[Fedora-xen] Xen 3.4.1 dom0 crash on boot
Pasi Kärkkäinen
pasik at iki.fi
Tue Sep 15 12:10:26 UTC 2009
On Tue, Sep 15, 2009 at 12:45:57PM +0100, M A Young wrote:
> On Tue, 15 Sep 2009, Charles Gruener wrote:
>
> >Thanks for the help on configuring my boot options. I apologize that I
> >forgot to mention I'm using the latest kernel from M. Young,
> >2.6.31-1.2.65.xendom0.fc12.x86_64. Here's what I get now that I've done
> >all of what you've said:
> >
> >...
> >
> >(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input
> >to Xen)
> >(XEN) Freed 128kB init memory.
> >(XEN) mm.c:1697:d0 Bad L1 flags 800000
> >(XEN) traps.c:437:d0 Unhandled invalid opcode fault/trap [#6] on VCPU 0
> >[ec=0000]
> >(XEN) domain_crash_sync called from entry.S
> >(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
> >(XEN) ----[ Xen-3.4.1 x86_64 debug=n Not tainted ]----
> >(XEN) CPU: 0
> >(XEN) RIP: e033:[<ffffffff81a017f1>]
> >(XEN) RFLAGS: 0000000000000282 EM: 1 CONTEXT: pv guest
> >(XEN) rax: 00000000ffffffea rbx: ffffffff8182b000 rcx: 00000000001b582b
> >(XEN) rdx: 0000000000000000 rsi: 80000001b582b061 rdi: ffffffff8182b000
> >(XEN) rbp: ffffffff8174ff98 rsp: ffffffff8174fef8 r8: 0000000000000000
> >(XEN) r9: 0000000000000000 r10: 0000000000000000 r11: 0000000000000000
> >(XEN) r12: ffffffff8174ffa8 r13: ffffffff8174ff40 r14: 0000000000000080
> >(XEN) r15: 0000000000000000 cr0: 000000008005003b cr4: 00000000000026f0
> >(XEN) cr3: 00000001b7208000 cr2: 0000000000000000
> >(XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033
> >(XEN) Guest stack trace from rsp=ffffffff8174fef8:
> >(XEN) 00000000001b582b 0000000000000000 ffffffff81a017f1
> >000000010000e030
> >(XEN) 0000000000010082 ffffffff8174ff38 000000000000e02b
> >ffffffff81a017ed
> >(XEN) 0000000000000000 0000000000000000 0000000000000000
> >0000000000000000
> >(XEN) 000000000000182b 0000008000000000 ffffffff8100cc87
> >0000000000000000
> >(XEN) 0000000000000000 0000000000000000 0000000000000000
> >0000000000000000
> >(XEN) ffffffff8174ffc8 ffffffff81021271 ffff8182b000007f
> >000000000000ffff
> >(XEN) 0000000000000000 0000000000000000 ffffffff8174fff8
> >ffffffff81a01b49
> >(XEN) 0000000000000000 0000000000000000 0000000000000000
> >0000000000000000
> >(XEN) 0000000000000000
> >(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
> >
> >Looking through that information, I don't see anything that really helps
> >me out. Am I missing something? Anything else I should try BIOS level
> >that could shed some light on the nature of the issue or is my best bet to
> >try booting a debug version of Xen?
>
> You can dig the vmlinux file out of the debuginfo rpm
> http://koji.fedoraproject.org/koji/getfile?taskID=1668157&name=kernel-debuginfo-2.6.31-1.2.65.xendom0.fc12.x86_64.rpm
> feed it into gdb and see what x/i ffffffff81a017f1 tells you about what
> code it was trying to run when it crashed.
>
Yes, this will be definitely helpful.
so just do:
gdb vmlinux
x/i ffffffff81a017f1
And paste the output here..
-- Pasi
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