* piaojun ([email protected]) wrote: > Hi Dave, > > It works when adding "-o rootmode=040000,user_id=0,group_id=0,dax".
OK, great. Hmm I wonder which option is the required one. Dave > Thanks, > Jun > > On 2019/7/23 17:01, Dr. David Alan Gilbert wrote: > > * piaojun ([email protected]) wrote: > >> Hi Dave, > >> > >> Thanks for your quick reply, and still mount failed. But I can not get > >> some useful message from dmesg. > >> > >> # mount -t virtio_fs myfs /mnt/virtiofs/ > >> mount: wrong fs type, bad option, bad superblock on myfs, > >> missing codepage or helper program, or other error > >> > >> In some cases useful info is found in syslog - try > >> dmesg | tail or so. > > > > This is working for me - but with the latest -dev qemu/virtiofsd as > > well; please make sure both are up to date: > > > > I used: > > > > mount -t virtio_fs myfs /sysroot -o rootmode=040000,user_id=0,group_id=0,dax > > > > Dave > > > >> On 2019/7/23 16:31, Dr. David Alan Gilbert wrote: > >>> * piaojun ([email protected]) wrote: > >>>> Hi, > >>>> > >>>> I got a problem when mounting virtiofs in kernel5.1 as below: > >>>> > >>>> fuse: loading out-of-tree module taints kernel. > >>>> fuse: module verification failed: signature and/or required key missing > >>>> - tainting kernel > >>>> fuse init (API version 7.29) > >>>> virtio_fs virtio1: Cache len: 0x80000000 @ 0x180000000 > >>>> virtio1 initialised, 524288 pages in 12ms > >>>> virtio_fs_find_instance: fs->tag myfs, tag /dev/null > >>>> virtio-fs: tag </dev/null> not found > >>>> Mounting FUSE Control File System... > >>>> [/bin/bash]: [mount -t virtio_fs /dev/null /mnt/virtiofs/ -o tag=myfs] > >>>> return code=[32], execute failed by [root(uid=0)] from [pts/0 > >>>> (9.4.90.78)] > >>>> > >>>> And my kernel code is: > >>>> https://github.com/rhvgoyal/linux/commits/virtio-fs-dev-5.1 > >>>> > >>>> I wonder if the mount command has been changed? > >>> > >>> There was a change that went in last night, I believe the new format is: > >>> > >>> mount -t virtio_fs myfs /mnt/virtiofs/ > >>> > >>> with the tagname going into the device position. > >>> > >>> Does that work? > >>> > >>> Dave > >>> > >>> > >>>> Thanks, > >>>> Jun > >>>> > >>>> _______________________________________________ > >>>> Virtio-fs mailing list > >>>> [email protected] > >>>> https://www.redhat.com/mailman/listinfo/virtio-fs > >>> -- > >>> Dr. David Alan Gilbert / [email protected] / Manchester, UK > >>> . > >>> > > -- > > Dr. David Alan Gilbert / [email protected] / Manchester, UK > > . > > -- Dr. David Alan Gilbert / [email protected] / Manchester, UK
