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.
** 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.
I think the next step is to find out exactly where the fix first
appeared. Please try more kernel versions and find the two versions
closest together where one works and the other does not...
http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
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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
@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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Bugs, which is s
Almost, maybe related to bug 1782739
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https://bugs.launchpad.net/bugs/1782934
Title:
XPS 13 9350 black screen with latest kernel
To manage notifications about this bug go to:
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Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.18 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 t
I am experiencing the same problem. When I boot with any other kernel
than 4.15.0-20-generic the internal display goes black after GRUB.
IMPORTANT: External display through USB-C works fine.
* Dell XPS 13 9350 Developer Edition.
* Ubuntu 18.04 (fresh install).
* Any other kernel than 4.15.0-20-ge
Does switching VTs (Ctrl+Alt+F4) turn it on?
Also if you SSH into the machine while it's still on the login screen,
does writing to:
/sys/class/backlight/*/brightness
like
cp /sys/class/backlight/*/max_brightness
/sys/class/backlight/*/brightness
then make the login screen visible?
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Yo
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'
Do the backlight keys help at all?
I'm wondering if it's just the backlight being turned off.
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https://bugs.launchpad.net/bugs/1782934
Title:
XPS 13 9350 black screen with latest kerne
** Package changed: xorg (Ubuntu) => linux (Ubuntu)
** Tags added: regression-update
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https://bugs.launchpad.net/bugs/1782934
Title:
XPS 13 9350 black screen with latest kernel
To man
** 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.
Othe
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