HillClimber, thank you for taking the time to report this bug and trying
to help make Ubuntu better. However, the upstream kernel is not a
software package provided by the official Ubuntu repositories. Because
of this and as outlined in https://wiki.ubuntu.com/Kernel/MainlineBuilds
the Ubuntu
** Bug watch added: Linux Kernel Bug Tracker #108981
http://bugzilla.kernel.org/show_bug.cgi?id=108981
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=108981
Importance: Unknown
Status: Unknown
** Description changed:
Neither 4.4rc3 nor 4.3rc4 will boot
I think the attachment containing the image of the boot is mia?
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https://bugs.launchpad.net/bugs/1524122
Title:
XPS 15 (9550) Won't boot with 4.4
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The update-initramfs issue is apparently unrelated -- I downloaded the
appropriate firmware and got rid of the missing firmware warning, but
the boot issue persists.
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This is a screen shot of the failed boot. I apologize for the poor
quality -- each line of text is only 1.75mm high on my high-DPI display.
** Attachment added: "boot log pic"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1524122/+attachment/4531989/+files/boot%20log%20hang.jpg
--
Here is a better more recent screenshot (reduced exposure), after
downloading skylake firmware...
** Attachment added: "boot log 12-08"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1524122/+attachment/4532003/+files/boot%20xps15%204.4rc4%202015-12-09.jpg
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apport information
** Tags added: apport-collected wily
** Description changed:
Neither 4.4rc3 nor 4.3rc4 will boot on my Dell XPS 15 (9550). 4.3 boots
fine.
The boot process halts with "ALERT! /dev/disk/by-uuid/ does not
exist", although the UUID does exist, and other kernels boot
