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Re: Keyboard freeze on new laptop
Marc Baudoin <babafou%babafou.eu.org@localhost> écrit :
> Marc Baudoin <babafou%babafou.eu.org@localhost> écrit :
> > I've just got a new laptop, Clevo N750BU:
> > http://www.clevo.com.tw/clevo_prodetail.asp?id=995&lang=en
> > I've installed a NetBSD-current from the latest snapshot
> > (February 12th) because 7.1_RC1 won't boot (it stops midway).
> > -current works almost fine except for three things:
> > - The keyboard works fine after boot but stops working after some
> > time (from a few minutes to generally less than an hour, in
> > console mode or within an X11 session so it has to come from
> > the kernel, not the X11 server). If I plug an external USB
> > keyboard, it works fine without freezing anytime even after the
> > internal keyboard is frozen. And there's no clue in the dmesg
> > output.
> > - the touchpad is not detected bu the kernel (this is not a
> > problem for me, I always use a USB mouse)
> > - the wireless networking interface iwm0 is not working though
> > correctly detected (again, this is not a problem, I have a USB
> > wireless that works)
> > The keyboard freezes are the main problem for me because I just
> > can't use the laptop with an external keyboard. Any idea (dmesg
> > attached)?
> Well, I think I've determined what causes the keyboard to hang.
> It happens reliably as soon as I touch the touchpad. If I don't
> touch it, the keyboard can work fine for hours but it's not easy
> to work on a laptop without touching the touchpad.
> I checked with another OS (in that case, FreeBSD), the keyboard
> works always fine, even after touching the touchpad (which is
> properly recognized as a mouse). So it's really a software
> I rebuilt a GENERIC kernel (last sources from nyftp's
> NetBSD-daily) changing only this:
> < pckbc* at acpi? # PC keyboard controller
> > pckbc1 at acpi? # PC keyboard controller
> and rebooted. The touchpad is disabled OK:
> < pckbc2 at acpi0 (SYNM, SYN1222-3) (aux port): irq 12
> > SYNM (SYN1222) at acpi0 not configured
> but my problem is still present. It must be deeper than what I
> So I ask the pckbc gurus. Any idea? It's too bad to have my new
> laptop sitting here without being able to use it...
Just opened kern/52070 so that the problem can be traced and
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