[pve-devel] [PATCH qemu-server/manager/docs v1 0/3] Live-Migration with VNC clipboard

[pve-devel] [PATCH qemu-server/manager/docs v1 0/3] Live-Migration with VNC clipboard

[Markus Frank]

The live-migration feature now works with qemu's upstream commit:
5d56bff11e ("ui/vdagent: add migration support")

https://github.com/qemu/qemu/commit/5d56bff11e3d7fdbbf7fda6c9a8ebd0d6b7a7bac


qemu-server:

Markus Frank (1):
  vga: allow live-migration with clipboard

 src/PVE/API2/Qemu.pm   | 5 -----
 src/PVE/QemuMigrate.pm | 5 -----
 src/PVE/QemuServer.pm  | 2 +-
 3 files changed, 1 insertion(+), 11 deletions(-)


manager:

Markus Frank (1):
  ui: display: remove 'vncMigration' hint

 www/manager6/qemu/DisplayEdit.js | 9 ---------
 1 file changed, 9 deletions(-)


docs:

Markus Frank (1):
  clipboard: remove 'live-migration not possible' note

 qm.adoc | 8 --------
 1 file changed, 8 deletions(-)

-- 
2.47.3



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[pve-devel] [PATCH qemu-server v1 1/3] vga: allow live-migration with clipboard

[Markus Frank]

The live-migration feature now works with qemu's upstream commit:
5d56bff11e ("ui/vdagent: add migration support")

Signed-off-by: Markus Frank <m.frank@proxmox.com>
---
 src/PVE/API2/Qemu.pm   | 5 -----
 src/PVE/QemuMigrate.pm | 5 -----
 src/PVE/QemuServer.pm  | 2 +-
 3 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/src/PVE/API2/Qemu.pm b/src/PVE/API2/Qemu.pm
index 02f5caec..314b6a48 100644
--- a/src/PVE/API2/Qemu.pm
+++ b/src/PVE/API2/Qemu.pm
@@ -5267,11 +5267,6 @@ __PACKAGE__->register_method({
         my ($local_resources, $mapped_resources, $missing_mappings_by_node) =
             PVE::QemuMigrate::Helpers::check_local_resources($vmconf, $res->{running}, 1);
 
-        my $vga = PVE::QemuServer::parse_vga($vmconf->{vga});
-        if ($res->{running} && $vga->{'clipboard'} && $vga->{'clipboard'} eq 'vnc') {
-            push $local_resources->@*, "clipboard=vnc";
-        }
-
         $res->{allowed_nodes} = [];
         $res->{not_allowed_nodes} = {};
 
diff --git a/src/PVE/QemuMigrate.pm b/src/PVE/QemuMigrate.pm
index 6f7fd9f1..4f613ffb 100644
--- a/src/PVE/QemuMigrate.pm
+++ b/src/PVE/QemuMigrate.pm
@@ -293,11 +293,6 @@ sub prepare {
         }
     }
 
-    my $vga = PVE::QemuServer::parse_vga($conf->{vga});
-    if ($running && $vga->{'clipboard'} && $vga->{'clipboard'} eq 'vnc') {
-        die "VMs with 'clipboard' set to 'vnc' are not live migratable!\n";
-    }
-
     my $vollist = PVE::QemuServer::get_vm_volumes($conf);
 
     my $storages = {};
diff --git a/src/PVE/QemuServer.pm b/src/PVE/QemuServer.pm
index 1b9257ef..6d33bec0 100644
--- a/src/PVE/QemuServer.pm
+++ b/src/PVE/QemuServer.pm
@@ -184,7 +184,7 @@ my $vga_fmt = {
     clipboard => {
         description =>
             'Enable a specific clipboard. If not set, depending on the display type the'
-            . ' SPICE one will be added. Migration with VNC clipboard is not yet supported!',
+            . ' SPICE one will be added.',
         type => 'string',
         enum => ['vnc'],
         optional => 1,
-- 
2.47.3



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Re: [pve-devel] [PATCH qemu-server v1 1/3] vga: allow live-migration with clipboard

[Fiona Ebner]

Am 17.11.25 um 5:28 PM schrieb Markus Frank:
> The live-migration feature now works with qemu's upstream commit:
> 5d56bff11e ("ui/vdagent: add migration support")
> 
> Signed-off-by: Markus Frank <m.frank@proxmox.com>
> ---
>  src/PVE/API2/Qemu.pm   | 5 -----
>  src/PVE/QemuMigrate.pm | 5 -----
>  src/PVE/QemuServer.pm  | 2 +-
>  3 files changed, 1 insertion(+), 11 deletions(-)
> 
> diff --git a/src/PVE/API2/Qemu.pm b/src/PVE/API2/Qemu.pm
> index 02f5caec..314b6a48 100644
> --- a/src/PVE/API2/Qemu.pm
> +++ b/src/PVE/API2/Qemu.pm
> @@ -5267,11 +5267,6 @@ __PACKAGE__->register_method({
>          my ($local_resources, $mapped_resources, $missing_mappings_by_node) =
>              PVE::QemuMigrate::Helpers::check_local_resources($vmconf, $res->{running}, 1);
>  
> -        my $vga = PVE::QemuServer::parse_vga($vmconf->{vga});
> -        if ($res->{running} && $vga->{'clipboard'} && $vga->{'clipboard'} eq 'vnc') {
> -            push $local_resources->@*, "clipboard=vnc";
> -        }

I suppose this depends on having machine version >= 10.1, or? (In any
case QEMU binary version >= 10.1 but that is implied by machine version
>= 10.1)

> -
>          $res->{allowed_nodes} = [];
>          $res->{not_allowed_nodes} = {};
> 


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Re: [pve-devel] [PATCH qemu-server v1 1/3] vga: allow live-migration with clipboard

[Fiona Ebner]

Am 17.11.25 um 5:41 PM schrieb Fiona Ebner:
> Am 17.11.25 um 5:28 PM schrieb Markus Frank:
>> The live-migration feature now works with qemu's upstream commit:
>> 5d56bff11e ("ui/vdagent: add migration support")
>>
>> Signed-off-by: Markus Frank <m.frank@proxmox.com>
>> ---
>>  src/PVE/API2/Qemu.pm   | 5 -----
>>  src/PVE/QemuMigrate.pm | 5 -----
>>  src/PVE/QemuServer.pm  | 2 +-
>>  3 files changed, 1 insertion(+), 11 deletions(-)
>>
>> diff --git a/src/PVE/API2/Qemu.pm b/src/PVE/API2/Qemu.pm
>> index 02f5caec..314b6a48 100644
>> --- a/src/PVE/API2/Qemu.pm
>> +++ b/src/PVE/API2/Qemu.pm
>> @@ -5267,11 +5267,6 @@ __PACKAGE__->register_method({
>>          my ($local_resources, $mapped_resources, $missing_mappings_by_node) =
>>              PVE::QemuMigrate::Helpers::check_local_resources($vmconf, $res->{running}, 1);
>>  
>> -        my $vga = PVE::QemuServer::parse_vga($vmconf->{vga});
>> -        if ($res->{running} && $vga->{'clipboard'} && $vga->{'clipboard'} eq 'vnc') {
>> -            push $local_resources->@*, "clipboard=vnc";
>> -        }
> 
> I suppose this depends on having machine version >= 10.1, or? (In any
> case QEMU binary version >= 10.1 but that is implied by machine version >= 10.1)
Sorry, there was an accidental quote here by '>' ending up at the
beginning of the line ;)


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[pve-devel] [PATCH manager v1 2/3] ui: display: remove 'vncMigration' hint

[Markus Frank]

The live-migration feature now works with qemu's upstream commit:
5d56bff11e ("ui/vdagent: add migration support")

Signed-off-by: Markus Frank <m.frank@proxmox.com>
---
 www/manager6/qemu/DisplayEdit.js | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/www/manager6/qemu/DisplayEdit.js b/www/manager6/qemu/DisplayEdit.js
index ab07fd31..cd5f7abf 100644
--- a/www/manager6/qemu/DisplayEdit.js
+++ b/www/manager6/qemu/DisplayEdit.js
@@ -136,15 +136,6 @@ Ext.define('PVE.qemu.DisplayInputPanel', {
                 hidden: '{hideVNCHint}',
             },
         },
-        {
-            xtype: 'displayfield',
-            name: 'vncMigration',
-            userCls: 'pmx-hint',
-            value: gettext('You cannot live-migrate while using the VNC clipboard.'),
-            bind: {
-                hidden: '{hideVNCHint}',
-            },
-        },
         {
             xtype: 'displayfield',
             name: 'defaultHint',
-- 
2.47.3



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[pve-devel] [PATCH docs v1 3/3] clipboard: remove 'live-migration not possible' note

[Markus Frank]

The live-migration feature now works with qemu's upstream commit:
5d56bff11e ("ui/vdagent: add migration support")

Signed-off-by: Markus Frank <m.frank@proxmox.com>
---
 qm.adoc | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/qm.adoc b/qm.adoc
index eb6ab4d..9bd2c3e 100644
--- a/qm.adoc
+++ b/qm.adoc
@@ -1030,14 +1030,6 @@ SPICE, virtio or virgl, you'll need to choose which clipboard to use.
 This is because the default *SPICE* clipboard will be replaced by the
 *VNC* clipboard, if `clipboard` is set to `vnc`.
 
-// TODO: Change NOTE below when live-migration patch is packaged in pve-qemu:
-// https://lists.gnu.org/archive/html/qemu-devel/2025-05/msg05656.html
-NOTE: In order to enable the VNC clipboard, QEMU is configured to use the
-qemu-vdagent device.
-https://lists.gnu.org/archive/html/qemu-devel/2021-08/msg05393.html[Currently,
-the qemu-vdagent device does not support live migration.] This means that a VM
-with an enabled VNC clipboard cannot be live-migrated at the moment.
-
 [[qm_usb_passthrough]]
 USB Passthrough
 ~~~~~~~~~~~~~~~
-- 
2.47.3



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