have the monitor mentioned above and a new Intel NUC7i7BNH with 16 GB Ram and 128 GB SSD. Running Fedora 27 with the latest patches.
I'm using a USB -C cable to Display Port, and the screen will occasionally flicker on and off and also display a gray bar across the screen
I have verified that there is no problem with the monitor or cable, this problem does not exist using a Dell laptop with Window 10 and have also ran through all diagnostics with a Dell technician. In addition the NUC has been updated to the latest BIOS.
When I switch to 30hz there is no problem, is there a way to get the latest Intel graphics drivers.
As a side and possibly note GNOME crashes every time a log in from a locked session. I have submitted many bugs and it appears that others are having the same problem.
Additionally I just install windows 10 on another drive (same Intel NUC). It had the same problem with flickering. I updated the "Intel Iris Plus Graphics 650" driver to the latest version 2/4/2018 126.96.36.19944 and the problem has been eliminated.
I checked Fedora 28 4/4/2018 beta and have the same problem.
output from: inxi SMGxxxz
CPU~Dual core Intel Core i7-7567U (-MT-MCP-) speed/max~1151/4000 MHz Kernel~4.15.14-300.fc27.x86_64 x86_64 Up~2 min Mem~1857.4/15926.1MB HDD~120.0GB(24.3% used) Procs~257 Client~Shell inxi~2.3.56
Graphics: Intel Iris Plus Graphics 650 (Kaby Lake GT3e)
hi, could you please add your mesa version?
You can use => glxinfo
And, I think, for devs it would be helpful to provide all possible logs you have (as you mentioned, you saw gnome crashes, provide them too please).
>>I updated the "Intel Iris Plus Graphics 650"
That's for windows 10 on your second drive?
Created attachment 138685 [details]
glxinfo has been attached as glxinfo.out.
Windows 10 is installed on a completely separate drive that needs to be installed (I'm not dual booting)
I have reported 3 different bugs at redhat's bugzilla, all traces, logs are attached to each bug.
all of which are duplicates of
If that's an issue with the refresh frequency, it's more likely to be an issue related to i915.
Please try to reproduce the error using drm-tip (https://cgit.freedesktop.org/drm-tip) and kernel parameters drm.debug=0x1e log_buf_len=4M, and if the problem persists attach the full dmesg from boot.
Hi could you give me more detail instructions. Thanks Dan
Please just start off with your current kernel and drm.debug=0x1e log_buf_len=4M parameters, and attach dmesg.
Created attachment 142950 [details]
dmesg after kernel parameters added to grub
The attached dmesg.out was generated after the grub file update below and a reboot
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_CMDLINE_LINUX="rd.lvm.lv=fedora/root rd.lvm.lv=fedora/swap rhgb quiet"
Can you perform these steps?
Edit the line Grub-cmdline-linux-default = “quiet splash drm.debug=0x1e log_buf_len=4M”
Reboot the machine and try to reproduce the error and attach the logs.
(In reply to Lakshmi from comment #8)
> Can you perform these steps?
> Edit the line Grub-cmdline-linux-default = “quiet splash drm.debug=0x1e
> sudo update-gurb
> Reboot the machine and try to reproduce the error and attach the logs.
sorry, its sudo update-grub
I tried editing my grub file in /etc/default, and then ran grub2-mkconfig and got the following errors
/etc/default/grub: line 7: splash: command not found
I remove splash and ran grub2-mkconfig again
/etc/default/grub: line 7: drm.debug=0x1e: command not found
Please advise, thank you.