Date: Tue, 06 Feb 2001 11:02:33 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: Andrea Campi <andrea@webcom.it> Cc: Jim Bloom <bloom@acm.org>, "Crist J. Clark" <cjclark@reflexnet.net>, current@FreeBSD.org Subject: Re: Kernel Panic from Yesterday's CVSup Message-ID: <XFMail.010206110233.jhb@FreeBSD.org> In-Reply-To: <20010206150643.A462@webcom.it>
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On 06-Feb-01 Andrea Campi wrote: >> Problem: I can't do anything at db> prompt? Backtrace is doing nothing >> except >> triggering a new register dump (another fault I assume). > > New kernel, new panic, new info: > > db> witness_list > "Giant" (0xc0279be0) locked at ../../i386/isa/ithread.c:191 > db> show registers > cs 0x8 > ds 0x10 > es 0x10 > fs 0x18 > ss 0x10 > eax 0xdeadc0de > ecx 0xc59eb4b4 > edx 0xc0279be0 Giant > ebx 0xc0a7a480 _end+0x36f8 > esp 0xc65faf68 > ebp 0xc65faf78 > esi 0xc0a7a4e0 _end+0x3758 > edi 0xc01fc998 ithd_loop > eax 0xdeadc0de > efl 0x10282 > > Besides the obvious need to fix this one problem, shouldn't we > ASSERT ih->ih_handler != NULL before calling it? It isn't null in this case, it is 0xdeadc0de. Can you try a pre-preemption kernel and see if that fixes it? > Bye, > Andrea -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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