Date: Thu, 09 Oct 2003 09:20:58 -0700 From: "Kevin Oberman" <oberman@es.net> To: Joao Pedras <jpedras@webvolution.net> Cc: freebsd-stable@freebsd.org Subject: Re: panic after update Message-ID: <20031009162058.AA0445D07@ptavv.es.net> In-Reply-To: Message from Joao Pedras <jpedras@webvolution.net> <20031008211436.2b1f5ff7.jpedras@webvolution.net>
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> Date: Wed, 8 Oct 2003 21:14:36 -0700 > From: Joao Pedras <jpedras@webvolution.net> > Sender: owner-freebsd-stable@freebsd.org > > > Hi all, > > After going over the usual steps to update my laptop (thinkpad A31) to today's -stable I get > a kernel panic when booting the new kernel. I didn't change anything in the kernel > config or anywhere else for that matter. This laptop has been running sucessfully several > versions of -stable over the last year. > > buildworld, buildkernel and friends were 100% sucessfull. > > Any insight into this matter is appreciatted. > > Here is the output: > > apm0: <APM BIOS> on motherboard > Kernel trap 12 with interrupts disabled > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x36 > fault code = supervisor write, page not present > instruction pointer = 0x8:0xc025b240 > stack pointer = 0x10:0xc0436d6e > frame pointer = 0x10:0xc0436e0e > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def 32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 0 (swapper) > interrupt mask = net tty bio com > trap number = 12 > panic: page fault > uptime : 0s > Automatic reboot in 15 seconds This looks like it MIGHT be an APM problem which Peter Wemm found and fixed in CURRENT about a week ago. As far as I know, this is the first report of the problem on a STABLE system (if it's the same problem). Try building a new kernel without APM (and don't load it in /boot/loader.conf, either). If this allows the system to boot, please submit a PR so that the few people who understand the locore.s stuff well enough to have a chance to find it can get it fixed. (I am not one of those people.) -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634
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