[IGC Mobile 4] Screen brightness not 100% at boot or resume from monitor sleep
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Ubuntu |
Invalid
|
Low
|
Unassigned | ||
linux (Ubuntu) |
Won't Fix
|
Low
|
Unassigned |
Bug Description
Manufacturer: LENOVO
Version: ThinkPad T500
This happened with the 2.6.27-11-generic kernel update on January 28th. Since this update when the laptop boots the screen is dim (using the keyboard controls raises the brightness to 100%) or if the monitor goes to sleep and I wake the monitor up the same issue happens.
I ran the gnome-power-
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a43] (rev 07)
description: | updated |
Changed in linux: | |
status: | Incomplete → Confirmed |
Changed in xserver-xorg-video-intel: | |
importance: | Undecided → Low |
status: | New → Triaged |
description: | updated |
Here is the output of gnome-power-manager --no-daemon --verbose 2 >&1 tee gpm.debug.log.txt
TI:23:46:02 TH:0x870a00 FI:gpm- brightness- xrandr. c FN:gpm_ brightness_ xrandr_ output_ get_percentage, 225 feedback- widget. c FN:gpm_ feedback_ display_ value,140 refcount_ add,100 refcount_ add,101 backlight_ button_ pressed_ cb,567 pressed_ cb,679 -down brightness- xrandr. c FN:gpm_ brightness_ xrandr_ filter_ xevents, 552 device_ condition_ cb,430 ButtonPressed, details= brightness- down button_ pressed, 374 pressed_ cb,1020 -down srv-screensaver .c FN:button_ pressed_ cb,167 -down backlight_ button_ pressed_ cb,536 -down brightness- xrandr. c FN:gpm_ brightness_ xrandr_ foreach_ screen, 414 brightness- xrandr. c FN:gpm_ brightness_ xrandr_ foreach_ resource, 375 brightness- xrandr. c FN:gpm_ brightness_ xrandr_ foreach_ resource, 375 brightness- xrandr. c FN:gpm_ brightness_ xrandr_ output_ down,250 brightness- xrandr. c FN:gpm_ brightness_ xrandr_ foreach_ screen, 414 brightness- xrandr. c FN:gpm_ brightness_ xrandr_ foreach_ resource, 375 brightness- xrandr. c FN:gpm_ brightness_ xrandr_ foreach_ resource, 375 brightness- xrandr. c FN:gpm_ brightness_ xrandr_ output_ get_percentage, 223 brightness- xrandr. c FN:gpm_ brightness_ xrandr_ output_ get_percentage, 225 feedback- widget. c FN:gpm_ feedback_ display_ value,140 refcount_ add,100 refcount_ add,101 backlight_ button_ pressed_ cb,567 pressed_ cb,679 -down button_ filter_ x_events, 122
- percentage 86
TI:23:46:02 TH:0x870a00 FI:gpm-
- Displaying 0.860000 on feedback widget
TI:23:46:02 TH:0x870a00 FI:gpm-refcount.c FN:gpm_
- refcount now: 6
TI:23:46:02 TH:0x870a00 FI:gpm-refcount.c FN:gpm_
- non zero, so sending REFCOUNT_ADDED
TI:23:46:02 TH:0x870a00 FI:gpm-backlight.c FN:gpm_
- emitting brightness-changed : 86
TI:23:46:02 TH:0x870a00 FI:gpm-info.c FN:button_
- Button press event type=brightness
TI:23:46:02 TH:0x870a00 FI:gpm-
- Event0 0x9d0280
TI:23:46:03 TH:0x870a00 FI:gpm-button.c FN:hal_
- condition=
TI:23:46:03 TH:0x870a00 FI:gpm-button.c FN:emit_
- emitting button-pressed : brightness-down
TI:23:46:03 TH:0x870a00 FI:gpm-manager.c FN:button_
- Button press event type=brightness
TI:23:46:03 TH:0x870a00 FI:gpm-
- Button press event type=brightness
TI:23:46:03 TH:0x870a00 FI:gpm-backlight.c FN:gpm_
- Button press event type=brightness
TI:23:46:03 TH:0x870a00 FI:gpm-
- using resource 0x9e3e00
TI:23:46:03 TH:0x870a00 FI:gpm-
- resource 1 of 2
TI:23:46:03 TH:0x870a00 FI:gpm-
- resource 2 of 2
TI:23:46:03 TH:0x870a00 FI:gpm-
- hard value=13, min=0, max=15
TI:23:46:03 TH:0x870a00 FI:gpm-
- using resource 0x9e3e00
TI:23:46:03 TH:0x870a00 FI:gpm-
- resource 1 of 2
TI:23:46:03 TH:0x870a00 FI:gpm-
- resource 2 of 2
TI:23:46:03 TH:0x870a00 FI:gpm-
- hard value=12, min=0, max=15
TI:23:46:03 TH:0x870a00 FI:gpm-
- percentage 80
TI:23:46:03 TH:0x870a00 FI:gpm-
- Displaying 0.800000 on feedback widget
TI:23:46:03 TH:0x870a00 FI:gpm-refcount.c FN:gpm_
- refcount now: 7
TI:23:46:03 TH:0x870a00 FI:gpm-refcount.c FN:gpm_
- non zero, so sending REFCOUNT_ADDED
TI:23:46:03 TH:0x870a00 FI:gpm-backlight.c FN:gpm_
- emitting brightness-changed : 80
TI:23:46:03 TH:0x870a00 FI:gpm-info.c FN:button_
- Button press event type=brightness
TI:23:46:03 TH:0x870a00 FI:gpm-button.c FN:gpm_
- Key 232 mapped to HAL key brightness-down
TI:23...