[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: TP Edge E220s freezes when hotkeys pressed

On Tue, 10 May 2011, Andy Grover wrote:
> I just got an Edge e220s, and am having some issues. If I press Fn-F7
> (lower screen brightness) two times or Fn-F8 (increase brightness) the
> laptop freezes up solid. I get an unhandled HKEY 0x6050 message from
> Fn-F7 the first time I press it, but I'm not thinking thinkpad_acpi is
> the culprit, since  the behavior is the same (2nd F7, 1st F8 freezes
> laptop) even without the module loaded.

Hmm, yet another new event (0x6050).  I would appreciate if you could help
me track down what it means...

As for your brightness change issues: try unloading the ACPI "video" module.
Does that help avoid the crashes?  If it doesn't, try unloading BOTH ACPI
"video" and "thinkpad-acpi".

If you use xrandr to change screen brightness directly (without the
hotkeys), does it cause the crash?

> Do you have any advice or insight into this issue, or how to diagnose
> the cause of this issue?

It is likely something nasty in KMS or X.org backlight handling.  But do
check whether a BIOS update is available for your ThinkPad, it just might

  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

Simplify data backup and recovery for your virtual environment with vRanger.
Installation's a snap, and flexible recovery options mean your data is safe,
secure and there when you need it. Discover what all the cheering's about.
Get your free trial download today. 
ibm-acpi-devel mailing list

[Index of Archives]     [Linux ACPI]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Photo]     [Yosemite Photos]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux