Date: Wed, 3 Apr 2013 00:25:28 +0200 From: Oliver Pinter <oliver.pntr@gmail.com> To: mh@kernel32.de Cc: Konstantin Belousov <kostikbel@gmail.com>, freebsd-current@freebsd.org Subject: Re: panic at serial boot Message-ID: <CAPjTQNHKP3-8P-bj4AyV_Swy8AQaWJyYUcyvNc-V=Fhn7WiC8w@mail.gmail.com> In-Reply-To: <80b2deb3359ca04fb784334d60719860@kernel32.de> References: <e755813a47d9e5a05dd2d308a6b3d8a9@kernel32.de> <515289AC.3050204@FreeBSD.org> <936608f069b988fcd58707edb9b4dde0@kernel32.de> <20130327133220.GZ3794@kib.kiev.ua> <24096f01453ab9d0fe898522874cd928@kernel32.de> <941a3c1e7cb49087c8bf941399b1e5ae@kernel32.de> <20130402195223.GU3794@kib.kiev.ua> <80b2deb3359ca04fb784334d60719860@kernel32.de>
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On 4/2/13, mh@kernel32.de <mh@kernel32.de> wrote: > Hi again, > > Am 2013-04-02 21:52, schrieb Konstantin Belousov: >> On Tue, Apr 02, 2013 at 08:23:20PM +0200, mh@kernel32.de wrote: >> >> Try breaking into the debugger and see where it progresses. To do >> this, >> you would need to boot with the 'boot -d' command from the loader >> prompt, >> then do 'w kbd_break_to_debugger 1', then ctrl-alt-esc when you want >> to >> activate the debugger. In the debugger, start with the 'ps' command. >> > > After the beastie menu I went to the loader prompt and did "boot -d". > I was sent to the debugger and did "w kbd_break_to_debugger 1". > > This is the output I get. > > INT 13 08: Success, count = 1, BPT = 0000:0000 > GDB: no debug ports present > KDB: debugger backends: ddbhift limit: 0x82 > KDB: current backend: ddbt15 = f000f859 int1e = f000ef6d > KDB: enter: Boot flags requested debuggerint1e = f000ef6d > [ thread pid 0 tid 0 ] booting... > Stopped at kdb_enter+0x3e: movq $0,kdb_why > db> w kbd_break_to_debugger 1 > Symbol not found > > > Where to go from now? A good pointer to documentation is okay too ;) > Sorry if asking too many questions, but although being a FreeBSD user > since 4.0, I never had to debug or been to where I am now. > So in advance another sorry if the question sounds stupid. > > A quick google for 'FreeBSD "w kbd_break_to_debugger 1" "Symbol not > found"' didn't return anything. change the order from console="comconsole,vidconsole" to console="comconsole,vidconsole" in /boot/loader.conf, i think that fixed the problem > > a little helpless regards, > ./Marian > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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