Date: Sun, 18 Oct 2009 14:50:11 +0200 From: Stefan Ehmann <shoesoft@gmx.net> To: Ed Schouten <ed@80386.nl> Cc: freebsd-current@freebsd.org, Hans Petter Selasky <hselasky@c2i.net> Subject: Re: ukbd: short freeze when activating LEDs Message-ID: <200910181450.11838.shoesoft@gmx.net> In-Reply-To: <20090905182929.GB2829@hoeg.nl> References: <200909051806.07692.hselasky@c2i.net> <20090905182929.GB2829@hoeg.nl>
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On Saturday 05 September 2009 20:29:29 Ed Schouten wrote: > * Hans Petter Selasky <hselasky@c2i.net> wrote: > > On Saturday 05 September 2009 16:32:55 Stefan Ehmann wrote: > > > Whenever I press capslock/numlock, the system shortly (< 0.5 ms) > > > freezes. > > > > It might also be because the USB keyboard driver is using Giant, which > > can be congested. > > For half a second? I experience the same issue. I also have the same > issue with the Syscons VGA driver when switching windows. Some time ago > I talked about this with some other people and it may be possible it has > something to do with SMIs. Not sure... > Recently, I got an off-list response pointing me the "Other" section of http://wiki.freebsd.org/BugBusting/Commonly_reported_issues: "When switching consoles (e.g. Alt-F2 to switch to ttyv1), a 2-3 second delay is experienced" The suggested workaround (hint.kbdmux.0.disabled="1") also helps in my case. So it's not necessarily USB-related.
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