Re: [Qemu-devel] [PATCH v4 1/1] tests/qemu-iotests: adding savevm/loadvm with postcopy flag test

[Kevin Wolf <kwolf@redhat.com>]

Am 05.12.2017 um 20:31 hat Daniel Henrique Barboza geschrieben:
> On 12/05/2017 04:06 PM, Dr. David Alan Gilbert wrote:
> > * Daniel Henrique Barboza (danielhb@linux.vnet.ibm.com) wrote:
> > > This patch implements a test case for the scenario that was failing
> > > prior to the patch "migration/ram.c: do not set 'postcopy_running' in
> > > POSTCOPY_INCOMING_END", commit acab30b85d.
> > > 
> > > This new test file 201 was derived from the test file 181 authored
> > > by Kevin Wolf.
> > The test is interesting because it enables postcopy but never triggers
> > postcopy entry (using migrate_start_postcopy).  Still it's a good path
> > to check.
> > 
> > It will fail to enable postcopy on older linux hosts or non-linux hosts
> > that don't have userfault though; I'm not sure how your test fails
> > with that.
> Hmmm I am not sure either. I have tested it with Travis and it passed all
> tests,
> including a claimed Mac OS environment. Not sure if that counts.
> 
> I'll see if I can get this tested on a Windows env to see how this test
> fails.

qemu-iotests is basically Linux-only and we don't even try to keep
things portable. If it works on Windows, that's more by accident than
intentional.

Kevin