From owner-freebsd-hackers Sun Jun 20 22:19:27 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from obie.softweyr.com (unknown [204.68.178.33]) by hub.freebsd.org (Postfix) with ESMTP id 9826614D7A; Sun, 20 Jun 1999 22:19:06 -0700 (PDT) (envelope-from wes@softweyr.com) Received: from softweyr.com (homer.softweyr.com [204.68.178.39]) by obie.softweyr.com (8.8.8/8.8.8) with ESMTP id XAA03695; Sun, 20 Jun 1999 23:18:52 -0600 (MDT) (envelope-from wes@softweyr.com) Message-ID: <376DCB36.27D3177A@softweyr.com> Date: Sun, 20 Jun 1999 23:18:46 -0600 From: Wes Peters Organization: Softweyr LLC X-Mailer: Mozilla 4.5 [en] (X11; U; FreeBSD 3.1-RELEASE i386) X-Accept-Language: en MIME-Version: 1.0 To: Greg Lehey Cc: FreeBSD current users , FreeBSD Hackers Subject: Re: Remote serial gdb--status? References: <19990618114450.Q9893@freebie.lemis.com> <376AA1E6.F529ED99@softweyr.com> <19990621091742.U6820@freebie.lemis.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Greg Lehey wrote: > On Friday, 18 June 1999 at 13:45:42 -0600, Wes Peters wrote: > > Greg Lehey wrote: > >> > >> I've been away from work for several weeks, and I now find that I can > >> no longer start remote serial gdb. I am using sio0 on the debugged > >> machine side, and sio1 on the debugging machine side. Here are the > >> relevant dmesg outputs: > >> > >> [...] > > > > I think you need flags 0x50 (instead of 0x90) on panic. From sio(4): > > > > [...] > > In fact, it was all OK. The serial port seems to be flaky. It works > OK at 9600 bps, but drops characters at 38400. I'm still > investigating whether this is hardware or software: it seems to work > fine in normal mode, but when it's in serial debug mode it can often > drop two characters at a time, and there's no overrun indication. Ick. Is this a port on the motherboard? I'd try a known good card if you have one about. -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC http://www.softweyr.com/~softweyr wes@softweyr.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message