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Re: [Xen-users] correct procedure for reporting kernel problems?



On Saturday 19 November 2005 20:42, Ian Pratt wrote:
> This issue is already logged on bugzilla, but we're struggling to
> reroduce it.

I hope this will be of help.. sorry for the missing details though.

> It would be good if your bug report could include:
>  * What xen/linux version you're using (e.g. output of xm info)

I'm using gentoo , setup as described in 
http://gentoo-wiki.com/HOWTO_Xen_and_Gentoo.  I am not using the gentoo 
ebuilds for Xen though.

# xm info
system                 : Linux
host                   : bb3
release                : 2.6.12.6-xen0
version                : #3 SMP Sat Nov 19 16:41:08 GMT 2005
machine                : i686
nr_cpus                : 4
nr_nodes               : 1
sockets_per_node       : 2
cores_per_socket       : 1
threads_per_core       : 2
cpu_mhz                : 2800
hw_caps                : bfebfbff:20100000:00000000:00000080:0000641d
memory                 : 2047
free_memory            : 1667
xen_major              : 3
xen_minor              : 0
xen_extra              : -devel
xen_caps               : xen-3.0-x86_32
platform_params        : virt_start=0xfc000000
xen_changeset          : Sat Nov 19 09:37:14 2005 +0100 7901:aad88a902892
cc_compiler            : gcc version 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, 
pie-8.7.8)
cc_compile_by          : root
cc_compile_domain      : (none)
cc_compile_date        : Sat Nov 19 16:36:29 GMT 2005

>  * what were you doing on the machine at the time? What domains were
> running?

I did a 'cat /etc/hosts' in one of the domains.  There was a second domain 
running - both crashed at the same time (atleast, I think, when I switched to 
the second one it had also crashed).

>  * have you modified the kernel config? (or otherwise modified the
> source)

I have.  I added support for my SATA RAID controller, and my intel gigabit 
ethernet card.  Set the CPU type to Xeon too.  Unfortunatly I managed to 
trash the .config, and didn't enable /proc/config support, so the exact 
kernel config is lost.  SMP would have been enabled, the HT schedular would 
have been disabled... Of the top of my head I can't think of much more I 
would have changed.

>  * what kind of machine is this? how many CPUs, how much memory?

It's a Dell 1425, Dual Xeon 2.8 with Hyperthreading. 2 gig of RAM, 3ware 9xxx 
SATA controller.

>  * please post the output of 'xm dmesg' as well as the oops message

The opps was in the previous message (anything not there I'm afarid is now  
 lost).

# xm dmesg
 __  __            _____  ___         _                _
 \ \/ /___ _ __   |___ / / _ \     __| | _____   _____| |
  \  // _ \ '_ \    |_ \| | | |__ / _` |/ _ \ \ / / _ \ |
  /  \  __/ | | |  ___) | |_| |__| (_| |  __/\ V /  __/ |
 /_/\_\___|_| |_| |____(_)___/    \__,_|\___| \_/ \___|_|

 http://www.cl.cam.ac.uk/netos/xen
 University of Cambridge Computer Laboratory

 Xen version 3.0-devel (root@) (gcc version 3.4.4 (Gentoo 3.4.4-r1, 
ssp-3.4.4-1.0, pie-8.7.8)) Sat Nov 19 16:36:29 GMT 2005
 Latest ChangeSet: Sat Nov 19 09:37:14 2005 +0100 7901:aad88a902892

(XEN) Physical 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) Xen heap: 10MB (10616kB)
(XEN) PAE disabled.
(XEN) found SMP MP-table at 000fe710
(XEN) DMI 2.3 present.
(XEN) Using APIC driver default
(XEN) ACPI: RSDP (v000 DELL                                  ) @ 0x000fd650
(XEN) ACPI: RSDT (v001 DELL   PESC1425 0x00000001 MSFT 0x0100000a) @ 
0x000fd664
(XEN) ACPI: FADT (v001 DELL   PESC1425 0x00000001 MSFT 0x0100000a) @ 
0x000fd6b0
(XEN) ACPI: MADT (v001 DELL   PESC1425 0x00000001 MSFT 0x0100000a) @ 
0x000fd724
(XEN) ACPI: SPCR (v001 DELL   PESC1425 0x00000001 MSFT 0x0100000a) @ 
0x000fd7c0
(XEN) ACPI: HPET (v001 DELL   PESC1425 0x00000001 MSFT 0x0100000a) @ 
0x000fd810
(XEN) ACPI: MCFG (v001 DELL   PESC1425 0x00000001 MSFT 0x0100000a) @ 
0x000fd848
(XEN) ACPI: DSDT (v001 DELL   PESC1425 0x00000001 MSFT 0x0100000e) @ 
0x00000000
(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[0x06] enabled)
(XEN) Processor #6 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x01] enabled)
(XEN) Processor #1 15:4 APIC version 20
(XEN) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x07] enabled)
(XEN) Processor #7 15:4 APIC version 20
(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[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[32])
(XEN) IOAPIC[1]: apic_id 9, version 32, address 0xfec80000, GSI 32-55
(XEN) ACPI: IOAPIC (id[0x0a] address[0xfec80800] gsi_base[64])
(XEN) IOAPIC[2]: apic_id 10, version 32, address 0xfec80800, 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) Using ACPI (MADT) for SMP configuration information
(XEN) Initializing CPU#0
(XEN) Detected 2800.217 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) Xeon(TM) CPU 2.80GHz stepping 01
(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) Xeon(TM) CPU 2.80GHz stepping 01
(XEN) Booting processor 2/6 eip 90000
(XEN) Initializing CPU#2
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 1024K
(XEN) CPU: Physical Processor ID: 3
(XEN) CPU2: Intel(R) Xeon(TM) CPU 2.80GHz stepping 01
(XEN) Booting processor 3/7 eip 90000
(XEN) Initializing CPU#3
(XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
(XEN) CPU: L2 cache: 1024K
(XEN) CPU: Physical Processor ID: 3
(XEN) CPU3: Intel(R) Xeon(TM) CPU 2.80GHz stepping 01
(XEN) Total of 4 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) ..TIMER: vector=0x31 pin1=2 pin2=-1
(XEN) checking TSC synchronization across 4 CPUs: passed.
(XEN) Platform timer is 14.318MHz HPET
(XEN) Brought up 4 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=no,LOADER=generic'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   7f000000->7f800000 (30720 pages to be allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0100000->c043acd0
(XEN)  Init. ramdisk: c043b000->c043b000
(XEN)  Phys-Mach map: c043b000->c045b000
(XEN)  Start info:    c045b000->c045c000
(XEN)  Page tables:   c045c000->c045f000
(XEN)  Boot stack:    c045f000->c0460000
(XEN)  TOTAL:         c0000000->c0800000
(XEN)  ENTRY ADDRESS: c0100000
(XEN) Scrubbing Free RAM: .....................done.
(XEN) Xen trace buffers: disabled
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen).


-- 
Ian P. Christian ~ http://pookey.co.uk

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