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["??????" <31438837@xxxxxx>]

When the host machine crashes and reboots, the Linux kernel prints the following infomation:
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gb04 login: skb_over_panic: text:ffffffffa022df45 len:398 put:342 head:ffff88011
BUG: scheduling while atomic: swapper/0/0x10000100 
Modules l[Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR 186 is 53)
APEI: Can not request iomem region <00000000bf7b5d8a-00000000bf7b5d8c> for GARs. 
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------------------ Original ------------------
From:  "??????"<31438837@xxxxxx>;
Date:  Sun, Dec 2, 2012 10:22 AM
To:  "openstack"<openstack@xxxxxxxxxxxxxxxxxxx>; 
Subject:  [Openstack] starting quantum services causes host machine reboot(Sorry for my last email)


Hi All,

    I installed a single-node openstack from folsom source code. When I start quantum services(quantum-server, quantum-openvswitch-agent and quantum-dhcp-agent) one by one, the host machine reboot itself. My starting script is as follow:

____________________________quantum_start.sh______________________________________________
quantum-server --config-file=/etc/quantum/quantum.conf --config-file=/etc/quantum/quantum/plugins/openvswitch/ovs_quantum_plugin.ini --log-dir=/var/log/quantum --log-file=quantum-server.log &
quantum-openvswitch-agent --config-file=/etc/quantum/quantum.conf --config-file=/etc/quantum/quantum/plugins/openvswitch/ovs_quantum_plugin.ini --log-dir=/var/log/quantum --log-file=quantum-openvswitch-agent.log &
quantum-dhcp-agent --config-file=/etc/quantum/quantum.conf --config-file=/etc/quantum/dhcp_agent.ini --log-dir=/var/log/quantum --log-file=quantum-dhcp-agent.log &
________________________________________________________________________________________

    I split the starting script into two script, and execute the second script several minites after the first one, then the host machine does not reboot itself any more. The two scripts are as follows:
____________________________first.sh______________________________________________
quantum-server --config-file=/etc/quantum/quantum.conf --config-file=/etc/quantum/quantum/plugins/openvswitch/ovs_quantum_plugin.ini --log-dir=/var/log/quantum --log-file=quantum-server.log &
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____________________________second.sh______________________________________________
quantum-openvswitch-agent --config-file=/etc/quantum/quantum.conf --config-file=/etc/quantum/quantum/plugins/openvswitch/ovs_quantum_plugin.ini --log-dir=/var/log/quantum --log-file=quantum-openvswitch-agent.log &
quantum-dhcp-agent --config-file=/etc/quantum/quantum.conf --config-file=/etc/quantum/dhcp_agent.ini --log-dir=/var/log/quantum --log-file=quantum-dhcp-agent.log & 
________________________________________________________________________________________

    Does anyone encounter the same case as mine? Why I can't start quantum-server, quantum-openvswitch-agent and quantum-openvswitch-agent one by one continuously?


Hongwei Tang
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