** Tags removed: vivid wily
** Also affects: plymouth (Ubuntu)
Importance: Undecided
Status: New
** Changed in: plymouth (Ubuntu)
Status: New => Triaged
** Changed in: plymouth (Ubuntu)
Importance: Undecided => Medium
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** Description changed:
When booting HP Pavilion dv6-6145eo with Ubuntu 15.04 the laptop monitor
turns off in the middle of the boot.
- If I suspend and resume the computer (close and open the lid) when I
- hear the login sound the monitor turns back on and the computers works
- just fine.
Tested Ubuntu 20.04 (kernel 5.4.0-52-generic) with the old HP Pavilion
dv6 laptop and the bug seems to still exist.
Disabling the Plymouth boot screen fixes this bug (changing
GRUB_CMDLINE_LINUX_DEFAULT from "quiet splash" to "quiet" in
/etc/default/grub).
Also closing and opening the laptop lid
Thank you for reporting this bug to Ubuntu.
Ubuntu 15.10 (wily) reached end-of-life on July 28, 2016.
Ubuntu 15.04 (vivid) reached end-of-life on February 4, 2016.
See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases
We appreciate that this bug may be old
Tested with the daily image (Ubuntu 15.10 with kernel 4.2.0-7-generic) and the
bug still exists.
This is odd since installing 4.2 kernel to 15.04 fixed this bug.
The bug also does not appear when booting from a live USB -stick only when
installing to the hard drive.
I still think that this
Markus Ilmola, this would appear a downstream issue, given this is
reproducible in Ubuntu kernels but not upstream ones.
** Changed in: linux (Ubuntu)
Importance: Medium => High
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
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** Tags removed: f.21
** Tags added: bios-outdated-f.21
** Tags added: regression-release
** Tags added: wily
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1481442
Title:
[HP Pavilion dv6-6145eo
Markus Ilmola, could you please test http://cdimage.ubuntu.com/daily-
live/current/ and advise to the results?
** Tags added: f.21
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Bugs, which is
** Tags added: kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1481442
Title:
[HP Pavilion dv6-6145eo
Tested 4.2 rc5 and it fixes this bug.
The laptop previously had 14.04 which did not have this bug. Also the 15.04
live CD did not have this bug.
It appeared only after installing updates.
It seems that this bug is duplicate of #1472794.
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.2
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