Date: Sun, 16 Oct 2005 15:23:02 +1300 From: Andrew Thompson <thompsa@freebsd.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: current@freebsd.org Subject: Re: RC1 panic on boot Message-ID: <20051016022302.GA30308@heff.fud.org.nz> In-Reply-To: <20051015.185215.15267237.imp@bsdimp.com> References: <20051015014313.GA25990@heff.fud.org.nz> <20051015073245.GA27380@heff.fud.org.nz> <20051015.185215.15267237.imp@bsdimp.com>
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On Sat, Oct 15, 2005 at 06:52:15PM -0600, M. Warner Losh wrote: > In message: <20051015073245.GA27380@heff.fud.org.nz> > Andrew Thompson <thompsa@freebsd.org> writes: > : On Sat, Oct 15, 2005 at 02:43:13PM +1300, Andrew Thompson wrote: > : > I am getting this panic on RC1, I am booting disc1 to install the > : > system. Its a HP Omnibook 4150 and no PC cards are inserted. > : > > : > Fatal trap 12: page fault while in kernel mode > : > fault virtual address = 0x0 > : > fault code = supervisor read, page not present > : > instruction pointer = 0x20:0xc0e96b0a > : > stack pointer = 0x28:0xc1020b7c > : > frame pointer = 0x28:0xc1020b8c > : > code segment = base 0x0, limit 0xfffff, type 0x1b > : > = DPL 0, pres 1, def32 1, gran 1 > : > processor eflags = interrupt enabled, resume, IOPL = 0 > : > current process = 0 (swapper) > : > trap number = 12 > : > panic: page fault > : > : The laptop boots fine without acpi. Here is the line number for the panic. > : > : (gdb) l *acpi_pci_link_lookup+0x42 > : 0x3ffc2 is in acpi_pci_link_lookup (/usr/src/sys/modules/acpi/acpi/../../../dev/ > : acpica/acpi_pci_link.c:590). > : 585 struct acpi_pci_link_softc *sc; > : 586 int i; > : 587 > : 588 ACPI_SERIAL_ASSERT(pci_link); > : 589 sc = device_get_softc(dev); > : 590 for (i = 0; i < sc->pl_num_links; i++) > : 591 if (sc->pl_links[i].l_res_index == source_index) > : 592 return (&sc->pl_links[i]); > : 593 return (NULL); > : 594 } > > Weird. sc has to be null here for this to fail at that line... > I'll add some printf's to confirm. I have tried on a slightly different Omnibook model and I get the same thing, latest bios on both. Andrew
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