Ubuntu
xserver-xorg-video-intel package

  1. Bug #397617
  2. Comment #38

Comment 38 for bug 397617

Revision history for this message
In , Zhang Rui (rui-zhang) wrote :

(In reply to comment #30)
> [combuster@vostro ~]$ dmesg|grep DSDT
> [ 0.000000] ACPI: Override [DSDT-CRESTLNE], this is unsafe: tainting kernel
> [ 0.000000] ACPI: DSDT @ 0x000000007f6d7db1 Table override, replaced with:
> [ 0.000000] ACPI: DSDT ffffffff8147c8b0 06EA0 (v02 TOSCPL CRESTLNE 06040000
> INTL 20081204)
> [ 0.095845] ACPI: EC: Look up EC in DSDT
> [combuster@vostro ~]$ cat /proc/acpi/video/GFX0/*/state

here I mean "cat /proc/acpi/video/GFX0/*/info"

please do the following test,
1. kill acpid
2. cat /proc/acpi/event
3. press the hotkey for several times
attach the output of /proc/acpi/event file.