On Thu, May 26, 2022 at 05:34:42AM +0000, Prashant Dewan wrote: > Hello Stefan, > > Here is the output from virtofsd.. > > ------------------------------------ > - Journal begins at Thu 2022-05-26 04:23:42 UTC, ends at Thu 2022-05-26 > 04:41:57 UTC. -- > May 26 04:24:13 localhost systemd[1]: Started virtio-fs vhost-user device > daemon.<<Placeholder: run this daemon as non-privileged user>>. > May 26 04:24:13 localhost virtiofsd[505]: [2022-05-26T04:24:13Z INFO > virtiofsd] Waiting for vhost-user socket connection... > May 26 04:27:11 device-3e4b479e2ee9c647 virtiofsd[505]: [2022-05-26T04:27:11Z > INFO virtiofsd] Client connected, servicing requests > May 26 04:27:33 device-3e4b479e2ee9c647 virtiofsd[505]: [2022-05-26T04:27:33Z > ERROR virtiofsd] Waiting for daemon failed: HandleRequest(InvalidParam)
virtiofsd terminated. I have CCed Sergio and German, who may have suggestions about what to check next. Stefan > May 26 04:27:33 device-3e4b479e2ee9c647 systemd[1]: virtiofsd.service: > Deactivated successfully. > May 26 04:27:33 device-3e4b479e2ee9c647 systemd[1]: virtiofsd.service: > Scheduled restart job, restart counter is at 1. > > ________________________________ > From: Stefan Hajnoczi > Sent: Wednesday, May 25, 2022 4:02 PM > To: Prashant Dewan > Cc: virtio-fs@redhat.com > Subject: Re: [Virtio-fs] vhost_set_vring_kick failed > > On Tue, May 24, 2022 at 02:29:12PM +0000, Pra Dew wrote: > > I am trying to setup virtfs using KVM and QEMU. > > > > > > 1. Inside the VM, I do > > * mount -t virtiofs myfs /dev/myfile --succeeds > > * cd /dev/myfile -hangs > > > > > > 1. The host logs - > > > > qemu-system: Failed to write msg. Wrote -1 instead of 20. > > Sending a vhost-user protocol message failed. It is likely that the > virtiofsd process terminated and the UNIX domain socket closed on QEMU. > > Is there any output from virtiofsd? > > Stefan
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