[Nouveau] [Bug 34220] Detects Load on output and blinks screen every ~30secs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34220

--- Comment #12 from johnlu best <johnlubest at yahoo.com> ---
(In reply to comment #11)
> Sounds like the bug here is that nouveau causes the VGA display to blink
> on/off when checking whether it is connected. (And, to exacerbate the issue,
> there's something polling every 30s to see if the monitor is connected/what
> modes it has or something.)
> 
> Could someone with an affected monitor try to
> 
> cat /sys/class/drm/card0-VGA-0/(In reply to comment #11)
> Sounds like the bug here is that nouveau causes the VGA display to blink
> on/off when checking whether it is connected. (And, to exacerbate the issue,
> there's something polling every 30s to see if the monitor is connected/what
> modes it has or something.)
> 
> Could someone with an affected monitor try to
> 
> cat /sys/class/drm/card0-VGA-0/status
> 
> (or whatever card/connector the thing is on)
> 
> and see if that action causes the monitor to blink on/off? If not, check
> /sys/.../modes and .../edid and .../dpms. I'm guessing at least one of those
> will cause the blinking issue.
> 
> My understanding of the VGA DDC stuff is that the monitor doesn't even have
> to be powered on in order to get at that stuff (I guess power is supplied in
> the VGA cable itself), much less have to try to show a picture. Although
> perhaps not all monitors comply with that ideal.
> 
> BTW, please be sure to test it out with the latest kernel, just in case this
> has been fixed.

I can confirm that blinking issue after cat /sys/class/drm/card0-VGA-0/status
every ~30 seconds. I'm using nvidia 7300 gt. do you need more data?

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/nouveau/attachments/20140225/a110ce37/attachment.html>