I tested them, both Artful & Bionic, and both work okay without
nomodeset on my Latitude 5590.
** Attachment added: "dmesg from artful"
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Dell Latitude 5490/5590 BIOS update 1.1.9 causes black screen at boot
Status in linux package in Ubuntu:
Status in linux source package in Artful:
Status in linux source package in Bionic:
Description: Ubuntu 16.04.4 LTS
Ubuntu 16.04.4 LTS was installed to some Dell Latitude 5490 & 5590
laptops, originally running BIOS version 1.0.8. The install media and
the installed OS was running linux-generic-hwe kernel 4.13.0.
After upgrading BIOS to latest version 1.1.9, the kernel no longer
boots: right after loading the i915 drm driver, the screen goes black,
and the machine can only be reset or power cycled. This is true for
both the installation media, and the OS instance previously installed
to the disk and updated to the latest hwe kernel 4.13.0-38.
Specifying 'nomodeset' on the kernel command line works around the
problem by disabling the i915 drm driver functionality. In that case,
several display driver function are obviously missing (eg GLX &
The problem manifested itself even when using the drm upstream latest
git-head version. A custom built kernel was used to provide logs for this
upstream bug report:
The upstream Intel developers provided a patch, which was successfully tested
by both the original reporter and me.
I backported this fix to ubuntu-xenial hwe git-head, and tested the
result successfully. I'd like this fix to be added to the ubuntu-
xenial linux-generic-hwe kernel.
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