Date: Tue, 02 Apr 2013 22:51:30 +0200 From: mh@kernel32.de To: <freebsd-current@freebsd.org> Subject: Re: panic at serial boot Message-ID: <be33dea251d7a7ba54a193e37b58e4b1@kernel32.de> In-Reply-To: <20130402195223.GU3794@kib.kiev.ua> 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>
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Am 2013-04-02 21:52, schrieb Konstantin Belousov: > On Tue, Apr 02, 2013 at 08:23:20PM +0200, mh@kernel32.de wrote: >> Root mount waiting for: usbus2 >> uhub5: 2 ports with 1 removable, self powered >> Trying to mount root from ufs:/dev/md0 []... >> start_init: trying /sbin/init > Good, thank you for testing. > thank you for helping out! :) Although I might have to start another thread on freebsd-stable@, because my actual task here is to get 9.1-RELEASE up and running on this hardware (HP G8 Blade, and/or Dell M620 blade). 9.1-RELEASE weirdly enough gives me no serial output whatsoever. With identical loader settings. Well... I just thought I'd give -CURRENT a try and realized this problem and then thought I might as well continue here, since -CURRENT will be 10.0-REL someday... >> >> And it stayed there for the last 10 minutes. >> >> What can I do now? > I booted the image in qemu, initially there were no output on the > screen. In fact, the system is very much alive, I broke into the > debugger several times, and saw the tar/xz/sh working. More, after > some > time, I got a login: prompt. > Interesting... > I have no idea what to expect from this thing, should it output > anything > after the kernel finished initializing, and why it sit there for 10 > minutes. > > 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. > I'm going to give it a try, although it'll be quite hard. I'm at a serial console via ssh on a HP blade with 9600 baud. I do wonder whether I can see anything while trying to get to the boot prompt. Let alone how to send a ctrl alt esc sequence via this line. hm. I broke too early into the loader, did I? FreeBSD/x86 boot Default: 0:ad(0,a)boot boot: boot -dNo boot I'm going to continue trying to boot with -d and then break to the debugger. Let's see how long it'll take me on this serial line. Yuk. And I don't dare trying the Java applet for VGA. This one's even more difficult with regards to input/output. Later, ./Marian
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