Date: Fri, 7 Jan 2011 13:56:25 -0800 From: Garrett Cooper <gcooper@FreeBSD.org> To: Mark Saad <nonesuch@longcount.org> Cc: freebsd-hackers@freebsd.org Subject: Re: With out ddb and kdb set 7.3-RELEASE amd64 does not boot. Message-ID: <AANLkTinKew-RjN_026TpO%2BsXjXHt%2BAGNxqjAPyhfOsf8@mail.gmail.com> In-Reply-To: <AANLkTikEmdDMsxRp8fUPOw=mXnL4TMNJ8zCkVcdvk7m0@mail.gmail.com> References: <AANLkTikEmdDMsxRp8fUPOw=mXnL4TMNJ8zCkVcdvk7m0@mail.gmail.com>
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On Fri, Jan 7, 2011 at 1:20 PM, Mark Saad <nonesuch@longcount.org> wrote:
> Hello hackers@,
> =A0I have a good question that I cant find an answer for. I believe
> found a kernel bug in 7.3-RELEASE that prevents me from booting 64-bit
> kernels on HP's DL360 G4p . The kernel dies with "Fatal trap 12: page
> fault while in kernel mode " . The hardware works fine in 7.2-RELEASE
> amd64, 7.1-RELEASE amd64, and 6.4-RELEASE amd64 .
>
> In 7.3-RELEASE amd64 I can not boot from cd or pxe correctly using the
> stock 7.3-RELEASE amd64 kernel however i386 works fine. To see if this
> issue was some how fixed in 7.3-RELEASE-p4 amd64 I rebuilt a GENERIC
> kernel using patches sources and tried to boot and I got the same
> crash.
>
> =A0Next I rebuilt the kernel with KDB and DDB to see if I could get a
> core-dump of the system. I also set loader.conf to
>
> kernel=3D"kernel.DEBUG"
> kern.dumpdev=3D"/dev/da0s1b"
>
> Next I pxebooted =A0the box and the system does not crash on boot up, it
> will easily load a nfs root and work fine. So I copied my debug
> kernel, and loader.conf to the local disk and rebooted and it boots
> fine from the local disk .
>
> Rebooting the server and running off the local disks and debug kernel,
> I cant find any issues.
>
> Reboot the box into a GENERIC 7.3-RELEASE-p4 kernel and it crashes
>
> With this error
>
> Fatal trap 12: page fault while in kernel mode
> cpuid =3D 0; apic id =3D 00
> fault virtual address =A0 =3D 0x0
> fault code =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D supervisor write data, pag=
e not present
> instruction pointer =A0 =A0 =3D 0x8:0xffffffff800070fa
> stack pointer =A0 =A0 =A0 =A0 =A0 =A0=3D 0x10:0xffffffff8153cbe0
> frame pointer =A0 =A0 =A0 =A0 =A0 =A0=3D 0x10:0xffffffff8153cc50
> code segment =A0 =A0 =A0 =A0 =A0=3D base 0x0, limit 0xfffff, type 0x1b
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=3D DPL 0, pre=
s 1, long 1, def32 0, gran 1
> processor eflags =A0 =A0 =A0=3D interrupt enabled, resume, IOPL =3D 0
> current process =A0 =A0 =A0 =3D 0 (swapper)
> [thread pid 0 tid 100000 ]
> Stopped at =A0 =A0 =A0bzero+0xa: =A0 =A0 repe stosq =A0 =A0 =A0 %es:(%rdi=
)
>
>
> What do I do , has anyone else seen anything like this ?
What are the messages before that on the kernel console and what
are your drivers loaded on a stable system?
Thanks,
-Garrett
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