Date: Thu, 19 Nov 2009 08:00:13 -0600 From: Karl Denninger <karl@denninger.net> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-stable@freebsd.org Subject: Re: V8.x-PRE2 Serious PUC problem - Heads Up! Message-ID: <4B054F6D.70300@denninger.net> In-Reply-To: <200911191357.nAJDvd3X095748@lava.sentex.ca> References: <4B054DCC.6020701@denninger.net> <200911191357.nAJDvd3X095748@lava.sentex.ca>
next in thread | previous in thread | raw e-mail | index | archive | help
This is a multi-part message in MIME format. --------------080409010609040000060607 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit 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 --------------080409010609040000060607--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4B054F6D.70300>