Found it, I had to align with 16384 KiB value. As mentionned by the error message..
De: "Pierre Clouzet" <pierre.clouzet(a)inria.fr>
À: "users" <users(a)lists.libvirt.org>
Envoyé: Mardi 13 Février 2024 09:50:13
Objet: add nvdimm and set it as a dax device
Hello,
I'm trying to add an nvdimm device on my vm and configure it to a dax mode.
Directly with qemu, I was:
sudo ndctl disable-namespace namespace0.0
sudo ndctl create-namespace -m devdax
sudo daxctl reconfigure-device -m system-ram all --force
However, when running with virt-manager, I get the following error
message when
I run
sudo ndctl create-namespace -m devdax
Error: create namespace: region0 align setting is 0x1000000 size
0x1dde0000 is
misaligned.
Here are the xml infos for the nvdimm device:
<memory model="nvdimm" access="shared">
<source>
<path>/mnt/scratch/pclouzet/libvirt/dax0.0</path>
<alignsize unit="KiB">2048</alignsize>
<pmem/>
</source>
<target>
<size unit="KiB">488282</size>
<node>0</node>
<label>
<size unit="KiB">128</size>
</label>
</target>
<address type="dimm" slot="0"/>
</memory>
</devices>
Is there an additional command I missed to set it as a dax device?
Thanks,
Pierre
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