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[Xen-users] qemu-dm segfault, error 14


  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Matthias Ableitner <spam@xxxxxxx>
  • Date: Mon, 06 Aug 2007 09:26:19 +0200
  • Delivery-date: Mon, 06 Aug 2007 00:25:32 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi,

i've running a machine with a windows 2003 domU. At night, the cron.dailys are processed, and at this time, qemu-dm crashes:

qemu-dm[6968]: segfault at 0000000000000000 rip 0000000000000000 rsp 0000000041000c08 error 14

the commands that are executed at the time the qemu crashes are (i'm not really sure,but if it crashes tonight too, i could give the exact info):

mv /backup/snap.ntfsclone /backup/snap.ntfsclone.1
lvcreate --snapshot --size 60G /dev/vg1/windows2003 --name snap

Any ideas?

Matthias




--

config-file:
kernel = "/usr/lib/xen/boot/hvmloader"
builder = "hvm"
memory = "993"
device_model= "/usr/lib/xen/bin/qemu-dm"
disk = [ 'phy:/dev/vg1/windows2003,ioemu:hda,w' ,
         'file:/images/Windows2003-CD1.iso,ioemu:hdb:cdrom,r' ]

name = "windows2003"
vif = [ "type=ioemu, bridge=xenbr0" ]
boot='d'
vnc=1
vncviewer=0
sdl=0
vnclisten='192.168.1.1'

xm dmesg:
(XEN) Command line: /xen.gz dom0_mem=1024M
(XEN)  0000000000000000 - 000000000009f000 (usable)
(XEN)  0000000000100000 - 000000007ffd0000 (usable)
(XEN) System RAM: 2047MB (2096572kB)
(XEN) Xen heap: 13MB (14224kB)
(XEN) Domain heap initialised: DMA width 32 bits
(XEN) Processor #0 15:11 APIC version 16
(XEN) Processor #1 15:11 APIC version 16
(XEN) IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23
(XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2200.012 MHz processor.
(XEN) HVM: SVM enabled
(XEN) CPU0: AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ stepping 02
(XEN) Mapping cpu 0 to node 255
(XEN) Booting processor 1/1 eip 90000
(XEN) Mapping cpu 1 to node 255
(XEN) AMD: Disabling C1 Clock Ramping Node #0
(XEN) CPU1: AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ stepping 02
(XEN) Total of 2 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
(XEN)  works.
(XEN) Platform timer is 1.193MHz PIT
(XEN) Brought up 2 CPUs
(XEN) *** LOADING DOMAIN 0 ***
(XEN)  Xen  kernel: 64-bit, lsb, compat32
(XEN) Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80100000 -> 0xffffffff80523ca8
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 000000007d000000->000000007e000000 (258048 pages to be allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: ffffffff80100000->ffffffff80523ca8
(XEN)  Init. ramdisk: ffffffff80524000->ffffffff80b10600
(XEN)  Phys-Mach map: ffffffff80b11000->ffffffff80d11000
(XEN)  Start info:    ffffffff80d11000->ffffffff80d1149c
(XEN)  Page tables:   ffffffff80d12000->ffffffff80d1d000
(XEN)  Boot stack:    ffffffff80d1d000->ffffffff80d1e000
(XEN)  TOTAL:         ffffffff80000000->ffffffff81000000
(XEN)  ENTRY ADDRESS: ffffffff80100000
(XEN) Dom0 has maximum 2 VCPUs
(XEN) Initrd len 0x5ec600, start at 0xffffffff80524000
(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=2, old_irq=-1, new_irq=0
(XEN) ioapic_guest_write: old_entry=00010000, new_entry=000009f0
(XEN) ioapic_guest_write: Installing bogus unmasked IO-APIC entry!


xm info:
host                   : xen0
release                : 2.6.16.49-xen
version                : #20 SMP Sun Jul 15 02:18:46 CEST 2007
machine                : x86_64
nr_cpus                : 2
nr_nodes               : 1
sockets_per_node       : 1
cores_per_socket       : 2
threads_per_core       : 1
cpu_mhz                : 2200
hw_caps : 178bfbff:ebd3fbff:00000000:00000010:00002001:00000000:0000001f
total_memory           : 2047
free_memory            : 1
xen_major              : 3
xen_minor              : 1
xen_extra              : .0
xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
cc_compiler            : gcc version 4.1.1 (Gentoo 4.1.1-r3)
cc_compile_by          : root
cc_compile_domain      :
cc_compile_date        : Fri Jul 13 23:44:36 Local time
xend_config_format     : 4

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