Re: USB LG laptop keyboards stop working after Linux 3.9

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

 



On Fri, Feb 20, 2015 at 11:15:52PM +0400, Jay Philips wrote:
> Hello,
> 
> I was asked by Greg Kroah-Hartman to send this email to the mailing list
> regarding USB keyboards on LG laptops no longer functioning after Linux 3.9.
> Below is the text from the bug report i left at (
> https://bugzilla.kernel.org/show_bug.cgi?id=93541 ).
> 
> ----------------------------------
> 
> Starting with Linux 3.9, the internal USB keyboard in my LG laptop (LG R1
> model LGW4) stopped functioning in all linux distributions i've tried.
> 
> I had spoken to a few guys in the kernel irc channel and they told me that i
> should point out the keyboard is found in the attached dmesg log file on
> line:
> 
> [    5.516045] input: AT Translated Set 2 keyboard as
> /devices/platform/i8042/serio0/input/input4

That's not a USB keyboard, it's a built-in-keyboard-controller keyboard.

> I had submitted the bug to ubuntu's launchpad bug service and they told me
> that i should take the bug upstream (
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1287325 ) and mentioned
> the following (comment 26).
> 
> "It appears the keyboard is not recognized in 13.04, but it is in 13.10. ...
> It may be the bug is caused by the fact that the keyboard now being
> recognized in 13.10 and another code path is being used."
> 
> Other LG laptop users have also encountered the same problems ( http://askubuntu.com/questions/361692/laptop-keyboard-not-responding-after-upgrade-from-13-04-to-13-10, http://stevesubuntutweaks.blogspot.no/2013/10/laptop-keyboard-stopped-working-after.html
> ) and the solution that i currently use is to set "i8042.dumbkbd=1" in the
> grub commandline to get it running.

That option seems like a solution, right?

As this isn't really a USB keyboard (sorry, missed that in your original
bug entry), try sending this to the linux-input@xxxxxxxxxxxxxxx mailing
list where the input developers are.  They can help you out better than
we can here.

thanks,

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux