On Wed, Mar 24, 2010 at 12:18:53AM +0100, Josip Rodin wrote:
> On Fri, Mar 12, 2010 at 01:09:14PM +0100, Josip Rodin wrote:
> > On Fri, Mar 12, 2010 at 12:41:39PM +0100, Josip Rodin wrote:
> > > And now here goes the whole output preceding the 2.6.32 crash:
> > [...]
> > > In the meantime there was another update to the stable branch, I'll go
> > > compile that...
> >
> > The symptoms remained the same, only the CPU MHz calculation and some memory
> > offsets are different.
> >
> > (XEN) mm.c:720:d0 Bad L1 flags 800000
> > (XEN) mm.c:4221:d0 ptwr_emulate: could not get_page_from_l1e()
> > (XEN) d0:v0: unhandled page fault (ec=0003)
> > (XEN) Pagetable walk from ffff8800014fdfd8:
> > (XEN) L4[0x110] = 0000000115002067 0000000000001002
> > (XEN) L3[0x000] = 0000000115006067 0000000000001006
> > (XEN) L2[0x00a] = 0000000116c8a067 0000000000002c8a
> > (XEN) L1[0x0fd] = 00100001154fd065 00000000000014fd
> > (XEN) domain_crash_sync called from entry.S
> > (XEN) Domain 0 (vcpu#0) crashed on cpu#0:
> > (XEN) ----[ Xen-3.4 x86_64 debug=n Not tainted ]----
>
> FWIW I tried to git bisect this in the last couple of days, but the result
> turned out to be fairly obvious and useless as after 14 bisections
> I only came to this:
>
> commit 18ecfad3aaeead019b0e07078f643deaa7d10d44
> x86: make /dev/mem mappings _PAGE_IOMAP
> commit 56f27a6d47275f6dc94adf3ecc5fe958cdcdebee
> xen/dom0: add XEN_DOM0 config option
>
> I didn't follow through with the last bisection, it had seemed increasingly
> futile for a while now... :)
>
> I saw a peculiar side effect at one point, when I went back to a random
> working 2.6.31.1 dom0, all userland processes started crashing with Illegal
> instruction. One iLO reset later, it's all good again. I'm guessing it was
> a transient broken state.
>
> And then when I gave up and updated to latest xen/stable for one last try,
> that was the biggest d'oh moment - it's fixed :) Was it de67ec8b?
BTW with the working .32 kernel, the log says:
[ 0.000000] ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 8, version 0, address 0xfec00000, GSI 0-0
[ 0.000000] ACPI: IOAPIC (id[0x09] address[0xfec80000] gsi_base[24])
[ 0.000000] IOAPIC[1]: apic_id 9, version 0, address 0xfec80000, GSI 24-24
[ 0.000000] ACPI: IOAPIC (id[0x0a] address[0xfec80400] gsi_base[48])
[ 0.000000] IOAPIC[2]: apic_id 10, version 0, address 0xfec80400, GSI 48-48
[ 0.000000] ACPI: IOAPIC (id[0x0b] address[0xfec84000] gsi_base[72])
[ 0.000000] IOAPIC[3]: apic_id 11, version 0, address 0xfec84000, GSI 72-72
[ 0.000000] ACPI: IOAPIC (id[0x0c] address[0xfec84400] gsi_base[96])
[ 0.000000] IOAPIC[4]: apic_id 12, version 0, address 0xfec84400, GSI 96-96
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
[ 0.000000] ERROR: Unable to locate IOAPIC for GSI 2
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ERROR: Unable to locate IOAPIC for GSI 9
[...]
[ 0.023694] ACPI: bus type pci registered
[ 0.023915] PCI: Found Intel Corporation E7520 Memory Controller Hub with
MMCONFIG support.
[ 0.023935] PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 - 255
[ 0.023942] PCI: Not using MMCONFIG.
[ 0.023948] PCI: Using configuration type 1 for base access
[ 0.023959] PCI: HP ProLiant DL380 detected, enabling pci=bfsort.
[ 0.028634] bio: create slab <bio-0> at 0
[ 0.030115] ERROR: Unable to locate IOAPIC for GSI 9
Is there anything I can do to avoid these?
--
Josip Rodin
Racunalno-informacijski sustavi i servisi
CARNet - Croatian Academic and Research Network
J. Marohnica 5, 10000 Zagreb, Croatia
tel. +385 1 66 61 61 6
http://www.carnet.hr/
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