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Hello Stefan, </div>
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<br>
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Here is the output from virtofsd..</div>
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<div class="elementToProof">- Journal begins at Thu 2022-05-26 04:23:42 UTC, ends at Thu 2022-05-26 04:41:57 UTC. --
<div>May 26 04:24:13 localhost systemd[1]: Started virtio-fs vhost-user device daemon.<<Placeholder: run this daemon as non-privileged user>>.</div>
<div>May 26 04:24:13 localhost virtiofsd[505]: [2022-05-26T04:24:13Z INFO virtiofsd] Waiting for vhost-user socket connection...</div>
<div>May 26 04:27:11 device-3e4b479e2ee9c647 virtiofsd[505]: [2022-05-26T04:27:11Z INFO virtiofsd] Client connected, servicing requests</div>
<div>May 26 04:27:33 device-3e4b479e2ee9c647 virtiofsd[505]: [2022-05-26T04:27:33Z ERROR virtiofsd]<b> Waiting for daemon failed: HandleRequest(InvalidParam)</b></div>
<div>May 26 04:27:33 device-3e4b479e2ee9c647 systemd[1]: virtiofsd.service: Deactivated successfully.</div>
May 26 04:27:33 device-3e4b479e2ee9c647 systemd[1]: virtiofsd.service: Scheduled restart job, restart counter is at 1.<br>
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<b>From:</b> Stefan Hajnoczi<br>
<b>Sent:</b> Wednesday, May 25, 2022 4:02 PM<br>
<b>To:</b> Prashant Dewan<br>
<b>Cc:</b> virtio-fs@redhat.com<br>
<b>Subject:</b> Re: [Virtio-fs] vhost_set_vring_kick failed
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<div class="PlainText elementToProof">On Tue, May 24, 2022 at 02:29:12PM +0000, Pra Dew wrote:<br>
> I am trying to setup virtfs using KVM and QEMU.<br>
> <br>
> <br>
> 1. Inside the VM, I do<br>
> * mount -t virtiofs myfs /dev/myfile --succeeds<br>
> * cd /dev/myfile -hangs<br>
> <br>
> <br>
> 1. The host logs -<br>
> <br>
> qemu-system: Failed to write msg. Wrote -1 instead of 20.<br>
<br>
Sending a vhost-user protocol message failed. It is likely that the<br>
virtiofsd process terminated and the UNIX domain socket closed on QEMU.<br>
<br>
Is there any output from virtiofsd?<br>
<br>
Stefan<br>
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