https://bugs.kde.org/show_bug.cgi?id=368221
Bug ID: 368221
Summary: Unable to adjust display brightness on Dell laptop,
powerdevil messages in journalctl
Product: Powerdevil
Version: 5.7.3
Platform: Kubuntu Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-de...@kde.org
Reporter: jamiesexto...@gmail.com
This seems to be a bug with either the Powerdevil configuration but looks
related to the Xorg driver, I had previously added this but should have
reported properly instead of just on the ubuntu bugtracker
https://bugs.launchpad.net/bugs/1503168. I haven't tried that fix yet with the
latest Manjaro but it does also apply as well with both Kubuntu 16.10 and
Manjaro with all updates including the Intel DRM nightly drivers from git. This
seems to affect multiple types of Dell laptops also including the Studio 1737
and N7010 (both about 10 years old) and both with integrated Intel HD graphics.
The Kubuntu install is since Alpha release, and the Manjaro install since 8/15
and is running 4.8.0-rc4-mainline as well. Appears the issue has resurfaced
since the KDE 5.x branch. Will add additional bug report from Kubuntu 16.10 as
well for secondary verification and information reporting
Reproducible: Always
Steps to Reproduce:
1.Use the function keys to adjust brightness
2.Watch the brightness bar go from none to full and back
Actual Results:
End result, no change in display brightness but does log some journalctl error
messages when checking with `journalctl -xe --no-pager|grep -C10 bright`
Expected Results:
screen backlight brightness should have changed
inxi -SG
```
System: Host: Manjaro-N7010 Kernel: 4.8.0-rc4-mainline x86_64 (64 bit)
Desktop: KDE Plasma 5
Distro: Manjaro Linux
Graphics: Card: Intel Core Processor Integrated Graphics Controller
Display Server: X.Org 1.17.4 driver: intel Resolution:
1600x900@60.28hz
GLX Renderer: Mesa DRI Intel Ironlake Mobile GLX Version: 2.1 Mesa
12.0.1
```
Latest KDE frameworks and version from Manjaro
kdeinit5 --version
```
Qt: 5.7.0
KDE: 5.25.0
```
journalctl --no-pager -u user@1000.service
```
Sep 03 18:48:40 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: RRNotify_OutputProperty (ignored)
Sep 03 18:48:40 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: Output: 66
Sep 03 18:48:40 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: Property: Backlight
Sep 03 18:48:40 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: State (newValue, Deleted): 0
Sep 03 18:48:40 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: RRNotify_OutputProperty (ignored)
Sep 03 18:48:40 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: Output: 66
Sep 03 18:48:40 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: Property: Backlight
Sep 03 18:48:40 Manjaro-N7010 kscreen_backend_launcher[881]: kscreen.xcb.help
```
Manjaro-N7010 ~]$ journalctl -xe --no-pager|grep -C10 bright | tail -30
```
Sep 03 18:58:01 Manjaro-N7010 kdeinit5[793]: powerdevil: Brightness changed!!
Sep 03 18:58:01 Manjaro-N7010 kdeinit5[793]: powerdevil: Screen brightness
value max: 15
Sep 03 18:58:01 Manjaro-N7010 kdeinit5[793]: powerdevil: Screen brightness
value: 5
Sep 03 18:58:01 Manjaro-N7010 kdeinit5[793]: powerdevil: Brightness changed!!
Sep 03 18:58:02 Manjaro-N7010 kdeinit5[793]: powerdevil: Screen brightness
value: 5
Sep 03 18:58:02 Manjaro-N7010 kdeinit5[793]: powerdevil: Screen brightness
value max: 15
Sep 03 18:58:02 Manjaro-N7010 kdeinit5[793]: powerdevil: set screen brightness
value: 6
Sep 03 18:58:02 Manjaro-N7010 kdeinit5[793]: powerdevil: Screen brightness
value max: 15
Sep 03 18:58:02 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: RRNotify_OutputProperty (ignored)
Sep 03 18:58:02 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: Output: 66
Sep 03 18:58:02 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: Property: Backlight
Sep 03 18:58:02 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: State (newValue, Deleted): 0
Sep 03 18:58:02 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: RRNotify_OutputProperty (ignored)
Sep 03 18:58:02 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: Output: 66
Sep 03 18:58:02 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: Property: Backlight
Sep 03 18:58:02 Manjaro-N7010 kscreen_backend_launcher[881]:
kscreen.xcb.helper: State (newValue, Deleted): 0
Sep 03 18:58:02 Manjaro-N7010 kdeinit5[793]: powerdevil: Screen brightness
value: 6
Sep 03 18:58:02 Manjaro-N7010 kdeinit5[793]: powerdevil: Brightness changed!!
Sep 03 18:58:02 Manjaro-N7010 kdeinit5[793]: powerdevil: Screen brightness
value max: 15
Sep 03 18:58:02 Manjaro-N7010 kdeinit5[793]: powerdevil: Screen brightness
value: 6
Sep 03 18:58:02 Manjaro-N7010 kdeinit5[793]: powerdevil: Brightness changed!!
Sep 03 18:58:10 Manjaro-N7010 plasmashell[888]: QXcbConnection: XCB error: 2
(BadValue), sequence: 40176, resource id: 54525956, major code: 142 (Unknown),
minor code: 3
Sep 03 18:58:10 Manjaro-N7010 plasmashell[888]: QXcbConnection: XCB error: 2
(BadValue), sequence: 40211, resource id: 52428805, major code: 142 (Unknown),
minor code: 3
Sep 03 18:58:10 Manjaro-N7010 plasmashell[888]: QPainter::begin: Paint device
returned engine == 0, type: 2
Sep 03 18:58:10 Manjaro-N7010 plasmashell[888]: QPainter::save: Painter not
active
Sep 03 18:58:10 Manjaro-N7010 plasmashell[888]: QPainter::translate: Painter
not active
Sep 03 18:58:10 Manjaro-N7010 plasmashell[888]: QPainter::scale: Painter not
active
Sep 03 18:58:10 Manjaro-N7010 plasmashell[888]: QPainter::worldTransform:
Painter not active
Sep 03 18:58:10 Manjaro-N7010 plasmashell[888]: QPainter::setPen: Painter not
active
Sep 03 18:58:10 Manjaro-N7010 plasmashell[888]: QPainter::setBrush: Painter not
active
```
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