I was affected by this issue in 16.04 with kernel 4.4 but it seems to
have gone away since upgrading to 4.8; it's hard to tell because it is
apparently impossible to reproduce on demand, and only happened maybe 1
in 10 times for me after resuming from suspend.
@kyordhel: I am not sure that specifi
Confirmed that the bug is fixed in the 4.10 kernel series.
Further confirmed that this is down to the i915.enable_psr parameter:
Linux 4.8 with no command line => flickering (enable_psr defaults to on)
Linux 4.8 with i915.enable_psr=0 => no flickering
Linux 4.10 with no command line => no flicker
** Tags added: kernel-fixed-upstream
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https://bugs.launchpad.net/bugs/1663989
Title:
Screen flickering
Status in linux package in Ubuntu:
New
Bug des
Sorry I should have explained better, I also have a Lenovo Edge E540
which is how I initially found this bug report via Google, but mine does
not have the nvidia chipset, only Intel, so I didn't see how this could
be caused by the nvidia driver.
I will try to test the newer upstream kernel when I
Does adding "i915.enable_psr=0" to the kernel parameter line fix the
issue?
Possibly a duplicate of
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1663989
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** Package changed: nvidia-graphics-drivers (Ubuntu) => linux (Ubuntu)
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers in Ubuntu.
https://bugs.launchpad.net/bugs/1663989
Title:
Screen flickering
Status in linux
Same issue, although I only have Intel graphics. Adding
i915.enable_psr=0 to the kernel parameter line fixed the flickering for
me.
This is apparently solved upstream in kernel 4.9:
https://patchwork.kernel.org/patch/9507451/
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In my case the root cause of this issue was corrupted firmware rather
than problems with XRandR (X11-xserver-utils). The machine in question
had been running lm sensors 3.3.2 which was discovered to potentially
cause firmware corruption in Sept 2013.
The issue was immediately resolved following a
I'm using Intel integrated graphics instead of ATI/AMD, and I'm also on
a 32-bit kernel instead of AMD64. I'm not sure if this points to
separate driver issues, or an issue with X. I've also noticed that the
issue seems to affect only the Thinkpad LCD (LVDS1), a monitor connected
to VGA1 scales p
Commands & results:
$ xrandr --output LVDS1 --set "scaling mode" "Full aspect"
Appears to have no affect.
$ xrandr --output LVDS1 --set PANEL_FITTING full_aspect
X Error of failed request: BadName (named color or font does not exist)
Major opcode of failed request: 140 (RANDR)
Minor opcode
Seeing identical behavior running Xubuntu 12.10 & 13.04 on an IBM
Thinkpad T60. Scaling mode quit working when updating to kernel
3.5.0-27 on 12.10 and continues to not work on 13.04. Default
resolution for this panel is 1024x768; switching to either 800x600 or
640x480 results in a window of that
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