Date: Tue, 22 Dec 2015 13:09:00 +1000
From: Peter Grehan <grehan@freebsd.org>
To: Sergey Manucharian <sm@ara-ler.com>
Cc: FreeBSD virtualization <freebsd-virtualization@freebsd.org>
Subject: Re: {Spam?} Re: bhyve PCI pass-through to Linux guest
Message-ID: <5678BECC.7090200@freebsd.org>
In-Reply-To: <20151220215240.GB4064@dendrobates.araler.com>
References: <20151220045821.GG22018@dendrobates.araler.com> <56763672.3090207@freebsd.org> <20151220051015.GH22018@dendrobates.araler.com> <56763A0B.8010802@freebsd.org> <20151220053644.GI22018@dendrobates.araler.com> <20151220215240.GB4064@dendrobates.araler.com>
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Hi Sergey, > This is pretty reproducible: > > I pass trough a PCI device (USB controller) to a Linux guest. It works > properly. Then I halt the VM, make sure that bhyve destroyed it and run > Windows guest with the same PCI device passed-through. > > Windows device manager does show the device, however, e.g. a flash drive > plugged in is not presented to Windows, instead it's being processed by > FreeBSD. > > After that it does not work in Linux guest as well. Kernel module (vmm) > unloading and reloading does not help. The flash drive being processed by FreeBSD would indicate that it has ownership of the device. Would you be able to try a 'pciconf -vl' after the Linux guest exists, and after the Windows guest exits ? later, Peter.
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