Bug#675266: xen-hypervisor-4.0-amd64: Hard reset when starting a DomU on HP DL585 G7 // Opteron 6238

[deb...@bugtwister.net]

Package: xen-hypervisor-4.0-amd64
Version: 4.0.1-4
Severity: important

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Hello Debian Team,

I have some strange behavior with a DL585 G7 with only two cpu sockets 
used (Opteron 6238 Interlagos). I
use Debian 6.0 with a XEN Kernel. Every time when I start a DomU, the 
server makes a hard reset without any kernel panic or output.


When I start the same disks in another DL585 G7 with all four cpu sockets
used (Opteron 6174 Magny-Cours), everything works normal!
Is the Opteron Interlagos core not supported in xen debian?

We use many Debian 6.0 Xen Server on different HP Hardware - never seen 
before...



I found some difference in the dmesg output on the two servers:

on the non working DL585:

[0.00] No NUMA configuration found
[0.00] Faking a node at -00018000
[0.00] Bootmem setup node 0 -00018000
[0.00]   NODE_DATA [8000 - ]
[0.00]   bootmap [0001 -  0003] pages 30
[0.00] (9 early reservations) ==> bootmem [00 - 018000]
[0.00]   #0 [00 - 001000]   BIOS data page ==> 
[00 - 001000]
[0.00]   #1 [00040de000 - 0004103000]   XEN PAGETABLES ==> 
[00040de000 - 0004103000]
[0.00]   #2 [006000 - 008000]   TRAMPOLINE ==> 
[006000 - 008000]
[0.00]   #3 [000100 - 00016e7b44]TEXT DATA BSS ==> 
[000100 - 00016e7b44]
[0.00]   #4 [0001708000 - 00034dce00]  RAMDISK ==> 
[0001708000 - 00034dce00]
[0.00]   #5 [00034dd000 - 00040de000]   XEN START INFO ==> 
[00034dd000 - 00040de000]
[0.00]   #6 [00016e8000 - 00016e8180]  BRK ==> 
[00016e8000 - 00016e8180]
[0.00]   #7 [10 - 6cc000]  PGTABLE ==> 
[10 - 6cc000]
[0.00]   #8 [0004103000 - 0004505000]  PGTABLE ==> 
[0004103000 - 0004505000]


on the working:
[0.00] Scanning NUMA topology in Northbridge 24
[0.00] Number of nodes 8
[0.00] Node 0 MemBase  Limit 00013f60
[0.00] Node 1 bogus settings 44000-13f60.
[0.00] Node 2 bogus settings 64000-13f60.
[0.00] Node 3 bogus settings 84000-13f60.
[0.00] Node 4 bogus settings a4000-13f60.
[0.00] Node 5 bogus settings c4000-13f60.
[0.00] Node 6 bogus settings e4000-13f60.
[0.00] Node 7 bogus settings 104000-13f60.
[0.00] NUMA: Using 63 for the hash shift.
[0.00] Using node hash shift of 63

Sorry for the wrong order, but I opened already a Bug at the Xen 
Bugtracker...

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1823

Please Help!
BR, Juergen Schwarzenecker

-- System Information:
Debian Release: 6.0.4
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-xen-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

xen-hypervisor-4.0-amd64 depends on no packages.

Versions of packages xen-hypervisor-4.0-amd64 recommends:
ii  xen-utils-4.0 4.0.1-4XEN administrative tools

Versions of packages xen-hypervisor-4.0-amd64 suggests:
pn  xen-docs-4.0  (no description available)

-- no debconf information



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Bug#675266: Novell fixed the Problem in SELS SP2

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Hello,

I have found a similar/the same problem on Novell SELS 11 SP1.
They have maybe the patches we need...



BR, Juergen



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