Date: Sat, 24 Feb 2007 23:59:55 -0800 From: "Kip Macy" <kip.macy@gmail.com> To: "Joe Auty" <joe@netmusician.org> Cc: freebsd-hackers@freebsd.org, FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: kernel panic at boot on any 6.x OS Message-ID: <b1fa29170702242359h4ac9ec36i9f0162b10ec08270@mail.gmail.com> In-Reply-To: <6B2A41DC-79FA-42A1-B1BC-BB9F0A74B765@netmusician.org> References: <6B2A41DC-79FA-42A1-B1BC-BB9F0A74B765@netmusician.org>
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It looks as if you've hit a device driver that is trying to print out a null string. The message you've given doesn't provide any more information than that. If you install a snapshot kernel it will probably have ddb compiled in which will allow you to at least get a backtrace. I'm sorry you're having trouble. -Kip On 2/24/07, Joe Auty <joe@netmusician.org> wrote: > Hello, > > (sorry, don't know whether kernel problems should go to questions or > hackers, or both).. > > This has been a long-standing problem of mine, but I always ignored > it hoping it would go away on its own with a future 6.x release, but > it remains... > > No matter whether I boot into safe mode or regular mode, with all > kernel extensions disabled in /boot/loader.conf, I get the following > panic late at boot of a fresh RELENG_6_2 kernel (with only a few > services left to bring up). The 6.x kernels I've tried all build and > installed cleanly without any errors... > > > > WARNING: Device driver " > > > > Fatal trap 12: page fault while in kernel mode > > fault virtual address = 0x400000 > > fault code = supervisor read, page not present > > instruction pointer = 0x20:0xc06d4614 > > stack pointer = 0x28:0xf015491c > > frame pointer = 0x28:0xf015491c > > code segment = base 0x0, limit 0xffffff, type 0x1b > > = DPL 0, pres 1, def32 1, gran 1 > > processor eflags = interupt enabled, resume, IOPL = 0 > > current process = 898 (kldload) > > trap number = 12 > > panic: page fault > > uptime: 36s > > cannot dump. No dump device defined > > automatic reboot in 15 seconds > > > This problem does not occur within any 5.x OS for me. I would > certainly like to resolve this issue now, but this sort of debugging > is over my head beyond running fsck (which I've tried). Any ideas here? > > Thanks in advance for your help! > > > > > > ----------- > Joe Auty > NetMusician: web publishing software for musicians > http://www.netmusician.org > joe@netmusician.org > > > >
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