Unfortunately due to the nature of this bug, it's very hard to get any
concrete logs (at least I'm not sure how to). If I boot with kernel
modesetting for i915, then I can't even get to the ttys to pull down a
dmesg. I'd rather not install 19.04 (wiping out my existing 18.10
installation) to track down the logs. The links that I provided do
contain very detailed information about the problem. I've also
confirmed that Fedora 30 beta also has the same problems - although
there's a proposed patch/fix with kernel 5.0.7 that might make it in
before release.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1824216
Title:
Linux 5.0 regression i915 module, black screen on boot for certain
laptop panels
Status in linux package in Ubuntu:
Confirmed
Bug description:
On my Dell XPS 9575, I get a black screen on boot when running the
19.04 live image, OR after updating from 18.10 to 19.04. It appears
to be a kernel related bug that was introduced in 5.0 that is affected
by certain laptop panels not conforming to their stated
specifications.
Several other Dell systems exhibit the same issue, and it's very
possible that there are other panels used on other systems that will
also have the same issues.
Intel is aware of this issue and has already created a patch. You can
see the relevant threads here:
https://bugs.freedesktop.org/show_bug.cgi?id=109959
And the patch here:
https://patchwork.freedesktop.org/patch/296411/
It would be fantastic to get this patch applied before release, as it
would be very difficult install 19.04 on the affected systems
otherwise. I was able to get the live image booted by adding the
nomodeset kernel parameter to grub, so as a work around you can use
this approach to install.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1824216/+subscriptions
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