[Xen-devel] Re: xen-unstable: xen hang on boot

[Keir Fraser <keir.xen@xxxxxxxxx>]

On 08/08/2011 23:50, "Jeremy Fitzhardinge" <jeremy@xxxxxxxx> wrote:

> I just updated Xen from xen-unstable, and its hanging in the middle of
> boot, during what appears to be APIC setup:
> 
> [...]
> (XEN) ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
> (XEN) ACPI: IOAPIC (id[0x07] address[0xfec00000] gsi_base[0])
> (XEN) IOAPIC[0]: apic_id 7, version 32, address 0xfec00000, GSI 0-23
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> (XEN) ACPI: IRQ0 used by override.
> (XEN) ACPI: IRQ2 used by override.
> (XEN) ACPI: IRQ9 used by override.
> (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
> (XEN) ACPI: HPET id: 0x8086a701 base: 0xfed00000
> [hang]
> 
> 
> Full dump below.
> 
> The machine is my standard test/dev server, which I've been using for
> the last 18 months or so.  The only environmental change is that I've
> updated it to F15, which has a new compiler.  But I've compiled Xen with
> that on other machines without problems.  I'm not sure what the previous
> version of Xen I was using, but xen-unstable from at least a month or
> two ago.
> 
> Any clues?

Looks like a boot failure we saw on some automated tests, although those
failures were limited to AMD systems. If it's the same problem, reverting
two MCE patches (changesets 23736 and 23737) will fix it.

 -- Keir

> Thanks,
>     J
> 
>  __  __            _  _    ____                     _        _     _
>  \ \/ /___ _ __   | || |  |___ \    _   _ _ __  ___| |_ __ _| |__ | | ___
>   \  // _ \ '_ \  | || |_   __) |__| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
>   /  \  __/ | | | |__   _| / __/|__| |_| | | | \__ \ || (_| | |_) | |  __/
>  /_/\_\___|_| |_|    |_|(_)_____|   \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
>                  
> (XEN) Xen version 4.2-unstable (jeremy@) (gcc version 4.6.0 20110603 (Red Hat
> 4.6.0-10) (GCC) ) Mon Aug  8 14:51:13 PDT 2011
> (XEN) Latest ChangeSet: Thu Jul 28 15:40:54 2011 +0100 23757:0f36c2eec2e1
> (XEN) Bootloader: GNU GRUB 0.97
> (XEN) Command line: com2=115200,8n1,0x3e8,5 console=com2,vga cpufreq=xen
> (XEN) Video information:
> (XEN)  VGA is text mode 80x25, font 8x16
> (XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
> (XEN)  EDID info not retrieved because no DDC retrieval method detected
> (XEN) Disc information:
> (XEN)  Found 5 MBR signatures
> (XEN)  Found 5 EDD information structures
> (XEN) Xen-e820 RAM map:
> (XEN)  0000000000000000 - 000000000009d800 (usable)
> (XEN)  000000000009d800 - 00000000000a0000 (reserved)
> (XEN)  00000000000e0000 - 0000000000100000 (reserved)
> (XEN)  0000000000100000 - 00000000bf790000 (usable)
> (XEN)  00000000bf79e000 - 00000000bf7a0000 type 9
> (XEN)  00000000bf7a0000 - 00000000bf7ae000 (ACPI data)
> (XEN)  00000000bf7ae000 - 00000000bf7d0000 (ACPI NVS)
> (XEN)  00000000bf7d0000 - 00000000bf7e0000 (reserved)
> (XEN)  00000000bf7ed000 - 00000000c0000000 (reserved)
> (XEN)  00000000e0000000 - 00000000f0000000 (reserved)
> (XEN)  00000000fed20000 - 00000000fed40000 (reserved)
> (XEN)  00000000fee00000 - 00000000fee01000 (reserved)
> (XEN)  0000000100000000 - 0000000340000000 (usable)
> (XEN) ACPI: RSDP 000FA280, 0024 (r2 ACPIAM)
> (XEN) ACPI: XSDT BF7A0100, 0084 (r1 SMCI            20100527 MSFT       97)
> (XEN) ACPI: FACP BF7A0290, 00F4 (r3 052710 FACP1450 20100527 MSFT       97)
> (XEN) ACPI: DSDT BF7A05F0, 6C7B (r1  10605 10605000        0 INTL 20051117)
> (XEN) ACPI: FACS BF7AE000, 0040
> (XEN) ACPI: APIC BF7A0390, 0092 (r1 052710 APIC1450 20100527 MSFT       97)
> (XEN) ACPI: MCFG BF7A0430, 003C (r1 052710 OEMMCFG  20100527 MSFT       97)
> (XEN) ACPI: OEMB BF7AE040, 0073 (r1 052710 OEMB1450 20100527 MSFT       97)
> (XEN) ACPI: HPET BF7AA5F0, 0038 (r1 052710 OEMHPET  20100527 MSFT       97)
> (XEN) ACPI: GSCI BF7AE0C0, 2024 (r1 052710 GMCHSCI  20100527 MSFT       97)
> (XEN) ACPI: DMAR BF7B00F0, 0090 (r1    AMI  OEMDMAR        1 MSFT       97)
> (XEN) ACPI: SSDT BF7B1580, 0363 (r1 DpgPmm    CpuPm       12 INTL 20051117)
> (XEN) ACPI: EINJ BF7AA630, 0130 (r1  AMIER AMI_EINJ 20100527 MSFT       97)
> (XEN) ACPI: BERT BF7AA7C0, 0030 (r1  AMIER AMI_BERT 20100527 MSFT       97)
> (XEN) ACPI: ERST BF7AA7F0, 01B0 (r1  AMIER AMI_ERST 20100527 MSFT       97)
> (XEN) ACPI: HEST BF7AA9A0, 00A8 (r1  AMIER ABC_HEST 20100527 MSFT       97)
> (XEN) System RAM: 12279MB (12573876kB)
> (XEN) No NUMA configuration found
> (XEN) Faking a node at 0000000000000000-0000000340000000
> (XEN) Domain heap initialised
> (XEN) found SMP MP-table at 000ff780
> (XEN) DMI present.
> (XEN) Using APIC driver default
> (XEN) ACPI: PM-Timer IO Port: 0x808
> (XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[804,0], pm1x_evt[800,0]
> (XEN) ACPI:                  wakeup_vec[bf7ae00c], vec_size[20]
> (XEN) ACPI: Local APIC address 0xfee00000
> (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> (XEN) Processor #0 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
> (XEN) Processor #2 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x04] enabled)
> (XEN) Processor #4 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x06] enabled)
> (XEN) Processor #6 7:14 APIC version 21
> (XEN) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x84] disabled)
> (XEN) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x85] disabled)
> (XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x86] disabled)
> (XEN) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x87] disabled)
> (XEN) ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
> (XEN) ACPI: IOAPIC (id[0x07] address[0xfec00000] gsi_base[0])
> (XEN) IOAPIC[0]: apic_id 7, version 32, address 0xfec00000, GSI 0-23
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> (XEN) ACPI: IRQ0 used by override.
> (XEN) ACPI: IRQ2 used by override.
> (XEN) ACPI: IRQ9 used by override.
> (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
> (XEN) ACPI: HPET id: 0x8086a701 base: 0xfed00000
> 
> 



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