Hi, Try the patch from kern/65278
http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/65278 Stephan On Sun, 2004-08-29 at 18:13, Rob Deker wrote: > Hi folks, > > New to the list, so please bear with me if this is a question that's > been answered someplace before. I've been searching and can't seem to > find an answer. > > I'm doing some driver hacking w/ FreeBSD 5.2.1 and I've hit a spot where > my life would be much easier if I had remote GDB for kernel debugging. I > am however using a serial console on this box, and can't seem to get > things working so that I have console access to the box on one serial > port and remote gdb running on the other one. Is this possible? I've > tried various combinations of port flags for sio[01] in the device.hints > file, but I'm not having much luck. I've tried toe following > combinations (with the following results): > > - hint.sio.0.flags="0x10" > hint.sio.1.flags="0x80" > > This yeilded a console initially at boot, but one I told the loader > to go ahead and boot the kernel, all I got for output were repeated 0x8e > chars (looks like an accented capital 'A'). > > so, i figured that it might possibly be that the lowest numbered port > should be the one with 0x80 set in flags, so I tried: > > - hint.sio.0.flags="0x80" > hint.sio.1.flags="0x10" > > This got me (again) a console up until kernel load, but after that I > had NO output at all. > > I'm open to any suggestions. My problem is that the machines that are > the debug target and debug host are in my basement headless while my > office is upstairs and I really would like to avoid running up and down > stairs every time I need to switch in and out of gdb mode in ddb (no > matter how much I might need the exercise ;) > > Thanks, > > -d > _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
