I updated from hg today, and xen is crashing fairly early. I haven't tried
bisecting yet, but the last
working version was a week or two ago.
_____ ____ _ _ _
\ \/ /___ _ __ |___ / | ___| _ _ _ __ ___| |_ __ _| |__ | | ___
\ // _ \ '_ \ |_ \ |___ \ __| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
/ \ __/ | | | ___) | ___) |__| |_| | | | \__ \ || (_| | |_) | | __/
/_/\_\___|_| |_| |____(_)____/ \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
(XEN) Xen version 3.5-unstable (jeremy@xxxxxxxxxxxxxxxxxxxx) (gcc version 4.4.0
20090506 (Red Hat 4.4.0-4) (GCC) ) Fri Aug 14 10:48:57 PDT 2009
(XEN) Latest ChangeSet: Fri Aug 14 17:26:23 2009 +0100 20067:5619bed51ec4
(XEN) Command line: loglvl=all guest_loglvl=all com1=115200,8n1 console=com1
noreboot dom0_mem=768m
(XEN) Video information:
(XEN) VGA is text mode 80x25, font 8x16
(XEN) VBE/DDC methods: V2; EDID transfer time: 2 seconds
(XEN) Disc information:
(XEN) Found 1 MBR signatures
(XEN) Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN) 0000000000000000 - 00000000000a0000 (usable)
(XEN) 0000000000100000 - 000000007ffc0000 (usable)
(XEN) 000000007ffc0000 - 000000007ffcfc00 (ACPI data)
(XEN) 000000007ffcfc00 - 000000007ffff000 (reserved)
(XEN) 00000000e0000000 - 00000000fec90000 (reserved)
(XEN) 00000000fed00000 - 00000000fed00400 (reserved)
(XEN) 00000000fee00000 - 00000000fee10000 (reserved)
(XEN) 00000000ffb00000 - 0000000100000000 (reserved)
(XEN) System RAM: 2047MB (2096512kB)
(XEN) ACPI: RSDP 000FD650, 0014 (r0 DELL )
(XEN) ACPI: RSDT 000FD664, 0038 (r1 DELL PE BKC 1 MSFT 100000A)
(XEN) ACPI: FACP 000FD6B0, 0074 (r1 DELL PE BKC 1 MSFT 100000A)
(XEN) ACPI: DSDT 7FFC0000, 388D (r1 DELL PE BKC 1 MSFT 100000E)
(XEN) ACPI: FACS 7FFCFC00, 0040
(XEN) ACPI: APIC 000FD724, 009C (r1 DELL PE BKC 1 MSFT 100000A)
(XEN) ACPI: SPCR 000FD7CC, 0050 (r1 DELL PE BKC 1 MSFT 100000A)
(XEN) ACPI: HPET 000FD81C, 0038 (r1 DELL PE BKC 1 MSFT 100000A)
(XEN) ACPI: MCFG 000FD854, 003C (r1 DELL PE BKC 1 MSFT 100000A)
(XEN) NUMA turned off
(XEN) Faking a node at 0000000000000000-000000007ffc0000
(XEN) Domain heap initialised
(XEN) found SMP MP-table at 000fe710
(XEN) DMI 2.3 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[7ffcfc0c], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
(XEN) Processor #0 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
(XEN) Processor #1 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x06] disabled)
(XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x07] disabled)
(XEN) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
(XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
(XEN) ACPI: IOAPIC (id[0x03] address[0xfec80000] gsi_base[32])
(XEN) IOAPIC[1]: apic_id 3, version 32, address 0xfec80000, GSI 32-55
(XEN) ACPI: IOAPIC (id[0x04] address[0xfec83000] gsi_base[64])
(XEN) IOAPIC[2]: apic_id 4, version 32, address 0xfec83000, GSI 64-87
(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 3 I/O APICs
(XEN) ACPI: HPET id: 0xffffffff base: 0xfed00000
(XEN) PCI: Found Intel Corporation E7520 Memory Controller Hub with MMCONFIG
support.
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) Early fatal page fault at e008:ffff828c8015415c (cr2=ffff83007fc75008,
ec=0000)
(XEN) Stack dump: 000000000007fc76 000000000000000c ffff83007fc77ff0
ffff83007fc76000 ffff828c8026fe58 0000000000000262 0000000000000020
0180000000000000 000000000000010c ffff828c802a6380 ffff83007fc75008
0000000000000001 ffff830000000000 ffff828c80219b0c ffff83007fc76000
0000000000000000 ffff828c8015415c 000000000000e008 0000000000010082
ffff828c8026fdd8 0000000000000000 ffff828c80154158 ffff828c8026fde8
0000000000000262 00000000000002e2 0000000000000086 0000000000000262
0000000000000000 000000008026fe18 ffff83007fc75008 ffff828c00000027
ffff83007fc76000 ffff828c8021dd60 0000000000000002 000000007fc42000
ffff83000008bfc0 ffff83000008bf40 0000000000002000 ffff828c8026fe68
ffff828c80154f85 ffff828c8026fe78 ffff828c80154fa5 ffff828c8026ff18
ffff828c802343ef 0000000000000000 0000000000000000 0000000000a1e000
0000000000aca3e0 ffff83000008bf40 0000000000000000 00000000ffffffff
ffff83000000000c 0000000800000000 000000010000006e 0000000000000003
00000000000002f8 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000067e8c
ffff828c801000b5 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 00000000fffff000
This appears to be:
(gdb) x/i 0xffff828c8015415c
0xffff828c8015415c <map_pages_to_xen+112>: mov (%rax),%rax
(gdb) x/i 0xffff828c80154f85
0xffff828c80154f85 <__memguard_change_range+237>: leaveq
but I can't find a good enclosing frame from there (is there a tool to
pretty-print these stack traces?).
J
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