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As reported in bug #2402, a system started with "default_hugepagesz=1G
hugepagesz=1G" does not have a /sys/kernel/mm/hugepages/hugepages-2048kB
directory.
To fix, ignore the missing directory in hugepages_mount (since it might
not be needed anyway), and correctly check if the requested hugepage
size is available in hugepages_size instead.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
In general it matters where a command line options is positioned
inside a QEMU command, so we want to actually also check the order in
the cfg2cmd test, to do so we need to avoid false positives like this
added.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Thanks to Gilberto Nunes for finding a bug where the VM would not start
with foldersharing enabled and the qemu agent option disabled [0].
The cause was that the device org.spice-space.webdav.0 would not find a
virtio-serial-bus in this situation.
Since we always create a virtio-serial-bus for the spice vdagent it
seems sensible to use that also for the foldersharing device by moving
it in front of the other spice devices.
[0]: https://pve.proxmox.com/pipermail/pve-devel/2019-October/039441.html
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
This removes the cloudinit disk from the list of drives to clone. As the
cloudinit disk is recreated on every VM start, it's not necessary to
clone it.
Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
The reason for why we did not do this in the first place was the fact
that the "usb3" flag could be set in older qemu-server versions, we
just ignored it but not filtered it out of the config..
That means there can be VMs out there which would now become a
different HW layout, and issue for migration and live-snapshot
restore.
But, actually, while the "usb3" property could be set it allowed to
start the VM in only if an additional USB devices was added to the VM
with USB2, or the VM uses "q35" based machine - as else no "ehci" was
available, and thus the "ignored" USB3 - SPICE could not get attached
anywhere -> QEMU chickened out.
And if a user had a configuration where this could started we have
still a bit luck, live-migration was not possible as the "can't
migrate VM which uses local devices:" check still hit, as in
qemu-server older than 6.0-8 we explicitly checked for "spice" when
seeing what usb device were not local, so a "spice,usb3=X" was always
(luckily) wrongly detected as local device -> migration was blocked.
So we only have one case left: restoring a live-snapshot. Here sadly
there seems no way out, it was possible to do with a "spice,usb3=1"
usb device, and thus all Snapshots taken on such VMs after they had a
clean restart on PVE 6 (to have a machine version >= 4.0) are broken
- but can be easily fixed by removing the "usb3=1" from the
problematic snapshot config.
As restoring a snapshot can be repeated more than once even on
failure without rendering the snapshot or VM permanently unusable,
this should be a reasonable compromise.
I strongly believe that the chance is so small that no one is
affected in practice and the property description mentioned that it
was not supported. If anybody is affected on snapshot restore we can
help them on a case-per-case basis.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
The fix introduced in commit bf4a933 did not work as intended. We're
iterating over the $oldconf, not over $virtdev_hash. This means
$drive->{is_cloudinit} is always undefined. Instead use the $exclude_cloudinit
parameter from drive_is_cdrom().
Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
and add "current" as keyword, further remove the parenthesis for the
post-if, to adapt to Proxmox general perl code style
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Thanks to Stefan and Thomas for the suggestions.
Changes from v1:
* update parameter description
* warn instead of die
Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
otherwise a user with only VM.Config.HWType cannot
delete a 'pending' usbX: spice or serial: socket option
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
The check relied on the fact that in a regular use case a usb device of
type spice would not have any other settings like `usb3=1`. An exact
match worked fine for this.
This patch changes the behaviour and makes it possible to migrate VMs
with Spice USB devices that have additional usb options set.
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
To not change current behaviour and thus breaking live migration USB3
for a Spice USB device requires Qemu v4.1.
The old behavior was that even though technically it was possible to
the set `usb3=1` setting, it was ignored. The bus was hardcoded to
ehci. If another USB2 device was added or the machine type was set to
Q35 an ehci controller was present and the VM was able to boot.
With this patch the behaviour is changing and the bus is set to xhci if
USB3 is set for the Spice USB device and the VM is running under Qemu
v4.1.
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
this creates a reboot request file (inspired by pve-container)
and relies on the 'qm cleanup' call by the qmeventd to detect
and restart the vm afterwards
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
we want to reuse most of the code in the locked context of vm_stop
for vm_reboot (since it really is just a vm_stop with a
create_reboot_request in there) so we factor that out into
_do_vm_stop
and note that it has to be called in a locked context
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
if the reboot trigger file was set, start the vm again
also cleanup the reboot trigger on vm startup, to prevent
leftover files to trigger a reboot at the next shutdown
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
try to increase variable declaration to use locality, reduce
duplication of same variable names used, and try to cleanup a bit in
general..
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
For non pci express passthrough additional addresses are reserved.
For pcie passthrough pcie root ports are needed (unless guest is like
windows 7).
The first 4 pcie root ports are defined by default in the pve-q35*.cfg
files. If more than 4 pcie devices are passed through the needed root
ports are created on demand. This helps to keep live migration possible
without adding a new pve-q35*.cfg file.
For the windows 7 like guests additional addresses are reserved as well.
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
This adds a new config option called `spice_enhancements` with two
optional settings:
* videostreaming
* foldersharing
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
Live migration with a local cloudinit disk was never intended to work. It did
however work to an extent that the migration completed but the disk on the
source node could not be deleted. Now die if a live migration is started with
a local cloudinit disk.
With the GUI changes live migration is already disabled as it recognizes the
cloudinit disk as a local resource.
Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
for some reason not setting port results in a port of '65535' which
triggers an execption in http-server anyevent, so we set the port to 0
also, we have to read the ticket from stdin even for 'unix' type secure
migration
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
we now also save the mtime of the binary and cache per binary (for each
arch; this is done so we have it already when we sometime decide
that we want to split the qemu package for each arch)
so that we get the real version if only pve-qemu-kvm was updated
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
A generated VM with default values does not set the memory key in the
configuration. Hence the size of the state file for a suspend had only
the default size of the state itself and not in addition twice the
configured memory.
The patch uses the static defaults from the JSON schema if the memory
key is not set.
Signed-off-by: Alwin Antreich <a.antreich@proxmox.com>
The latest changes to our audio device implemenation [0] changed the
naming of the device id to "audio<id>" which in practice resulted in
"audio0".
This conflicts with the predefined audio device in the Q35 configs
that is also using "audio0". The result is that a VM with a
configured audio device and Q35 type will not start.
While we just would had removed the audio0 device if we had detected
this earlier in the new 4.0 q35 config, we cannot do so anymore due
to migration compatibility.
So rename the device from "audio$id" to audiodev$id".
Co-authored-by: Aaron Lauterer <a.lauterer@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Both flags were causing issues and have been made into optional flags to
be manually selected by the user if needed.
The supported flags have been merged into a single list for convenience.
Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
QEMU 4 adds the `-audiodev` parameter to explicitly specify the audio
backend. Setting it avoids occasional error messages when starting a
virtual machine with an audio device and qemu wants to connect it to the
physical audio device.
For now only SPICE is supported as it's also the biggest use case.
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
die if we get some unknown value, which is either a bug (new dev type
added to enum but not here) or a user manual edit error, good to
ccatch both
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Until now audio devices had to be added manually with the `args` option
in the VMs config file. This adds a new config option to define an audio
device. It is called `audio0` with the extra `0` to be prepared should
we ever implement support for more than one audio device.
Supported devices are:
* ich9-intel-hda: Intel HD Audio Controller, emulates ICH9
* intel-hda: Intel HD Audio Controller, emulates ICH6
* AC97: useful for older OSs like Win XP
If any of the `intel-hda`s is selected two additional devices will be
created: hda-micro and hda-duplex. The `*intel-hda` controllers need at
least one of them as they emulate microphones and speakers (hda-micro)
or line in and out devices (hda-duplex).
Having both is deemed best practice to avoid problems if some software
needs one of the other kind of output/input ports.
I also cleaned up some old, commented out, code regarding audio devices.
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
