Date: Tue, 28 Feb 2006 09:08:17 -0600 From: Craig Boston <craig@xfoil.gank.org> To: Maksim Yevmenkin <maksim.yevmenkin@savvis.net> Cc: freebsd-current@freebsd.org Subject: Re: [PATCH] kbdmux(4) update Message-ID: <20060228150546.GA13431@nowhere> In-Reply-To: <43FF986E.9030205@savvis.net>
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On Fri, Feb 24, 2006 at 03:36:14PM -0800, Maksim Yevmenkin wrote: > dear Hackers, > > i was finally able to trace hard lockup problem with kbdmux(4), ps/2 > keyboard and ps/2 mouse under x11. > > the problem was traced back to the following code in kbdmux(4) > > this is only happening when kbdmux(4), ps/2 keyboard and ps/2 mouse used > together, and, here is why: atkbd_check_char() calls kbdc_data_ready(). > the later will return "true" if there are pending data in either kbd or > aux queue. Hmm, I wonder if this could be the cause of the lockups on my laptop when using the touchpad. I started using kbdmux a while ago with the built-in (PS/2) and USB keyboard but never even suspected it when I traced my occasional hard lockups to using the touchpad. I'll try the patch tonight and see if it clears up the problem. Craighome | help
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