Re: [PATCH 0/2] migration test tweeks

[Peter Xu]

On Mon, Sep 23, 2019 at 02:10:20PM +0100, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
> 
> Alex noticed that some of the postcopy tests would occasionally
> hang; this series adds some checks to make them more likely
> to assert than hang in some failure cases, and changes
> the migration bandwidth so that under load it's much more likely
> to manage to land in postcopy.
> 
> Dr. David Alan Gilbert (2):
>   tests/migration: Fail on unexpected migration states
>   tests/migration/postcopy: trim migration bandwidth

Reviewed-by: Peter Xu <address@hidden>

I might be even more aggresive on patch 2 when turning down the
bandwidth. :)

Another thing I thought about on the hang issue is that maybe we can
give a timeout for the waits and when the timeout triggers before a
directly assert in the test case we send sigabrt to QEMU (just like
what kill_qemu does) then we could have a chance to see the cores.
Not sure whether that could help, though.

Regards,

-- 
Peter Xu