor flickering

[Jonathan Nieder <jrnieder@gmail.com>]

Hi Darxus,

Darxus wrote:

> In Debian Testing's gnome-control-center, and in the display settings in
> Debian Stable, it says that my monitor is "Unknown".  This results in not
> being able to set the refresh rate of my (CRT) monitor above what looks to
> me like 60hz, which is physically uncomfortable to look at.  In Stable,
> it won't let me change the refresh rate from "0".  Testing doesn't have
> any refresh rate settings.  When my monitor is detected properly (EDID
> is read), based on recent experience with Ubuntu, appropriate refresh
> rates are selected by default.
>
> On Ubuntu, this problem persisted when I switched from an Nvidia to ATI
> Radeon video card, but went away, I believe, with a kernel upgrade.

Thanks for a clear report.  Please test with 3.5.5 or newer from
experimental.  (If it reproduces the bug, we can get help from
upstream, and if it doesn't, we can try to find what patch fixed it.)

Thanks,
Jonathan