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[Xen-bugs] [Bug 190] Kernel BUG at "drivers/xen/blkfront/blkfront.c":95

To: xen-bugs@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-bugs] [Bug 190] Kernel BUG at "drivers/xen/blkfront/blkfront.c":95
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Fri, 26 Aug 2005 20:07:37 +0000
Delivery-date: Fri, 26 Aug 2005 20:07:41 +0000
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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=190


dbarrera@xxxxxxxxxx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|critical                    |major




------- Additional Comments From dbarrera@xxxxxxxxxx  2005-08-26 20:07 -------
On an x86 RHEL4 box, this message shows up on the domU console when the crash
occurs:

Kernel panic - not syncing: BUG!


On the serial console, these messages show up:

smp_send_stop disable_local_APIC
xen-br0: port 3(vif1.0) entering disabled state
device vif1.0 left promiscuous mode
xen-br0: port 3(vif1.0) entering disabled state

xm dmesg: 
[root@lamb5 ~]# xm dmesg
 __  __            _____  ___         _                _
 \ \/ /___ _ __   |___ / / _ \     __| | _____   _____| |
  \  // _ \ '_ \    |_ \| | | |__ / _` |/ _ \ \ / / _ \ |
  /  \  __/ | | |  ___) | |_| |__| (_| |  __/\ V /  __/ |
 /_/\_\___|_| |_| |____(_)___/    \__,_|\___| \_/ \___|_|
                                                          
 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory
 
 Xen version 3.0-devel (root@) (gcc version 3.4.3 20041212 (Red Hat
3.4.3-9.EL4)) Fri Aug 26 11:54:00 CDT 2005
 Latest ChangeSet: Fri Aug 26 08:06:49 2005 
2b95125015a59eeb086b3748f9415ac440133b4d
 
(XEN) Physical RAM map:
(XEN)  0000000000000000 - 000000000009b400 (usable)
(XEN)  000000000009b400 - 00000000000a0000 (reserved)
(XEN)  00000000000d6000 - 00000000000d8000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 000000001ff70000 (usable)
(XEN)  000000001ff70000 - 000000001ff76000 (ACPI data)
(XEN)  000000001ff76000 - 000000001ff80000 (ACPI NVS)
(XEN)  000000001ff80000 - 0000000020000000 (reserved)
(XEN)  00000000fec00000 - 00000000fec10000 (reserved)
(XEN)  00000000fee00000 - 00000000fee01000 (reserved)
(XEN)  00000000ff800000 - 00000000ffc00000 (reserved)
(XEN)  00000000fffffc00 - 0000000100000000 (reserved)
(XEN) System RAM: 511MB (523308kB)
(XEN) Xen heap: 10MB (10648kB)
(XEN) PAE enabled, limit: 16 GB
(XEN) found SMP MP-table at 000f6140
(XEN) DMI present.
(XEN) Using APIC driver default
(XEN) ACPI: RSDP (v000 PTLTD                                 ) @ 0x000f6170
(XEN) ACPI: RSDT (v001 PTLTD    RSDT   0x06040000  LTP 0x00000000) @ 0x1ff7070d
(XEN) ACPI: FADT (v001 INTEL  CANTWOOD 0x06040000 PTL  0x00000003) @ 0x1ff75e1e
(XEN) ACPI: MADT (v001 PTLTD     APIC   0x06040000  LTP 0x00000000) @
0x1ff75e92(XEN) ACPI: BOOT (v001 PTLTD  $SBFTBL$ 0x06040000  LTP 0x00000001) @
0x1ff75f06
(XEN) ACPI: ASF! (v032 IBM        CETP 0x06040000 PTL  0x00000001) @ 0x1ff75f2e
(XEN) ACPI: SSDT (v001 PTLTD  ACPIHT   0x06040000  LTP 0x00000001) @ 0x1ff75fc9
(XEN) ACPI: DSDT (v001  INTEL CANTWOOD 0x06040000 MSFT 0x0100000c) @ 0x00000000
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
(XEN) Processor #0 15:3 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
(XEN) Processor #1 15:3 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: 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[0xfec10000] gsi_base[24])
(XEN) IOAPIC[1]: apic_id 3, version 32, address 0xfec10000, GSI 24-47
(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 2 I/O APICs
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) Initializing CPU#0
(XEN) Detected 2800.597 MHz processor.
(XEN) Using scheduler: Simple EDF Scheduler (sedf)
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 1024K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU0: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 04
(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: 1024K
(XEN) CPU: Physical Processor ID: 0
(XEN) CPU1: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 04
(XEN) Total of 2 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) ..TIMER: vector=0x31 pin1=2 pin2=-1
(XEN) checking TSC synchronization across 2 CPUs: passed.
(XEN) Platform timer is 1.193MHz PIT
(XEN) Brought up 2 CPUs
(XEN) mtrr: v2.0 (20020519)
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen-ELF header found:
'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=3.0,VIRT_BASE=0xC0000000,PAE=yes,LOADER=generic'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   0000000001800000->0000000002000000 (61952 pages to be
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0100000->c061a424
(XEN)  Init. ramdisk: c061b000->c06ad200
(XEN)  Phys-Mach map: c06ae000->c06ec800
(XEN)  Page tables:   c06ed000->c06f6000
(XEN)  Start info:    c06f6000->c06f7000
(XEN)  Boot stack:    c06f7000->c06f8000
(XEN)  TOTAL:         c0000000->c0800000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Initrd len 0x92200, start at 0xc061b000
(XEN) Scrubbing Free RAM: ......done.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen).
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
00000000
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
000000c0
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
0000009f
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
00000000
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
000000c0
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
0000009f
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
00000000
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
000000c0
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
0000009f
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
00000000
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
000000c0
(XEN) DOM1: (file=mm.c, line=461) Non-privileged attempt to map I/O space 
0000009f

[2005-08-26 14:03:54 xend] DEBUG (XendDomain:214) XendDomain>reap> domain died
name=vm1 id=1
[2005-08-26 14:03:54 xend] INFO (XendDomain:506) Destroying domain: name=vm1
[2005-08-26 14:03:54 xend] INFO (XendRoot:141) EVENT> xend.domain.exit ['vm1',
1, 'crash']
[2005-08-26 14:03:54 xend] INFO (XendRoot:141) EVENT> xend.domain.destroy 
['vm1', 1]
[2005-08-26 14:03:54 xend] INFO (xsobj:337) DBMap>releaseDomain> 1
[2005-08-26 14:03:54 xend] INFO (XendRoot:141) EVENT> xend.virq 3
[2005-08-26 14:03:54 xend] INFO (XendRoot:141) EVENT> xend.virq 3



                               

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