FreeBSD 10.1 qcow2 image panic on Linux VM hosts

[Marcel Moolenaar]

> On Dec 16, 2014, at 9:05 AM, John Baldwin <jhb at freebsd.org> wrote:
> 
> On Friday, November 21, 2014 6:46:28 am Chris Stenton wrote:
>> Hi,
>> 
>> I am trying to run the vanilla FreeBSD 10.1 qcow2 image on a CENTOS 7 VM
>> Host.
>> 
>>  I can start it up ok but under a small load it kernel panics.
>> 
>> The error is
>> 
>> g_vfs_done():vtdb0: hard error gpt/rootfs[WRITE(offset=21890048,
>> length=8704)]cmd=write error = 534 panic:cannot reassign paging buffer
>> cpuid = 1
>> 
>> Dump failed so I am just copying the above from virt-manager console.
>> 
>> All I am doing is pkg install emacs24  and it gets as far as "[7/96]
>> Installing perl5-5.16.3_11:  32%"
>> 
>> I've tried the Image on a Ubuntu VM host as well and get the same
>> problem.  I've tried varying the amount of memory up to 4GB but still
>> the same problem. Other OS's clients run fine.
>> 
>> Any ideas?
> 
> Marcel believes he fixed the root issue in r275721.  Can you try rebuilding
> the image with the fixed mkimg to see if that fixes the problem?

Revision r275721 has been merged to stable/10 (as revision 276337).
Please let me know if it makes a difference. I'll try and reproduce
in the mean time myself...
FYI,

--
Marcel Moolenaar
marcel at xcllnt.net


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