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From: Stephen Hemminger <stephen@networkplumber.org>
Date: Mon, 4 Feb 2019 18:41:47 +1300
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Subject: Re: [dpdk-dev] [Bug 204] Crash on Vmware esxi host when dpdk guest
	reboots.
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Anything that crashes a host is a host bug. The host can never trust the
guest to be well behaved. These are serious  often with security
implications. Hopefully VMware will or has already addressed it.

On Sat, Feb 2, 2019, 6:18 AM <bugzilla@dpdk.org wrote:

> https://bugs.dpdk.org/show_bug.cgi?id=204
>
>             Bug ID: 204
>            Summary: Crash on Vmware esxi host when dpdk guest reboots.
>            Product: DPDK
>            Version: 18.11
>           Hardware: x86
>                 OS: Other
>             Status: CONFIRMED
>           Severity: major
>           Priority: Normal
>          Component: core
>           Assignee: dev@dpdk.org
>           Reporter: girish_potti@affirmednetworks.com
>   Target Milestone: ---
>
> Running Vmware esxi 6.5 with i40en driver 1.7.11 . Guest running debian8.0
> with
> either dpdk 18.05.1 or dpdk18.11 (lts) .
>
> When the guest is rebooted occasionally we see the crash on esxi host and
> the
> guest is shut down.
>
> vmware-9.log:2018-09-24T00:57:09.434Z| vmx| I120+ PCI passthru device
> 0000:03:0e.0 caused an IOMMU fault type 4 at address 0x7881ba04e3000.
> Powering
> off the virtual machine. If the problem persists please contact the
> device's
> vendor.```
>
> The Device 0000:03:0e.0 is a fortville 25g nic. The guests have vfs as
> adapters
> running dpdk.
>
> If we dont have dpdk running on guest(just the linux vfs driver)  this
> issue
> doesnt happen on host.
>
> --
> You are receiving this mail because:
> You are the assignee for the bug.