FS#45501 - [xf86-video-intel] Upgrade causes backlight to turn off after sleep resume

Attached to Project: Arch Linux
Opened by Adam Keenan (adamk33n3r) - Monday, 29 June 2015, 15:59 GMT
Last edited by Andreas Radke (AndyRTR) - Monday, 21 December 2015, 11:53 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Jan de Groot (JGC)
Andreas Radke (AndyRTR)
Laurent Carlier (lordheavy)
Maxime Gauduin (Alucryd)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 6
Private No

Details

Description:
After upgrading this package after resuming from sleep and logging back in (from lightdm) the backlight turns off. Switching to a tty doesn't turn it back on. I tried running commands to increase the brightness like using /sys/class/backlight/intel_backlight/brightness but that did not help. I know it's just the backlight because if I shine a light on the screen I can make out features and run commands in a terminal.


Additional info:
* Upgrade from 2.99.917-5 to 1:2.99.917+364+gb24e758-1


Steps to reproduce:
* Upgrade xf86-video-intel
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Monday, 21 December 2015, 11:53 GMT
Reason for closing:  Fixed
Comment by Harold (MrHaroldA) - Monday, 29 June 2015, 21:40 GMT
I have the same issue; downgrading to 2.99.917-5 fixed it again.

Lenovo T440 / Intel i915
Comment by Harold (MrHaroldA) - Tuesday, 04 August 2015, 11:48 GMT
This bug is still present in xf86-video-intel 1:2.99.917+381+g5772556-1
Comment by Harold (MrHaroldA) - Wednesday, 07 October 2015, 14:44 GMT
It's still present in the testing version: xf86-video-intel-1-2.99.917+472+gf0fd4d5-1-x86_64.pkg.tar.xz
Comment by jb (jb.1234abcd) - Friday, 09 October 2015, 11:26 GMT
Lenovo R61i Intel laptop.
Problem with backlight is related to hardware, not xf86-video-intel driver.
Comment by Christian (chrhei1) - Wednesday, 14 October 2015, 09:48 GMT
I've discovered the same issue on my Lenovo L540 with Intel GPU. Tried 1:2.99.917+478+gdf72bc5-2 also with no success. Downgraded back to 2.99.917-5. Why should it be a hardware issue when the older driver is capable to run? Regards.
Comment by jb (jb.1234abcd) - Wednesday, 14 October 2015, 12:16 GMT
@Christian
In my case it apparently is.
I booted to Windows on the laptop, and after a few minutes the screen went black, with some features still but barely visible.
Btw, in Arch I went back to 2.99.917-5 driver, even to some 4.02.x kernel, and it did not help.
I could save to RAM (Fn + F4) and restore to a perfectly good screen, control brightness with Fn + FUp/Down, but only for a few minutes again.
I do not know if power management and/or thermal factors could be involved too.
Comment by Adam Keenan (adamk33n3r) - Wednesday, 14 October 2015, 14:57 GMT
I can confirm that downgrading back to 2.99.917-5 fixed it immediately and I've been running that version ever since. Almost 4 months now.

My computer is a Lenovo as well. A z50. I wonder if this is something that has to do with Lenovos. It is weird, though, that downgrading fixes the issue.
Comment by Andreas Radke (AndyRTR) - Monday, 09 November 2015, 14:13 GMT
Where's the upstream regression report URL we can follow?
Comment by Christian (chrhei1) - Friday, 13 November 2015, 17:10 GMT
I tried it, is it what you need?

https://bugs.freedesktop.org/show_bug.cgi?id=92943
Comment by Andreas Radke (AndyRTR) - Friday, 13 November 2015, 18:54 GMT
CC'ed.
Comment by Christian (chrhei1) - Monday, 16 November 2015, 13:20 GMT
Please see comment 17 at https://bugs.freedesktop.org/show_bug.cgi?id=92943#c17

Starting my machine into run-level 3 (systemd.unit=multi-user.target in grub),
lightdm isn't started at all. Running then startx as an unprivileged user suspend
and resume works well.

Maybe the issue is caused by lightdm? Any ideas how to proceed? THX
Comment by Harold (MrHaroldA) - Monday, 16 November 2015, 13:30 GMT
There are some related issues/solutions/workarounds on the Internets:
* https://bbs.archlinux.org/viewtopic.php?id=199200
* https://forum.manjaro.org/index.php?topic=23961.10
Comment by Christian (chrhei1) - Monday, 16 November 2015, 13:36 GMT
bug report at:
https://bugs.launchpad.net/lightdm/+bug/1516622
Comment by Andreas Radke (AndyRTR) - Sunday, 22 November 2015, 12:33 GMT
Also assigning to the lightdm maintainer.
Comment by Harold (MrHaroldA) - Sunday, 22 November 2015, 15:19 GMT
Crap. Starting today, we can't update xorg-server because the Intel driver is too old.

:: Starting full system upgrade...
warning: xf86-video-intel: ignoring package upgrade (2.99.917-5 => 1:2.99.917+478+gdf72bc5-3)
resolving dependencies...
looking for conflicting packages...
:: xorg-server and xf86-video-intel are in conflict (X-ABI-VIDEODRV_VERSION). Remove xf86-video-intel? [y/N]
Comment by Andreas Radke (AndyRTR) - Sunday, 20 December 2015, 08:05 GMT
Please test latest driver and mesa version in testing repo and new kernels.
Comment by Harold (MrHaroldA) - Sunday, 20 December 2015, 23:49 GMT
Well, I've installed today's stable packages ... and the first test went ok! No blank screen after closing and opening the lid ;)

xf86-video-intel: 1:2.99.917+519+g8229390-1
mesa: 11.0.7-1

More testing tomorrow ...

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