This bug was fixed in the package linux - 5.0.0-13.14
---------------
linux (5.0.0-13.14) disco; urgency=medium
* linux: 5.0.0-13.14 -proposed tracker (LP: #1824819)
* Display only has 640x480 (LP: #1824677)
- Revert "UBUNTU: SAUCE: drm/nouveau: Disable nouveau driver by default"
* shiftfs: use after free when checking mount options (LP: #1824735)
- SAUCE: shiftfs: prevent use-after-free when verifying mount options
linux (5.0.0-12.13) disco; urgency=medium
* linux: 5.0.0-12.13 -proposed tracker (LP: #1824726)
* Linux 5.0 black screen on boot, display flickers (i915 regression with
certain laptop panels) (LP: #1824216)
- drm/i915/dp: revert back to max link rate and lane count on eDP
* kernel BUG at fs/attr.c:287 when using shiftfs (LP: #1824717)
- SAUCE: shiftfs: fix passing of attrs to underaly for setattr
-- Seth Forshee <seth.fors...@canonical.com> Mon, 15 Apr 2019 09:11:23
-0500
** Changed in: linux (Ubuntu Disco)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1824216
Title:
Linux 5.0 black screen on boot, display flickers (i915 regression with
certain laptop panels)
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Disco:
Fix Released
Bug description:
[Impact]
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.
[Test case]
boot a kernel with the revert
[Regression potential]
shouldn't be any, since this reverts to what was used on kernels before 5.0
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