Public bug reported:
on AMD64, with dual screen enabled, the screen that is plugged on DVI
randomly 'flashes black' as for a resolution change and returns to
normal after about 2 seconds. it is as if the screen reinitializes, or
at least attempts a resolution change to the same resolutions. rarely, i
will receive a "input not supported" message on that screen; it switches
back after a few seconds.
this problem is very annoying as it occurs every 5 minutes or so,
sometimes 2 to 3 times in a row, and then works for up to 10 minutes
before it occurs again.
this happens only on the DVI output since i tried switching my screens
and the problem switched to the other screen also.
note: i used to have this problem on edgy as well. windows vista does
not have this problem.
thanks!
ProblemType: Bug
Architecture: amd64
Date: Tue Mar 20 15:58:03 2007
DistroRelease: Ubuntu 7.04
Uname: Linux jdb.neuralia.ca 2.6.20-12-generic #2 SMP Sat Mar 17 22:55:16 UTC
2007 x86_64 GNU/Linux
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
--
dual head ATI radeon X1550 has random and frequent resolution changes on DVI
output
https://launchpad.net/bugs/94214
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