Re: [Bug 1445386] Re: virtual machine cannot access p9 filesystem
Oh, interesting - I was thinking a wiki page or ubuntu server guide. But yes virt-manager would also be good affects: virt-manager ** Also affects: virt-manager Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445386 Title: virtual machine cannot access p9 filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/virt-manager/+bug/1445386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1445386] Re: virtual machine cannot access p9 filesystem
hm, maybe next to the source path (see attached screenshot). Something like "The directory you're about to share is not owned by $necessary_user:group. This may cause problems when writing from the guest.". ** Attachment added: "Screenshot from 2015-05-01 12:04:51.png" https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1445386/+attachment/4388994/+files/Screenshot%20from%202015-05-01%2012%3A04%3A51.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445386 Title: virtual machine cannot access p9 filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1445386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 1445386] Re: virtual machine cannot access p9 filesystem
Quoting Muelli (tobias...@gnome.org): > when the directory is chgrp()ed to kvm then I can indeed write to it from the > guest. Thanks for confirming. > I think it'd be good to show that information somewhere in virt- manager when creating the filesystem share. Do you have any suggestions about where to add this? Where did you look when you were looking for info? > it's a bit unfortunate, though. The user need to be either in the kvm > or in the libvirt-qemu group. At least the latter seems to be a non > standard requirement. Agreed. Perhaps libvirt should try to add an ACL for the libvirt-qemu user. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445386 Title: virtual machine cannot access p9 filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1445386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1445386] Re: virtual machine cannot access p9 filesystem
when the directory is chgrp()ed to kvm then I can indeed write to it from the guest. I think it'd be good to show that information somewhere in virt-manager when creating the filesystem share. it's a bit unfortunate, though. The user need to be either in the kvm or in the libvirt-qemu group. At least the latter seems to be a non standard requirement. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445386 Title: virtual machine cannot access p9 filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1445386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1445386] Re: virtual machine cannot access p9 filesystem
** Changed in: libvirt (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445386 Title: virtual machine cannot access p9 filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1445386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1445386] Re: virtual machine cannot access p9 filesystem
Can you please confirm that you are chowning the directories/files to libvirt-qemu user? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445386 Title: virtual machine cannot access p9 filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1445386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1445386] Re: virtual machine cannot access p9 filesystem
When I create ~/share1 and p9-mount it into a libvirt VM just as you did, I was able to create and write - but only to files owned by the libvirt-qemu user, of course (since qemu runs as that user). When the directory was owned by me I could not create files. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445386 Title: virtual machine cannot access p9 filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1445386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1445386] Re: virtual machine cannot access p9 filesystem
on the host: ➜ tmp>echo foo > share1/bar ➜ tmp>echo foo > share2/bar ➜ tmp>ls -la share* share1: total 4 drwxrwxr-x 1 muelli muelli 6 Apr 24 11:22 ./ drwxrwxr-x 1 muelli muelli 30 Apr 24 11:17 ../ -rw-rw-r-- 1 muelli muelli 4 Apr 24 11:28 bar share2: total 4 drwxrwxr-x 1 muelli muelli 6 Apr 24 11:22 ./ drwxrwxr-x 1 muelli muelli 30 Apr 24 11:17 ../ -rw-rw-r-- 1 muelli muelli 4 Apr 24 11:28 bar ➜ tmp>pwd /home/muelli/tmp ➜ tmp> and then on the guest: root@ubuntu:~# mkdir /tmp/mnt1 root@ubuntu:~# mkdir /tmp/mnt2 root@ubuntu:~# mount /hostshare1 -t 9p -o trans=virtio,version9p2000.L,access=any,posixacl /tmp/mnt1/ root@ubuntu:~# mount /hostshare2 -t 9p -o trans=virtio,version9p2000.L,access=any,posixacl /tmp/mnt2/ root@ubuntu:~# ls -la /tmp/mnt*/ /tmp/mnt1/: total 8 drwxrwxr-x 1 foo foo 6 Apr 24 11:22 . drwxrwxrwt 4 root root 4096 Apr 24 11:27 .. -rw-rw-r-- 1 foo foo 4 Apr 24 11:28 bar /tmp/mnt2/: total 8 drwxrwxr-x 1 foo foo 6 Apr 24 11:22 . drwxrwxrwt 4 root root 4096 Apr 24 11:27 .. -rw-rw-r-- 1 foo foo 4 Apr 24 11:28 bar root@ubuntu:~# cat /tmp/mnt*/bar foo foo root@ubuntu:~# echo baz > /tmp/mnt1/baz -bash: /tmp/mnt1/baz: Permission denied root@ubuntu:~# echo baz > /tmp/mnt2/baz -bash: /tmp/mnt2/baz: Permission denied so reading seems to work, but writing not. I can imagine that to be a problem with the permissions of the folder being written to. However, changing the group of the folders to libvirtd didn't help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1445386 Title: virtual machine cannot access p9 filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1445386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
