On Thu, 14 Jan 2016, Ian Jackson wrote:
> Stefano Stabellini writes ("Re: [PATCH] QEMU as non-root and PCI passthrough
> do not mix"):
> > On Thu, 14 Jan 2016, Ian Campbell wrote:
> > > What if b_info->device_model_user is NULL or == "root"? Doesn't this warn
> > > even then?
> >
> > I meant to
On Fri, Jan 15, 2016 at 02:14:40PM +, Stefano Stabellini wrote:
> On Thu, 14 Jan 2016, Ian Jackson wrote:
> > Stefano Stabellini writes ("Re: [PATCH] QEMU as non-root and PCI
> > passthrough do not mix"):
> > > On Thu, 14 Jan 2016, Ian Campbell wrote:
> > > > What if b_info->device_model_user
On Fri, 15 Jan 2016, Konrad Rzeszutek Wilk wrote:
> On Fri, Jan 15, 2016 at 02:14:40PM +, Stefano Stabellini wrote:
> > On Thu, 14 Jan 2016, Ian Jackson wrote:
> > > Stefano Stabellini writes ("Re: [PATCH] QEMU as non-root and PCI
> > > passthrough do not mix"):
> > > > On Thu, 14 Jan 2016,
On Fri, 2016-01-15 at 14:49 +, Stefano Stabellini wrote:
> libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an
> error message from QMP server: Device initialization failed
Can we also get a patch added to qemu which provides something more
meaningful if the reason it can't
On Thu, 2016-01-14 at 17:42 +, Ian Jackson wrote:
> Ian Campbell writes ("Re: [PATCH] QEMU as non-root and PCI passthrough do
> not mix"):
> > That reminds me -- how does the qemu user selection work over migrate?
> > Does
> > it remember the specific user or does it try and pick it again on
Ian Campbell writes ("Re: [PATCH] QEMU as non-root and PCI passthrough do not
mix"):
> That reminds me -- how does the qemu user selection work over migrate? Does
> it remember the specific user or does it try and pick it again on the other
> end? Do we require all hosts in a pool to have been
Stefano Stabellini writes ("Re: [PATCH] QEMU as non-root and PCI passthrough do
not mix"):
> On Thu, 14 Jan 2016, Ian Campbell wrote:
> > What if b_info->device_model_user is NULL or == "root"? Doesn't this warn
> > even then?
>
> I meant to warn even if device_model_user is NULL because it is
On Thu, 2016-01-14 at 17:32 +, Stefano Stabellini wrote:
>
> > > +LOG(DEBUG, "QEMU needs to be run as root for PCI passthrough to
> > > work");
> >
> > Shouldn't there be an if here, and/or an error return?
>
> Unfortunately we cannot get the user used to run QEMU with from here.
>
On Thu, 14 Jan 2016, Ian Campbell wrote:
> On Tue, 2016-01-12 at 16:52 +, Stefano Stabellini wrote:
> > PCI passthrough cannot work if QEMU is run as a non-root process today,
> > as QEMU needs to open /dev/mem to mmap the MSI-X table of the device and
> > read/write relevant nodes on sysfs.
>
On Tue, 2016-01-12 at 16:52 +, Stefano Stabellini wrote:
> PCI passthrough cannot work if QEMU is run as a non-root process today,
> as QEMU needs to open /dev/mem to mmap the MSI-X table of the device and
> read/write relevant nodes on sysfs.
>
> Update the docs to reflect that.
>
> Run
PCI passthrough cannot work if QEMU is run as a non-root process today,
as QEMU needs to open /dev/mem to mmap the MSI-X table of the device and
read/write relevant nodes on sysfs.
Update the docs to reflect that.
Run QEMU as root and print a warning if at least one PCI device has been
assigned
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