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[Xen-users] 1 vcpu missing



Hi,

i have 2 physical machines (OVS2.2) and 3 virtual servers (Oracle Linux 6.1) running on it.

2 of them crashes and i can't login. Just the console works fine, no SSH, no network, nothing.
The following message occurs in dmesg:

==========
Call Trace:
 [<ffffffff8143b26e>] schedule+0x2e1/0x837
 [<ffffffff8143c436>] do_nanosleep+0x68/0xa8
 [<ffffffff810783c7>] hrtimer_wakeup+0xbf/0x140
 [<ffffffff81078306>] hrtimer_start_range_ns+0x14/0x16
 [<ffffffff810784a1>] sys_nanosleep+0x59/0x69
 [<ffffffff81011cb2>] system_call_fastpath+0x16/0x1b
Code: ff 39 85 08 ff ff ff 74 13 48 83 7d 10 00 74 0c 48 8b 55 10 ...
RIP [<ffffffff104bb7c>] find_busiest_group+0x41f/0x7eb
 TSP <ffff8802efb65c28>
---[ end trace 934c90fc998a009f ]---
Kernel panic - not syncing: Fatal exception
Pid: 7936, comm: mongod Tainted: G      D
2.6.32-100.34.1.el6uek.x86_64 #1

==========


I monitor the machines (physical) with orca and write graphs with information from "xm list", liek vcpu, etc. .
As the system crashes, i can see, that each system has just 1 vcpu, but i configured each virtual server with 2 vcpu in vm.cfg.

After i restartet the crached systems alls is fine and "xm list" (physical) and "cat /proc/cpuinfo" displays 2 cpu's.

Any idea?


Greetz Tim
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