[Virtio-fs] VirtIOFS Service stop working on Windows guest when reading file from shared directory
MkfsSion
mkfssion at mkfssion.com
Sun Mar 27 07:48:56 UTC 2022
Hello everyone,
I encountered an issue when using VirtIOFS on Windows guest. Once I
read files on guest, the VirtIOFS service stopped suddenly. I followed the
instruction on https://virtio-fs.gitlab.io/howto-windows.html site. The
following is the information about my setup.
virtiofsd version:
mkfssion at MkfsSion-LPC ~ [1]> /usr/lib/qemu/virtiofsd -V
virtiofsd version 6.2.0
Copyright (c) 2003-2021 Fabrice Bellard and the QEMU
Project developers
using FUSE kernel interface version 7.33
Linux version:
Linux MkfsSion-LPC 5.10.108-1-lts510 #1 SMP Wed, 23 Mar
2022 09:50:53 +0000 x86_64 GNU/Linux
Windows guest:
Version Windows 10 Enterprise LTSC
Version Number 21H2
OS Internal Version 19044.1586
Experience Windows Feature Experience Pack
120.2212.4170.0
VirtIODriver: virtio-win-0.1.215
Error code shown in Windows Explorer: 0x800703E3
Debug log from VirtIOFS service after appending -d -1 -D C:
\virtiofs.log parameter: https://fars.ee/D0sr
Host FS: btrfs
libvirt xml:
...
<memoryBacking>
<hugepages/>
<source type="memfd"/>
<access mode="shared"/>
</memoryBacking>
...
<filesystem type="mount" accessmode="passthrough">
<driver type="virtiofs"/>
<binary path="/usr/lib/qemu/virtiofsd"/>
<source dir="/var/lib/libvirt/share"/>
<target dir="share"/>
<alias name="fs0"/>
<address type="pci" domain="0x0000" bus="0x0a"
slot="0x00" function="0x0"/>
</filesystem>
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