*** This bug is a duplicate of bug 1542939 ***
https://bugs.launchpad.net/bugs/1542939
** Tags added: cscc
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https://bugs.launchpad.net/bugs/1637347
Title:
Xubuntu 16.10: drm
*** This bug is a duplicate of bug 1542939 ***
https://bugs.launchpad.net/bugs/1542939
** This bug has been marked a duplicate of bug 1542939
system freeze after vt switching
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This has *just* had a fix committed upstream and is hoped to be
available in v5.0. Could we get it backported to the LTS kernels?
commit ed20151a7699bb2c77eba3610199789a126940c4
Author: Ville Syrjälä
Date: Tue Nov 27 20:20:04 2018 +0200
drm/vblank: Allow dynamic per-crtc max_vblank_count
This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report[0]? That will allow the upstream Developers to examine the issue,
and may provide a quicker resolution to the bug.
Please follow the instructions on
video=SVIDEO-1:d fixed my laptop. Well found!
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Title:
Xubuntu 16.10: drm errors causing slow boot
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Follow Up:
Adding the option 'video=SVIDEO-1:d' (disables SVIDEO-1) resolved the problem
in my case. Seems the i915 forgot how to handle this port. Something about
not being 'hot-pluggable' unless kept fully powered, does not comply with the
direction they are going?
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** Tags added: kernel-bug-exists-mainline-4.11rc7 kernel-bug-exists-
upstream
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https://bugs.launchpad.net/bugs/1637347
Title:
Xubuntu 16.10: drm errors causing slow boot
To manage
It's not restricted to Xubuntu, but this bug affects all *buntu I've
tested in the last week. Now I'm testing Ubuntu Budgie on a notebook HP
2910us and kernel 4.10.0-19-generic.
** Tags added: zesty
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While I had the time I checked 4.9.0-rc2, attaching a file showing early
boot errors. The boot was confined to the initramfs only.
** Attachment added: "v4.9.0-rc2-boot-partial.txt"
v4.6.0-rc1 boot test observations.. Booting without quiet,splash
Boot text at low resolution until this point: (journalctl -o short-
monotonic)
3.306180] jhm-Inspiron-1520 kernel: [drm] Initialized drm 1.1.0 20060810
(Display goes black here)
Boot text returns at high resolution at this
I'm attaching a Xorg.log from my Xubuntu 14.04.5 LTS installation on the
same machine, showing a start time of 29.904 seconds and a finish time
of 32.573 , a span of only 2.669 seconds.
** Attachment added: "v14.04.5-Xorg.log"
Tested 4.6.0-rc1 and drm errors appear in the journal log. I am attaching a
copy of the journal using monotonic time stamps, since they show a correlation
between drm errors and Xorg activity.
Question: Is there a way to get apport to use monotonic journal timestamps and..
Is there a
Here is the corresponding Xorg.log showing a 13 second delay near the
end. The modesetting timestamps correspond to the second batch of drm
errors in the journal.log
** Attachment added: "v4.6.0-rc1-Xorg.log"
apport information
** Tags added: apport-collected
** Description changed:
I have been getting drm errors since updating to 16.10 causing slow boot
times. Ex:
3.830465] jhm-Inspiron-1520 kernel: input: SynPS/2 Synaptics TouchPad as
/devices/platform/i8042/serio1/input/input5
Can you give the v4.6-rc1 kernel a test? We can perform a kernel bisect
if we know the last good kernel version and the first bad one.
The 4.6-rc1 kernel can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-rc1-wily/
** Changed in: linux (Ubuntu)
Importance: Undecided
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