KVM FC12 guest save not working ??

 
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Special Forums UNIX and Linux Applications Virtualization and Cloud Computing KVM FC12 guest save not working ??
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Old 04-09-2010
KVM FC12 guest save not working ??

Howdy

I am using Fedora12 with KVM, with XP64pro as a guest. Everything seems to be working just fine, BUT I can't Save. When I do instruction KVM to save, I get a continuing Saving display, but it continues for a long time until I finally terminate it due to boredom Smilie I have let it run for 30 minutes before terminating. It Does create a file but the size nevers gets larger than 1.5Kb. No error messages are displayed.

I can Clone and use the clone image, but I wanted to save snap shots as I play with the guest.

What can I do to trouble shoot to see whats happening and to learn more?
Thanks in advance.

I am using an i7 cpu, 8G ram, and WD1T with lots of room
Linux 2.6.31.12-174.2.22.fc12.x86_64
qemu-kvm-0.11.0-13.fc12.x86_64
gpxe-roms-qemu-0.9.9-1.20091018git.fc12.noarch
qemu-common-0.11.0-13.fc12.x86_64
qemu-kvm-0.11.0-13.fc12.x86_64
qemu-system-x86-0.11.0-13.fc12.x86_64
qemu-img-0.11.0-13.fc12.x86_64
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KVM(3)							   BSD Library Functions Manual 						    KVM(3)

NAME
kvm -- kernel memory interface LIBRARY
Kernel Data Access Library (libkvm, -lkvm) DESCRIPTION
The kvm library provides a uniform interface for accessing kernel virtual memory images, including live systems and crash dumps. Access to live systems is via sysctl(3) for some functions, and mem(4) and kmem(4) for other functions, while crash dumps can be examined via the core file generated by savecore(8). The interface behaves similarly in both cases. Memory can be read and written, kernel symbol addresses can be looked up efficiently, and information about user processes can be gathered. The kvm_open() function is first called to obtain a descriptor for all subsequent calls. COMPATIBILITY
The kvm interface was first introduced in SunOS. A considerable number of programs have been developed that use this interface, making back- ward compatibility highly desirable. In most respects, the Sun kvm interface is consistent and clean. Accordingly, the generic portion of the interface (i.e., kvm_open(), kvm_close(), kvm_read(), kvm_write(), and kvm_nlist()) has been incorporated into the BSD interface. Indeed, many kvm applications (i.e., debuggers and statistical monitors) use only this subset of the interface. The process interface was not kept. This is not a portability issue since any code that manipulates processes is inherently machine depen- dent. Finally, the Sun kvm error reporting semantics are poorly defined. The library can be configured either to print errors to stderr automati- cally, or to print no error messages at all. In the latter case, the nature of the error cannot be determined. To overcome this, the BSD interface includes a routine, kvm_geterr(3), to return (not print out) the error message corresponding to the most recent error condition on the given descriptor. SEE ALSO
kvm_close(3), kvm_getargv(3), kvm_getenvv(3), kvm_geterr(3), kvm_getfiles(3), kvm_getloadavg(3), kvm_getprocs(3), kvm_getswapinfo(3), kvm_nlist(3), kvm_open(3), kvm_openfiles(3), kvm_read(3), kvm_write(3), sysctl(3), kmem(4), mem(4) BSD
April 25, 2010 BSD