Subject: Re: port-i386/32953: Repeated keystrokes under X using APCI kernel
To: Gavan Fantom <gavan@coolfactor.org>
From: Steven M. Bellovin <smb@cs.columbia.edu>
List: port-i386
Date: 03/01/2006 07:50:36
In message <44058B19.3000108@coolfactor.org>, Gavan Fantom writes:
>David Brownlee wrote:
>> 
>> On Tue, 28 Feb 2006, abs@absd.org wrote:
>> 
>> [...]
>>>     While using X the system will randomly repeat keystrokes, sometimes
>>>     doubled, sometimes tripled. This happens a few times a day, but will
>>>     reasonably frequently happen twice within the same second.
>>>
>>>     The system is a thinkpad T41p using xorg from pkgsrc, and a 3.0
>>>     userland. Kernel tested was 3.0_STABLE with acpi (not MP) or 3.99.15
>>>     MPACPI -current.
>>>
>>>     Problem does _not_ occur on a non ACPI kernel.
>> 
>> 
>>     Just to confirm - are other people seeing this?
>
>Yes, I see this on a thinkpad t43p using NetBSD 3.99.8 and ACPI, and X 
>from xsrc.
>
>The problem seems to be more frequent when they system is under load, 
>such as while starting applications. I'm not sure whether CPU or I/O is 
>the main factor here, but I suspect I/O.
>
>It's considerably more frequent than a couple of times a day for me.

I see the same thing with -current, xorg 6.9.0, and *without* acpi.  It 
started about when I upgraded xorg to 6.9 from 6.8.

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb