Date: Thu, 1 Mar 2018 11:54:11 -0500 From: Mike Tancsa <mike@sentex.net> To: Peter Grehan <grehan@freebsd.org> Cc: "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: Re: Ryzen lockup on bhyve was (Re: new Ryzen lockup issue ?) Message-ID: <7fa0b7a0-492e-6ded-3b5c-1edeff54d746@sentex.net> In-Reply-To: <36c062e4-352b-eebe-5f08-1af250d98eee@sentex.net> 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>
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On 3/1/2018 8:00 AM, Mike Tancsa wrote: > On 2/27/2018 6:30 PM, Peter Grehan wrote: >> i.e. for a configuration that will lock up, run the same configuration >> but with vCPUs pinned. For example, a 4 vCPU guest that will have vCPUs >> 0-3 pinned to host physical CPUs 7-10 would look like: >> >> -c 4 -p 0:7 -p 1:8 -p 2:9 -p 3:10 > Hi Peter, > On the Epyc it seemed to take a longer, but eventually the box locked > up and the watchdog ended up rebooting the server. I started 3, vCPU > guests all with separate CPU's pinned. It lasted 9hrs. The Ryzen board also locked up with just 2 VMs running, and all vCPUs pinned to separate cores. ---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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