Mike Tancsa wrote: > At 08:53 AM 11/19/2009, Karl Denninger wrote: > >> I will update as I have more information - this is a serious issue for >> anyone who needs working serial ports on multiport cards under FreeBSD >> for things like a fax server..... this is not the sort of "surprise" one >> wants to see! > > Its not the puc per se as the transition from sio to uart > > from /usr/src/UPDATING > > 20080713: > The sio(4) driver has been removed from the i386 and amd64 > kernel configuration files. This means uart(4) is now the > default serial port driver on those platforms as well. > > To prevent collisions with the sio(4) driver, the uart(4) driver > uses different names for its device nodes. This means the > onboard serial port will now most likely be called "ttyu0" > instead of "ttyd0". You may need to reconfigure applications to > use the new device names. > > When using the serial port as a boot console, be sure to update > /boot/device.hints and /etc/ttys before booting the new kernel. > If you forget to do so, you can still manually specify the hints > at the loader prompt: > > set hint.uart.0.at="isa" > set hint.uart.0.port="0x3F8" > set hint.uart.0.flags="0x10" > set hint.uart.0.irq="4" > boot -s Well ok then the uart driver is BROKEN.
It simply locks up on the port after some period of time, returning nothing. I have found no way to reset the port other than a reboot either. That's a "surprise" that people running fax servers and other similar things are going to be very unhappy about. -- Karl
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