Date: Tue, 13 Mar 2018 11:33:35 -0400 From: Mike Tancsa <mike@sentex.net> To: Peter Grehan <grehan@freebsd.org>, Anish <akgupt3@gmail.com>, "pholes@sentex.net" <pholes@sentex.net>, "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: Re: Ryzen lockup on bhyve was (Re: new Ryzen lockup issue ?) Message-ID: <493a7783-dac5-5fb0-4ab8-b1a576fb9379@sentex.net> In-Reply-To: <87431121-b7fb-1a5c-7081-d76347c27e53@freebsd.org> References: <a687883a-b2a8-5b18-f63e-754a2ed445c0@sentex.net> <bbcc09cf-0072-8510-156f-5c20c301d43f@sentex.net> <92a60e14-f532-2647-d45d-b500fc59ba88@sentex.net> <CAMgUhpo1C_0L86Xkzmuz5%2Be3C3zk5RNkVS9aEBEwF-2XZ4d1sQ@mail.gmail.com> <425be16f-9fdc-9ed6-72b1-02e28bfd130f@sentex.net> <2f2b6f96-d6ef-8e02-966d-dcbbfb0c92fb@freebsd.org> <48768738-e699-fd06-9154-9b5be1bbabcc@sentex.net> <a7ede219-73a6-80a3-87be-ce27769cfcd1@freebsd.org> <36c062e4-352b-eebe-5f08-1af250d98eee@sentex.net> <7fa0b7a0-492e-6ded-3b5c-1edeff54d746@sentex.net> <7f599ae6-4de6-4a65-5a03-7e41f5f72530@freebsd.org> <92443071-e9b7-4941-16f3-5d5c423f4d0a@sentex.net> <b19d86d0-6ab8-6193-8b31-0f2038215c6a@freebsd.org> <1b0bb7de-5e12-8b7c-3d5a-93570852d0f2@sentex.net> <d95070ec-6b5f-2861-0062-61c3f2ee34b6@freebsd.org> <c0b0c86f-3b12-761d-f821-70f8696d0ff1@sentex.net> <87431121-b7fb-1a5c-7081-d76347c27e53@freebsd.org>
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On 3/6/2018 2:42 PM, Peter Grehan wrote: >> Would virtualbox do this too (send a lot of IPIs)? I first noticed >> the >> lockups using it and not bhyve. I have been using bhyve now as its >> easier to script the lockups etc. > > Yes it would. Hmmm, this makes it even more mysterious. > > I'll go and have a look a the FreeBSD interface code for VBox to see if > anything stands out in the way it uses IPIs. > > It doesn't use the optimized i/f that bhyve uses, so this points to it > being a more general problem. Hi Peter, I have been stress testing the box without any hypervisor software loaded and all seems pretty stable. I left parallel buildworlds running along with a few background jobs of dd if=/dev/urandom count=10000 | sha256 randomly running in the background for 24hrs. I am now running the buildworlds along with maxing out the network card with bidirectional traffic. Its been up for 6days without issue. Any other thoughts / tests I can do to try and help narrow down this issue ? ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 x203 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada
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