OK reading the original bug reports more closely, this *does* appear to
be a different bug entirely. Because we never see a cursor on the
screen, the laptop panel literally fails link training.
** This bug is no longer a duplicate of bug 1821820
Cannot boot or install - have to use nomodeset
*** This bug is a duplicate of bug 1821820 ***
https://bugs.launchpad.net/bugs/1821820
So I'm not sure if this bug is actually a duplicate after all. I've
done a fresh install of 19.04 and upgraded to kernel 5.0.0-11.12 (which
supposedly fixed the other bug), and the link training issues
*** This bug is a duplicate of bug 1821820 ***
https://bugs.launchpad.net/bugs/1821820
Here are the relevant portions of my dmesg with drm.debug=14 as a boot
paramater. You can see my laptops display panel is still failing link
training.
21:00:11 kernel:
*** This bug is a duplicate of bug 1821820 ***
https://bugs.launchpad.net/bugs/1821820
** This bug has been marked a duplicate of bug 1821820
Cannot boot or install - have to use nomodeset
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Might be a duplicate of this bug?:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1821820
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1824216
Title:
Linux 5.0 regression i915
Here's a link to the Fedora bug report tracking the same issue:
https://bugzilla.redhat.com/show_bug.cgi?id=1695275 which also includes
lots of useful information.
** Bug watch added: Red Hat Bugzilla #1695275
https://bugzilla.redhat.com/show_bug.cgi?id=1695275
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You received this bug
Unfortunately due to the nature of this bug, it's very hard to get any
concrete logs (at least I'm not sure how to). If I boot with kernel
modesetting for i915, then I can't even get to the ttys to pull down a
dmesg. I'd rather not install 19.04 (wiping out my existing 18.10
installation) to
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