On 2011-10-07 11:46, Wen Congyang wrote:
> Currently, virsh dump uses monitor command migrate to dump guest's memory
> to file, and we can use crash to analyze the file.
> 
> Unfortunately, virsh dump can not work if guest uses host pci device. The
> reason is that the device's status is also needed to migrate to remote 
> machine,
> and the host pci device's status is not stored in qemu. So it is unmigratable.
> 
> I think we can  we can add a option to qmp command migrate(eg: skip) to allow
> the user to skip the check, and this option should be used only when dumping
> the guest's memory.

Why not simply attach gdb? That works independently of migration.

Jan

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Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

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