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[Xen-devel] compat BUG

from [Gerd Hoffmann] [Permanent Link][Original]
To: Emmanuel Ackaouy <ack@xxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxxxx>, Xen devel list <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] compat BUG
From: Gerd Hoffmann <kraxel@xxxxxxx>
Date: Wed, 10 Jan 2007 11:06:55 +0100
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  Hi,

Just got this one, see attached log ...

cheers,
  Gerd

-- 
Gerd Hoffmann <kraxel@xxxxxxx>

(XEN) Command line: (hd0,1)/boot/tftp/xen-64.gz dom0_mem=512m hvm_debug=0x0 
com1=115200,8n1
(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009fc00 (usable)
(XEN)  000000000009fc00 - 00000000000a0000 (reserved)
(XEN)  00000000000e6000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 000000003f630000 (usable)
(XEN)  000000003f630000 - 000000003f640000 (ACPI data)
(XEN)  000000003f640000 - 000000003f6f0000 (ACPI NVS)
(XEN)  000000003f6f0000 - 000000003f800000 (reserved)
(XEN)  00000000cff00000 - 00000000f0000000 (reserved)
(XEN)  00000000fed13000 - 00000000fed1a000 (reserved)
(XEN)  00000000fed1c000 - 00000000fed90000 (reserved)
(XEN) System RAM: 1013MB (1038140kB)
(XEN) ACPI: RSDP (v000 ACPIAM                                ) @ 
0x00000000000f55c0
(XEN) ACPI: RSDT (v001 INTEL  @ÃS¸¨??
(XEN)  0x20050516 MSFT 0x00000097) @ 0x000000003f630000
(XEN) ACPI: FADT (v002 INTEL  @ÃS¸¨??
(XEN)  0x20050516 MSFT 0x00000097) @ 0x000000003f630200
(XEN) ACPI: MADT (v001 INTEL  @ÃS¸¨??
(XEN)  0x20050516 MSFT 0x00000097) @ 0x000000003f630390
(XEN) ACPI: MCFG (v001 INTEL  @ÃS¸¨??
(XEN)  0x20050516 MSFT 0x00000097) @ 0x000000003f630400
(XEN) ACPI: MSEG (v001 INTEL  @ÃS¸¨??
(XEN)  0x20050516 MSFT 0x00000097) @ 0x000000003f630440
(XEN) ACPI: WDDT (v001 INTEL  OEMWDDT  0x00000001 INTL 0x02002026) @ 
0x000000003f6363c0
(XEN) ACPI: DSDT (v001 INTEL  @ÃS¸¨??
(XEN)  0x00000001 INTL 0x02002026) @ 0x0000000000000000
(XEN) NUMA turned off
(XEN) Faking a node at 0000000000000000-000000003f630000
(XEN) Domain heap initialised: DMA width 30 bits
(XEN) Xen heap: 13MB (14284kB)
(XEN) found SMP MP-table at 000ff780
(XEN) DMI 2.3 present.
(XEN) Using APIC driver default
(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_NMI (acpi_id[0x01] dfl dfl lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl 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: 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) Using ACPI (MADT) for SMP configuration information
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Initializing CPU#0
(XEN) Detected 3793.037 MHz processor.
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 0
(XEN) VMXON is done
(XEN) Intel machine check architecture supported.
(XEN) Intel machine check reporting enabled on CPU#0.
(XEN) CPU0: Intel P4/Xeon Extended MCE MSRs (24) available
(XEN) CPU0: Thermal monitoring enabled
(XEN) CPU0: Intel Genuine Intel(R) CPU 3.80GHz stepping 06
(XEN) Mapping cpu 0 to node 255
(XEN) Booting processor 1/1 eip 90000
(XEN) Initializing CPU#1
(XEN) Mapping cpu 1 to node 255
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 0
(XEN) VMXON is done
(XEN) Intel machine check architecture supported.
(XEN) Intel machine check reporting enabled on CPU#1.
(XEN) CPU1: Intel P4/Xeon Extended MCE MSRs (24) available
(XEN) CPU1: Thermal monitoring enabled
(XEN) CPU1: Intel Genuine Intel(R) CPU 3.80GHz stepping 06
(XEN) Total of 2 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
(XEN) checking TSC synchronization across 2 CPUs: passed.
(XEN) Platform timer is 1.193MHz PIT
(XEN) Brought up 2 CPUs
(XEN) Machine check exception polling timer started.
(XEN) *** LOADING DOMAIN 0 ***
(XEN) elf_parse_binary: phdr: paddr=0xc0100000 memsz=0x435d5c
(XEN) elf_parse_binary: phdr: paddr=0xc0535d60 memsz=0x18c5a8
(XEN) elf_parse_binary: memory: 0xc0100000 -> 0xc06c2308
(XEN) elf_xen_parse_note: GUEST_OS = "linux"
(XEN) elf_xen_parse_note: GUEST_VERSION = "2.6"
(XEN) elf_xen_parse_note: XEN_VERSION = "xen-3.0"
(XEN) elf_xen_parse_note: VIRT_BASE = 0xc0000000
(XEN) elf_xen_parse_note: PADDR_OFFSET = 0xc0000000
(XEN) elf_xen_parse_note: ENTRY = 0xc0100000
(XEN) elf_xen_parse_note: HYPERCALL_PAGE = 0xc0101000
(XEN) elf_xen_parse_note: HV_START_LOW = 0xf5800000
(XEN) elf_xen_parse_note: FEATURES = 
"writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel"
(XEN) elf_xen_parse_note: PAE_MODE = "yes"
(XEN) elf_xen_parse_note: LOADER = "generic"
(XEN) elf_xen_addr_calc_check: addresses:
(XEN)     virt_base        = 0xc0000000
(XEN)     elf_paddr_offset = 0xc0000000
(XEN)     virt_offset      = 0x0
(XEN)     virt_kstart      = 0xc0100000
(XEN)     virt_kend        = 0xc06c2308
(XEN)     virt_entry       = 0xc0100000
(XEN)  Xen  kernel: 64-bit, lsb, compat32
(XEN)  Dom0 kernel: 32-bit, PAE, lsb, paddr 0xc0100000 -> 0xc06c2308
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   0000000003000000->0000000004000000 (126976 pages to be 
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: 00000000c0100000->00000000c06c2308
(XEN)  Init. ramdisk: 00000000c06c3000->00000000c0c32000
(XEN)  Phys-Mach map: 00000000c0c32000->00000000c0cb2000
(XEN)  Start info:    00000000c0cb2000->00000000c0cb249c
(XEN)  Page tables:   00000000c0cb3000->00000000c0cc1000
(XEN)  Boot stack:    00000000c0cc1000->00000000c0cc2000
(XEN)  TOTAL:         00000000c0000000->00000000c1000000
(XEN)  ENTRY ADDRESS: 00000000c0100000
(XEN) Dom0 has maximum 2 VCPUs
(XEN) Initrd len 0x56f000, start at 0xc06c3000
(XEN) Scrubbing Free RAM: ....done.
(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) Xen is relinquishing VGA console.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen).
(XEN) ioapic_guest_write: apic=0, pin=4, old_irq=4, new_irq=4
(XEN) ioapic_guest_write: old_entry=000009f1, new_entry=000109f1
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
[ ... ]
(XEN) BUG at compat/mm.c:294
(XEN) ----[ Xen-3.0-unstable  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    1
(XEN) RIP:    e008:[<ffff8300001226e8>] __bug+0x28/0x50
(XEN) RFLAGS: 0000000000010282   CONTEXT: hypervisor
(XEN) rax: 0000000000000000   rbx: ffff83000017f0dd   rcx: 0000000000000000
(XEN) rdx: 000000000000000a   rsi: 000000000000000a   rdi: ffff8300001e7337
(XEN) rbp: 00000000000000aa   rsp: ffff83000021fe20   r8:  0000000000000002
(XEN) r9:  0000000000000000   r10: 00000000fffffffa   r11: ffff830000122b10
(XEN) r12: 0000000000000126   r13: 00000000c03a3fcc   r14: 0000000000000001
(XEN) r15: ffff83000021ff28   cr0: 000000008005003b   cr4: 00000000000026f0
(XEN) cr3: 0000000019913000   cr2: 00000000c1edb6e0
(XEN) ds: 007b   es: 007b   fs: 0000   gs: 00d8   ss: 0000   cs: e008
(XEN) Xen stack trace from rsp=ffff83000021fe20:
(XEN)    0000000000000282 00000000c03a3fcc 0000000000000000 0000000000000001
(XEN)    ffff8300001701e6 ffff83000021ff28 ffff83000021fe88 ffff83000021fe94
(XEN)    00007ff0c1edb6e0 0000000000000000 0000000100000000 ffff83000021ff28
(XEN)    0000008000000000 080dc00000000007 0000000100000000 00000000c1edb6e0
(XEN)    ffff8300001aa208 00000000c03a3ec0 ffff8300001aa208 ffff83000021ff28
(XEN)    ffff8300001aa200 0000000000000000 ffff83000011f4ca 0000000000000000
(XEN)    ffff8300001aa20c 000000011ae12067 ffff830000dfa080 00000000c10226a0
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    ffff83000016f9a5 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 00000000c10226a0 00000000c03a3ec0 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 000000000000000d
(XEN)    0000000000000001 00000000c03a3fc0 00000000080dc000 00000000c1edb6e0
(XEN)    0000010000000000 00000000c039f1a7 0000000000000061 0000000000000202
(XEN)    00000000c1adfe3c 0000000000000069 00000080ce81c053 ffeabbfffffeefe9
(XEN)    71300d8bcbebffff 4575c085e8d3c065 0300000000000001 ffff830000dfa080
(XEN) Xen call trace:
(XEN)    [<ffff8300001226e8>] __bug+0x28/0x50
(XEN)    [<ffff8300001701e6>] compat_mmuext_op+0x306/0x420
(XEN)    [<ffff83000011f4ca>] compat_multicall+0x18a/0x270
(XEN)    [<ffff83000016f9a5>] compat_hypercall+0x55/0x59
(XEN)    
(XEN) 
(XEN) ****************************************
(XEN) Panic on CPU 1:
(XEN) BUG at compat/mm.c:294
(XEN) ****************************************
(XEN) 
(XEN) Reboot in five seconds...

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