Re: [Xen-users] XEN_DOMCTL_assign_device: ... failed (-12)

[George Dunlap <george.dunlap@xxxxxxxxxx>]

On Tue, May 2, 2017 at 4:11 PM, John Connett <jrc@xxxxxxxxxxxxxxxxxx> wrote:
> I'm trying to test OPNsense 17.1 (based on FreeBSD 11) in a Xen x86_64
> domU with dom0 openSUSE Tumbleweed / xen-4.8.0. Installation and update
> went smoothly and I can access the console and web interface.
>
> My plan is to have the WAN bridged to dom0 and the LAN to use PCI pass
> through to an old Ralink corp. RT2500 Wireless 802.11bg (rev 01). It is
> in the PCI assignable list:
>
> # lspci | fgrep Ralink
> 03:00.0 Network controller: Ralink corp. RT2500 Wireless 802.11bg (rev 01)
> # xl pci-assignable-list
> 0000:03:00.0
> #
>
> However, when I use Add Hardware to add the PCI Host Device the VM then
> fails to start:
>
> # cat /var/log/xen/qemu-dm-opnsense.log
> char device redirected to /dev/pts/8 (label serial0)
> qemi-system-i386: terminating on signal 1 from pid 2868 (/usr/sbin/libvirtd)
> #
>
> There is also a console message:
>
> XEN_DOMCTL_assign_device: assign 000:3:00.0 to dom4 failed (-12)

When reporting a bug, please always at least include the output of "xl
dmesg" and "dmesg" (or /var/log/messages, or whatever).

Error -12 is "Not enough memory" (or "Couldn't allocate memory"); it
would be good to know what might have gone into that.

Thanks,
 -George

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