Date: Mon, 23 Feb 2009 20:32:49 +0100 From: Roland Smith <rsmith@xs4all.nl> To: prad <prad@towardsfreedom.com> Cc: freebsd-questions@freebsd.org Subject: Re: hp TC4200 tablet Message-ID: <20090223193249.GA43942@slackbox.xs4all.nl> In-Reply-To: <20090223105248.5f04f626@gom.home> References: <20090222164934.65394180@gom.home> <20090223172819.GA40292@slackbox.xs4all.nl> <20090223105248.5f04f626@gom.home>
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[-- Attachment #1 --] On Mon, Feb 23, 2009 at 10:52:48AM -0800, prad wrote: <snip> > > > is there anyway to find out if the tablet is actually being > > > recognized? > > > > Check if /dev/ttyd0 really exists. Also check dmesg output to see if > > the device is recognized. > > > here we have a curious problem. > /dev/ttyd0 is there in the /dev directory. > dmesq puts out the following for sio: > sio0: configured irq 4 not in bitmap of probed irqs 0 > sio0: port may not be enabled > sio0: configured irq 4 not in bitmap of probed irqs 0 > sio0: port may not be enabled I get more or less the same on my system so far. > sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 > sio0: type 8250 or not responding But mine differs here: sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 sio0: type 16550A Looks like the serial hardware is not being recognized. It would supprise me that a relatively modern system would have a 8250 chip, which dates back to the IBM XT! One would expect a 16550A. Could be that the serial hardware is b0rken. > now we don't understand how the sio stuff relates to the /dev/ttyd0 > and /dev/cuad0 See the sio manual page, under FILES; 'man 4 sio'. > > The input-wacom driver comes with a couple of programs (see > > /usr/ports/x11-drivers/input-wacom/pkg-plist) that might be helpfull > > as well, e.g. xsetwacom. > > > thank you. we just tried a wacdump on /dev/ttyd0 from x and console - > both times the entire system froze. what this suggests, i think, is > that the kernel thinks there is nothing there at ttyd0 - in other > words, the tablet's existence has not been picked up by the kernel. Or the serial chip is fried. Chek if you have any weird settings for sio0 in /boot/device.hints. Roland -- R.F.Smith http://www.xs4all.nl/~rsmith/ [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.10 (FreeBSD) iEYEARECAAYFAkmi+eEACgkQEnfvsMMhpyXeIgCff3JIU1YIQctZxIntp4NTxgyJ f3MAoJdktiMZ6oI590GXlkCo8lYyzZk7 =p23e -----END PGP SIGNATURE-----
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