Hi Daniel. The backlight keys do not help.
Prior to the kernel version in question, Ubuntu 17.x and 18.x on this
machine had occasional backlight problems on waking from suspend that I
could resolve by closing the lid, waiting a few seconds and reopening
the lid.
As far as I can tell, this doesn'
@jsalisbury: Thanks!
Tested with 4.18.0-041800rc6 & no change. Issue tags and status updated.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Update: I wanted to make sure of the problem still existing in the
4.18.0 kernel, so I started from scratch again with the following steps:
1. Reinstall Ubuntu minimal install (without downloading updates which is what
updates the kernel to the problem version),
2. Update kernel to 4.18.0,
3. Ins
** Description changed:
With any Ubuntu variant I've tried (Ubuntu, Ubuntu Mate, Ubuntu Budgie),
the graphical installer works correctly, but on every post-install
login, the screen goes black at the disk decryption screen.
- The kernel version post-install is 4.14.0-29-generic.
+ The ker
Thanks Daniel. I've spent all morning testing kernels, and here're my
results. Spoiler nothing after 4.15 works reliably, and mostly doesn't
work at all.
In detail:
- 4.15.0-12-generic: Works
This is what I get after a minimal install where I don't allow the installer
to download updates.
- 4.
It was still happening on 4.19-rc1. I'll test on later 4.19 rcs over the
weekend.
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https://bugs.launchpad.net/bugs/1782934
Title:
XPS 13 9350 black screen with kernel versi
I'll try to to the bisection this coming weekend.
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https://bugs.launchpad.net/bugs/1782934
Title:
XPS 13 9350 black screen with kernel versions > 4.15.0-20-generic
Status
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