Michael Tokarev <m...@tls.msk.ru> writes: Hi,
Please try mounting with -oversion=9p2000.L With qemu-1.4.0 and 9p2000.L, I could not recreate this issue. ie not getting Unknown error during directory listing. I am using Guest kernel 3.8.0-rc5+. > When I mount a 9pfs filesystem in guest with no write permission for > some dirs, I'm getting strange errors in guest. > > Host (as a regular user): > qemu-system-x86_64 -virtfs > local,path=/,security_model=mapped-file,mount_tag=tag > > Guest: > # mount -t 9p -o trans=virtio,ro tag /mnt > # ls /mnt > ls: reading directory /mnt: Unknown error 593 > # ls /mnt/dev > ls: reading directory /mnt/dev: Unknown error 849 > # ls /mnt/tmp > [works] > # ls /mnt/root > ls: cannot open directory /mnt/root: Permission denied > > So, it reports errors while trying to _read_ (not open) > readable but non-writable dirs, and these errors are _random_. > It correctly reports errors when trying to open an unreadable > dir. > > This is 1.4.0. Similar problem exists with earlier versions > of qemu. > > Thanks! > > /mjt
