On Sun, 4 Jan 2004, Nate Lawson wrote: > On Sun, 4 Jan 2004, M. Warner Losh wrote: > > In message: <20040103233044.N17367_at_root.org> > > Nate Lawson <nate_at_root.org> writes: > > : On Sat, 3 Jan 2004, M. Warner Losh wrote: > > : > In message: <20040103184934.V16815_at_root.org> > > : > Nate Lawson <nate_at_root.org> writes: > > : > : I have a laptop (IBM T23) and use sio0 as my console/gdb port. One thing > > : > : I noticed is if I power up the laptop and boot -h, I get garbage out the > > : > : serial port. However, if I boot fully and then just warm reboot, the > > : > : serial console works fine. I'm only using 9600 bps. Ideas? > > : > > > : > weird. Is the garbage data at some different rate? > > : > > : Nope, checked everything from 1200 up to 38400, different garbage but > > : always garbage. This is with -current as of 2003/12/30, no patches. > > > > Try 115200. > > That works. Now the question is "why". Note that I have no "options > CONSPEED" so according to /sys/dev/sio/sioreg.h, it should default to 9600 > and indeed does, after a reboot. But not on a cold startup. Are you setting BOOT_COMCONSOLE_SPEED anywhere? That also impacts the serial console speed setting. -- Doug White | FreeBSD: The Power to Serve dwhite_at_gumbysoft.com | www.FreeBSD.orgReceived on Sun Jan 04 2004 - 19:47:41 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:37:36 UTC