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Date: Tue, 26 May 2015 11:45:45 -0700
Message-ID: <CAGHfRMC5Qmtf4zFi1+HX4UkvVzwGpdevGZ5v+0UjuFaCUe-K5Q@mail.gmail.com>
Subject: Re: cam(4) timeouts in bhyve/kyua runs up on Jenkins?
From: NGie Cooper <yaneurabeya@gmail.com>
To: Neel Natu <neelnatu@gmail.com>
Cc: Alexander Motin <mav@freebsd.org>,
 FreeBSD Current <freebsd-current@freebsd.org>, 
 "freebsd-testing@freebsd.org" <freebsd-testing@freebsd.org>,
 Peter Grehan <grehan@freebsd.org>
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Hi Neel,

On Tue, May 26, 2015 at 9:06 AM, Neel Natu <neelnatu@gmail.com> wrote:
> Hi NGie,

...

> Can you try to reproduce with a virtio-blk instead of ahci-hd?
>
> It will help narrow down the problem because both ahci-hd and
> virtio-blk emulations share a common backend to read/write to the
> disk.

You'll have to ask Craig. I don't run BHyve at all, and I don't think
that running BHyve over VMware Fusion would be the best "proof of
concept" for determining whether or not there's an issue here as
VMware Fusion suffers timeouts on occasion with mpt(4) under high
load..
Thanks!