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[Xen-users] Kernel Panic (2.6.15)

Hi @all,

does anybody have a clue why my Kernel is ending up in a kernel-panic?

Now... here are some informations:

\ \/ /___ _ __   |___ / / _ \ / _ \
 \  // _ \ '_ \    |_ \| | | | | | |
 /  \  __/ | | |  ___) | |_| | |_| |
/_/\_\___|_| |_| |____(_)___(_)___/

http://www.cl.cam.ac.uk/netos/xen
University of Cambridge Computer Laboratory
Xen version 3.0.0 (root@) (gcc version 4.0.3 20060104 (prerelease) (Debian 4.0.2-6)) Fr Jan 20 02:39:32 CET 2006 
Latest ChangeSet: Thu Jan 19 20:04:53 2006 +0100 8631:8a3549172896

(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009b800 (usable)
(XEN)  000000000009b800 - 00000000000a0000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 000000007ff70000 (usable)
(XEN)  000000007ff70000 - 000000007ff7a000 (ACPI data)
(XEN)  000000007ff7a000 - 000000007ff80000 (ACPI NVS)
(XEN)  000000007ff80000 - 0000000080000000 (reserved)
(XEN)  00000000e0000000 - 00000000f0000000 (reserved)
(XEN)  00000000fec00000 - 00000000fec10000 (reserved)
(XEN)  00000000fee00000 - 00000000fee01000 (reserved)
(XEN)  00000000ff800000 - 00000000ffc00000 (reserved)
(XEN)  00000000fffffc00 - 0000000100000000 (reserved)
(XEN) System RAM: 2047MB (2096172kB)
(XEN) Xen heap: 14MB (14628kB)
(XEN) Using scheduler: Simple EDF Scheduler (sedf)
(XEN) found SMP MP-table at 000f63a0
(XEN) DMI present.
(XEN) Using APIC driver default
(XEN) ACPI: RSDP (v000 PTLTD ) @ 0x00000000000f6410 (XEN) ACPI: RSDT (v001 PTLTD RSDT 0x06040000 LTP 0x00000000) @ 0x000000007ff7583c (XEN) ACPI: FADT (v001 INTEL LINDHRST 0x06040000 PTL 0x00000003) @ 0x000000007ff79dec (XEN) ACPI: SPCR (v001 PTLTD $UCRTBL$ 0x06040000 PTL 0x00000001) @ 0x000000007ff79e60 (XEN) ACPI: MADT (v001 PTLTD APIC 0x06040000 LTP 0x00000000) @ 0x000000007ff79eb0 (XEN) ACPI: BOOT (v001 PTLTD $SBFTBL$ 0x06040000 LTP 0x00000001) @ 0x000000007ff79f9c (XEN) ACPI: MCFG (v001 PTLTD Mcfg 0x06040000 LTP 0x00000000) @ 0x000000007ff79fc4 (XEN) ACPI: DSDT (v001 Intel LINDHRST 0x06040000 MSFT 0x0100000e) @ 0x0000000000000000 
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
(XEN) Processor #0 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x04] enabled)
(XEN) Processor #4 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[0x05] enabled)
(XEN) Processor #5 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x02] enabled)
(XEN) Processor #2 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x06] enabled)
(XEN) Processor #6 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x03] enabled)
(XEN) Processor #3 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled)
(XEN) Processor #7 15:4 APIC version 20
(XEN) ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
(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: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1])
(XEN) ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1])
(XEN) ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
(XEN) ACPI: IOAPIC (id[0x09] address[0xfec80000] gsi_base[24])
(XEN) IOAPIC[1]: apic_id 9, version 32, address 0xfec80000, GSI 24-47
(XEN) ACPI: IOAPIC (id[0x0a] address[0xfec80400] gsi_base[48])
(XEN) IOAPIC[2]: apic_id 10, version 32, address 0xfec80400, GSI 48-71
(XEN) ACPI: IOAPIC (id[0x0b] address[0xfec84000] gsi_base[72])
(XEN) IOAPIC[3]: apic_id 11, version 32, address 0xfec84000, GSI 72-95
(XEN) ACPI: IOAPIC (id[0x0c] address[0xfec84400] gsi_base[96])
(XEN) IOAPIC[4]: apic_id 12, version 32, address 0xfec84400, GSI 96-119
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
(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 5 I/O APICs
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) Initializing CPU#0
(XEN) Detected 2800.224 MHz processor.
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU: Processor Core ID: 0
(XEN) CPU0: Intel Genuine Intel(R) CPU 2.80GHz stepping 08
(XEN) Booting processor 1/1 eip 90000
(XEN) Initializing CPU#1
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU: Processor Core ID: 0
(XEN) CPU1: Intel Genuine Intel(R) CPU 2.80GHz stepping 08
(XEN) Booting processor 2/2 eip 90000
(XEN) Initializing CPU#2
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU: Processor Core ID: 1
(XEN) CPU2: Intel Genuine Intel(R) CPU 2.80GHz stepping 08
(XEN) Booting processor 3/3 eip 90000
(XEN) Initializing CPU#3
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU: Processor Core ID: 1
(XEN) CPU3: Intel Genuine Intel(R) CPU 2.80GHz stepping 08
(XEN) Booting processor 4/4 eip 90000
(XEN) Initializing CPU#4
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 1
(XEN) CPU: Processor Core ID: 2
(XEN) CPU4: Intel Genuine Intel(R) CPU 2.80GHz stepping 08
(XEN) Booting processor 5/5 eip 90000
(XEN) Initializing CPU#5
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 1
(XEN) CPU: Processor Core ID: 2
(XEN) CPU5: Intel Genuine Intel(R) CPU 2.80GHz stepping 08
(XEN) Booting processor 6/6 eip 90000
(XEN) Initializing CPU#6
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 1
(XEN) CPU: Processor Core ID: 3
(XEN) CPU6: Intel Genuine Intel(R) CPU 2.80GHz stepping 08
(XEN) Booting processor 7/7 eip 90000
(XEN) Initializing CPU#7
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 2048K
(XEN) CPU: Physical Processor ID: 1
(XEN) CPU: Processor Core ID: 3
(XEN) CPU7: Intel Genuine Intel(R) CPU 2.80GHz stepping 08
(XEN) Total of 8 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) ..TIMER: vector=0x31 pin1=2 pin2=-1
(XEN) checking TSC synchronization across 8 CPUs: passed.
(XEN) Platform timer is 1.193MHz PIT
(XEN) Brought up 8 CPUs
(XEN) mtrr: v2.0 (20020519)
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen-ELF header found: 'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=xen-3.0,VIRT_BASE=0xffffffff80000000,LOADER=generic' 
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 000000007f000000->000000007f800000 (129024 pages to be allocated) 
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: ffffffff80100000->ffffffff80432f90
(XEN)  Init. ramdisk: ffffffff80433000->ffffffff80433000
(XEN)  Phys-Mach map: ffffffff80433000->ffffffff80533000
(XEN)  Start info:    ffffffff80533000->ffffffff80534000
(XEN)  Page tables:   ffffffff80534000->ffffffff8053b000
(XEN)  Boot stack:    ffffffff8053b000->ffffffff8053c000
(XEN)  TOTAL:         ffffffff80000000->ffffffff80800000
(XEN)  ENTRY ADDRESS: ffffffff80100000
(XEN) Scrubbing Free RAM: .....................done.
(XEN) Xen trace buffers: disabled
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen). Linux version 2.6.15-xeontest-dom0 (root@xeontest) (gcc version 4.0.3 20060104 (prerelease) (Debian 4.0.2-6)) #1 SMP Fri Jan 20 02:46:39 CET 2006 
kernel direct mapping tables upto 20800000 @ 53b000-641000
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x04] enabled)
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
ACPI: LAPIC (acpi_id[0x03] lapic_id[0x05] enabled)
ACPI: LAPIC (acpi_id[0x04] lapic_id[0x02] enabled)
ACPI: LAPIC (acpi_id[0x05] lapic_id[0x06] enabled)
ACPI: LAPIC (acpi_id[0x06] lapic_id[0x03] enabled)
ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled)
ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1])
ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
ACPI: IOAPIC (id[0x09] address[0xfec80000] gsi_base[24])
IOAPIC[1]: apic_id 9, version 32, address 0xfec80000, GSI 24-47
ACPI: IOAPIC (id[0x0a] address[0xfec80400] gsi_base[48])
IOAPIC[2]: apic_id 10, version 32, address 0xfec80400, GSI 48-71
ACPI: IOAPIC (id[0x0b] address[0xfec84000] gsi_base[72])
IOAPIC[3]: apic_id 11, version 32, address 0xfec84000, GSI 72-95
ACPI: IOAPIC (id[0x0c] address[0xfec84400] gsi_base[96])
IOAPIC[4]: apic_id 12, version 32, address 0xfec84400, GSI 96-119
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
Setting APIC routing to xen
Using ACPI (MADT) for SMP configuration information
Allocating PCI resources starting at 88000000 (gap: 80000000:60000000)
Built 1 zonelists
Kernel command line: root=/dev/hda2 console=tty0 console=ttyS0,9600n8
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 131072 bytes)
Xen reported: 2800.098 MHz processor.
Console: colour VGA+ 80x25
Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
Software IO TLB enabled:
Aperture:     2 megabytes
Bus range:    0x000000001d200000 - 0x000000001d400000
Kernel range: 0xffff880000647000 - 0xffff880000847000
Memory: 507128k/532480k available (1872k kernel code, 24724k reserved, 706k data, 156k init) Calibrating delay using timer specific routine.. 7003.42 BogoMIPS (lpj=14006858) 
Security Framework v1.0.0 initialized
SELinux:  Disabled at boot.
Mount-cache hash table entries: 256
CPU: Trace cache: 12K uops, L1 D cache: 16K
CPU: L2 cache: 2048K
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at kernel/softlockup.c:107
invalid operand: 0000 [1] SMP
CPU 0
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.15-xeontest-dom0 #1
RIP: e030:[<ffffffff801516f0>] <ffffffff801516f0>{cpu_callback+57}
RSP: e02b:ffff880000435ed8  EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffffff80332070
RBP: 0000000000000080 R08: 0000000000000000 R09: 00000000ffffff20
R10: 00000000fffffffd R11: 0000000000000001 R12: ffffffff804321b8
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffffffff803f4800(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process swapper (pid: 1, threadinfo ffff880000434000, task ffff8800000054e0)
Stack: ffffffff80332070 0000000000000001 0000000000000003 ffffffff8013f271
      0000000000000001 0000000000000000 0000000000000001 ffffffff8014a5a1
      0000000000000001 0000000000000000
Call Trace:<ffffffff8013f271>{notifier_call_chain+33} <ffffffff8014a5a1>{cpu_up+51} 
      <ffffffff8010d13e>{init+250} <ffffffff801108f2>{child_rip+8}
      <ffffffff8010d044>{init+0} <ffffffff801108ea>{child_rip+0}


Code: 0f 0b 68 b6 9a 2e 80 c2 6b 00 89 d9 48 c7 c2 ca 9a 2e 80 48
RIP <ffffffff801516f0>{cpu_callback+57} RSP <ffff880000435ed8>
<0>Kernel panic - not syncing: Attempted to kill init!

---------------------------------------------------------------------------------------------

Some more informations about the used Hardware:

CPU: Dual, Dual Core Intel Xeon 2.8 GHz
Ram: 2GB
Mainboard: Tysan S5360D

The used Distribution is Debian (Sid). I tried Xen unstable and testing.

Would be great if somebody has a clue how to fix this failure

Thanks in advance

Ulf

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