Date: Sat, 23 Aug 2003 21:33:31 +0000 (GMT) From: bruno schwander <bruno@tinkerbox.org> To: freebsd-mobile@freebsd.org Subject: ibm thinkpad 600, freeze when serial port accessed ... Message-ID: <20030823212402.Q240@thinkpad.bschwand.net>
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anytime I try to access the serial port, the laptop freezes and a reboot is needed. dmesg output for sio: sio0: configured irq 4 not in bitmap of probed irqs 0 sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 sio0: type 8250 this is on: FreeBSD thinkpad 4.8-RELEASE FreeBSD 4.8-RELEASE #2: Tue Aug 19 19:44:37 GMT 2003 bruno@thinkpad:/usr/obj/usr/src/sys/THINKPAD i386 under windows 98 (also installed on that same machine, in an other partition) I checked that the serial port is enabled and the infrared serial port disabled (with the special thinkpad configuration tool) . Windows hardware shows the serial port as irq 4, port 3f8-3ff but who knows if that what it really should be. I read in some other port that the 'not in bitmap of probed irq' means the port was not detected correctly. How should that be configured ? Isn't that serial port part of the support chip ? Anybody using successfully their serial port on a thinkpad 600, please let me know your configuration... Anybody else with ideas on what to check, let me know ! Thanks, bruno
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