I confirm this bug is present on Ubuntu 18.04, my hardware is an Intel
HD Graphics 5500.
It was working fine on the previous LTS, 16.04; if I use kernel
4.4.0-161-generic from Ubuntu 16 Xenial I can boot Ubuntu 18 Bionic
fine, thus I conclude it's something in the kernel.
I have tried these
** Tags added: cscc
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Title:
Disappearing screen and flickering after upgrade to 16.04
Status in linux package in Ubuntu:
The bugs prevails in kubuntu 18.04, unfortunately.
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Title:
Disappearing screen and flickering after upgrade to 16.04
Status in
Christian,
sorry, I slackened for the last months, hoping someone would see this bug,
upstream. They didn't. I filed it yesterday.
Finally, I hope somebody sees it and starts working on it. Fingers crossed.
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Christian,
I am afraid, you may stop trying. Use your time for something more useful.
Sorry, but with a kernel problem, this problem needs to be solved. First.
My interest in workarounds is limited. It is a task of QC to step in for a
remedy to a regression.
On 12 November 2017 at 14:21,
@udippel What project do I need to file the bug into? Their site is
confusing me.
Or if you opened a bug yourself, I could piggyback onto it.
I also tried some more things today (check askubuntu) and none of it
worked.
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Great! Thanks a bunch!
Have you already filed the upstream bug? If not, please do so. I could
do it for you, but then I couldn't be much of a help if they asked me
particular questions.
** Tags added: kernel-bug-exists-upstream
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@udippel @kaihengfeng Sorry for the late get back, for some reason I
didn't get notified there were answers.
I tried both the latest mainline kernel (4.14-rc8) and the drm-intel-
nightly one. Neither one works.
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Please try kernel in http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-
intel-nightly/current/
If the issue is still there, file an upstream bug at
https://bugzilla.freedesktop.org
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Christian, the problem is that 17.10 does not use the mainline kernel. I bet
that the mainline kernel doesn't work. Still, I can't tag it, and with *buntu's
distro kernel, you can't neither.
Could you follow #4 using the most recent mainline kernel as described in that
link in order to tag
I'm suffering from the same problem. I'm also the author of the
referenced question on askubuntu, https://askubuntu.com/questions/927407
/flickering-screen-with-intel-graphics-on-ubuntu-17-04 which I update
periodically when I've tried new things.
The problem persists with Ubuntu 17.10's kernel
The "experts" (i915 maintainers in this case) only pay attention to bugs
that exist in latest mainline kernel...
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Title:
#6:
It says different over there. Nevermind. I don't want to break my system, since
I need it.
I was able to boot with an old 3.13.0-kernel, still lingering in my grub menu.
And I can confirm that everything works perfectly well with that kernel.
I also can confirm that my suspicion with the
You don't need to touch those DKMS to install mainline kernel.
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Title:
Disappearing screen and flickering after upgrade to 16.04
at #4: I'd love to, but need to get rid of all kernel modules (hopefully
without breaking the system).
The link isn't specific on how to do that. Here I have
$ sudo dkms status
acpi-call, 1.1.0, 3.13.0-128-generic, x86_64: installed
acpi-call, 1.1.0, 4.4.0-92-generic, x86_64: installed
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.13 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
For comparison, here is the dmesg of a functional machine, same type,
lenovo T410s, same software, same BIOS; but with deactivated NVIDIA
graphics (type 2924)
** Attachment added: "dmesg_good"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1712508/+attachment/4937882/+files/dmesg_good
Sorry, but I run into another bug:
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1439784
Therefore, I get the notorious
ERROR: Could not import module, is a package upgrade in progress? Error: No
module named PyQt5.QtCore
I add the dmesg, thinking it will help further
** Attachment
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