On an older, patched libvirt version (8.0.0), I've run into an issue when
attempting to hot plug a PCI device via virsh attach-device --live.
To repro:
1. start a guest and hot plug a device (works fine),
2. hot unplug the device
3. restart libvirt
4. attempt to hot plug the same device, it fails
> -Original Message-
> From: Daniel Henrique Barboza
> Sent: 01 March 2021 18:07
> To: Peter Krempa ; Thanos Makatos
>
> Cc: libvir-list@redhat.com
> Subject: Re: using libvirt 4.5 with upstream qemu
>
>
>
> On 3/1/21 12:47 PM, Peter Krempa wrote:
> -Original Message-
> From: Daniel P. Berrangé
> Sent: 01 March 2021 15:39
> To: Thanos Makatos
> Cc: libvir-list@redhat.com
> Subject: Re: using libvirt 4.5 with upstream qemu
>
> On Mon, Mar 01, 2021 at 03:30:58PM +, Thanos Makatos wrote:
> >
I'm trying to use QEMU master with libvirt 4.5 and QEMU seems to be hanging
when I try to start a guest.
My environment is a modified CentOS 7.9 installation using libvirt 4.5.0. When
I use a modified version of QEMU 2.12 (reasonably close to the stock CentOS
version) everything works fine. When
> -Original Message-
> From: Peter Krempa
> Sent: 23 November 2020 17:47
> To: Thanos Makatos
> Cc: Suraj Kasi ; libvirt-l...@redhat.com; John Levon
>
> Subject: Re: Libvirt NVME support
>
> On Mon, Nov 23, 2020 at 17:40:58 +, Thanos Makatos wrote:
> -Original Message-
> From: Peter Krempa
> Sent: 23 November 2020 16:56
> To: Thanos Makatos
> Cc: Suraj Kasi ; libvirt-l...@redhat.com; John Levon
>
> Subject: Re: Libvirt NVME support
>
> On Mon, Nov 23, 2020 at 16:48:55 +, Thanos Makatos wrote:
> -Original Message-
> From: Peter Krempa
> Sent: 23 November 2020 15:20
> To: Daniel P. Berrangé
> Cc: Michal PrÃvoznÃk ; Thanos Makatos
> ; Suraj Kasi ;
> libvirt-l...@redhat.com; John Levon
> Subject: Re: Libvirt NVME support
>
> On Mon, Nov 23,
> On Mon, Nov 23, 2020 at 13:07:51 +0000, Thanos Makatos wrote:
> >
> > > On Mon, Nov 23, 2020 at 09:47:23 +0000, Thanos Makatos wrote:
> > > > > On Thu, Nov 19, 2020 at 10:17:56 +, Thanos Makatos wrote:
> > > > > > > As a
> On Mon, Nov 23, 2020 at 09:47:23 +0000, Thanos Makatos wrote:
> > > On Thu, Nov 19, 2020 at 10:17:56 +0000, Thanos Makatos wrote:
> > > > > As a starting point a trivial way to model this in the XML will be:
> > > > >
> > > &g
> On Thu, Nov 19, 2020 at 10:17:56 +0000, Thanos Makatos wrote:
> > > As a starting point a trivial way to model this in the XML will be:
> > >
> > >
> > >
> > > And then add the storage into it as:
> > >
> > >
> &
> As a starting point a trivial way to model this in the XML will be:
>
>
>
> And then add the storage into it as:
>
>
>
>
'target dev' is how the device appears in the guest, right? It should be
something like 'nvme0n1'. I'm not sure though this is something that we
> As a separate question, is there any performance benefit of emulating a
> NVMe controller compared to e.g. virtio-scsi?
We haven't measured that yet; I would expect it to be slight faster and/or more
CPU efficient but wouldn't be surprised if it isn't. The main benefit of using
NVMe is that we
> -Original Message-
> From: Peter Krempa
> Sent: 09 November 2020 16:44
> To: Suraj Kasi
> Cc: libvirt-l...@redhat.com; Thanos Makatos
> ; John Levon
> Subject: Re: Libvirt NVME support
>
> On Mon, Nov 09, 2020 at 16:38:11 +, Suraj Kasi wrote:
> &g
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