In fact it seems to work now (tested with ubuntu 13.10 / firefox
26.0+build2-0ubuntu0.13.10.2), sorry for not having tested lately. As
far as I am concerned this bug may be closed.
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h
OK, I finally made it work : using the GUI offered by unity, setting the
resolutions I wanted, and not caring that the display was mangled when
it asked me if the display was OK after setting the resolutions... I
checked "yes" even if that was not true, so the config was saved (in
.config/monitors.
Dell has replaced the screen. No flicker any more but it is still quite
difficult to set the resolutions (when setting the "desired" ones, ie
1600x1900 & 1920x1080) some parts of the screen remain black, and among
this black parts some let the cursor visible (but only the cursor, i.e.
dragging a wi
New follow-up : today,
$ xrandr
Screen 0: minimum 320 x 200, current 3520 x 1080, maximum 8192 x 8192
LVDS1 connected 1600x900+0+0 (normal left inverted right x axis y axis) 310mm x
174mm
1600x900 60.0 + 40.0*
[...]
HDMI3 connected 1920x1080+1600+0 (normal left inverted right x axis y
Oh, I forgot to mention : dmesg contains the following message
(apparently provoked by switching from X mode to console, and vice-
versa) :
[drm:drm_mode_getfb] *ERROR* invalid framebuffer id
If this is a kernel issue, here is mine :
Linux [hostname] 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03
Follow up : the flicker lowered in intensity during the week end. It
came back after the first stand-by mode.
I found that bug #761065 maybe somewhat related, but I'm not sure.
I just tried the proposed workaround, i.e. set
/sys/module/i915/parameters/semaphores to "1", using the following
kernel
I experience a similar problem : 1600x900 screen, intel video, ubuntu
11.04, dell e6420 received 2 days ago, started flickering after waking
up from a standby mode this afternoon.
Also a HW problem, as it happens also on the Win7 install that is
installed alongside. In fact it flickers as soon as
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