Re: mount -f regression in v2.21's new-mount

Karel Zak
2012-03-08T09:23:46Z

On Wed, Mar 07, 2012 at 10:10:01PM +0000, Matt Burgess wrote:
> On Wed, 2012-03-07 at 08:49 +0100, Karel Zak wrote:
>
> > Try to modify your init scripts:
> >
> > LIBMOUNT_DEBUG=0xffff mount -f /run 2> /root/mount-run.debug
> >
> > we will see more details in the log.
>
> Thanks, Karel. Debug log attached.

.. but it seems like debug output from the situation when mount(2)
was not called. I don't see any bug here.

Karel

>
> Regards,
>
> Matt.

> 243: libmount: CXT: [0x178f060]: ----> allocate
> 243: libmount: UTILS: mtab: /etc/mtab
> 243: libmount: CXT: [0x178f060]: enabling flag 0004
> 243: libmount: CXT: [0x178f060]: mount: preparing
> 243: libmount: CXT: [0x178f060]: use default optmode
> 243: libmount: CXT: [0x178f060]: OPTSMODE: ignore=0, append=0, prepend=1, replace=0, force=0, fstab=1, mtab=1
> 243: libmount: CXT: [0x178f060]: trying to apply fstab (src=(null), target=/run)
> 243: libmount: TAB: [0x178f200]: alloc
> 243: libmount: TAB: [0x178f200]: /etc/fstab: start parsing (0 entries)
> 243: libmount: TAB: [0x178f200]: add entry: /dev/sda3 /
> 243: libmount: TAB: [0x178f200]: add entry: /dev/sda5 swap
> 243: libmount: TAB: [0x178f200]: add entry: proc /proc
> 243: libmount: TAB: [0x178f200]: add entry: sysfs /sys
> 243: libmount: TAB: [0x178f200]: add entry: devpts /dev/pts
> 243: libmount: TAB: [0x178f200]: add entry: tmpfs /run
> 243: libmount: TAB: [0x178f200]: add entry: devtmpfs /dev
> 243: libmount: TAB: [0x178f200]: /etc/fstab: stop parsing (7 entries)
> 243: libmount: CACHE: [0x1790480]: alloc
> 243: libmount: TAB: [0x178f200]: lookup TARGET: /run
> 243: libmount: CXT: [0x178f060]: apply entry:
> 243: libmount: CXT: ------ fs: 0x17900f0
> source: tmpfs
> target: /run
> fstype: tmpfs
> optstr: defaults
> 243: libmount: CXT: [0x178f060]: merging mount flags
> 243: libmount: CXT: [0x178f060]: final flags: VFS=00000000 user=00000000
> 243: libmount: CXT: [0x178f060]: mount: evaluating permissions
> 243: libmount: CXT: [0x178f060]: mount: fixing optstr
> 243: libmount: CXT: applying 0x00000000 flags to '(null)'
> 243: libmount: CXT: new optstr 'rw'
> 243: libmount: CXT: applying 0x00000000 flags to '(null)'
> 243: libmount: CXT: new optstr '(null)'
> 243: libmount: CXT: [0x178f060]: fixed options [rc=0]: vfs: 'rw' fs: '(null)' user: '(null)', optstr: 'rw'
> 243: libmount: CXT: [0x178f060]: preparing source path
> 243: libmount: CXT: [0x178f060]: srcpath 'tmpfs'
> 243: libmount: CXT: [0x178f060]: PROPAGATION/pseudo FS source: tmpfs
> 243: libmount: CXT: [0x178f060]: preparing target path
> 243: libmount: CACHE: [0x1790480]: add entry [ 1] (path): /run: /run
> 243: libmount: CXT: [0x178f060]: final target '/run'
> 243: libmount: CXT: [0x178f060]: FS type: tmpfs
> 243: libmount: CXT: [0x178f060]: /sbin/mount.tmpfs ... not found
> 243: libmount: CXT: [0x178f060]: /sbin/fs.d/mount.tmpfs ... not found
> 243: libmount: CXT: [0x178f060]: /sbin/fs/mount.tmpfs ... not found
> 243: libmount: CXT: [0x178f060]: prepare update
> 243: libmount: UPDATE: [0x1790220]: allocate
> 243: libmount: UPDATE: [0x1790220]: resetting FS [fs=0x0x178f140, target=(null), flags=0x00000000]
> 243: libmount: UPDATE: [0x1790220]: FS template:
> 243: libmount: UPDATE: ------ fs: 0x178f140
> source: tmpfs
> target: /run
> fstype: tmpfs
> optstr: rw
> VFS-optstr: rw
> 243: libmount: UPDATE: [0x1790220]: ready
> 243: libmount: CXT: [0x178f060]: mount: do mount
> 243: libmount: CXT: [0x178f060]: (FAKE) mount(2) [source=tmpfs, target=/run, type=tmpfs, mountflags=0xc0ed0000, mountdata=<none>]
> 243: libmount: UPDATE: [0x1790220]: /etc/mtab: update tab
> 243: libmount: UPDATE: ------ fs: 0x17904f0
> source: tmpfs
> target: /run
> fstype: tmpfs
> optstr: rw
> VFS-optstr: rw
> 243: libmount: LOCKS: [0x178f2c0]: alloc: default linkfile=/etc/mtab~.243, lockfile=/etc/mtab~
> 243: libmount: LOCKS: [0x178f2c0]: signals: BLOCKED
> 243: libmount: UPDATE: [0x1790220]: /etc/mtab: add entry
> 243: libmount: LOCKS: [0x178f2c0]: /etc/mtab~: (243) successfully locked
> 243: libmount: TAB: [0x1790030]: alloc
> 243: libmount: TAB: [0x1790030]: /etc/mtab: start parsing (0 entries)
> 243: libmount: TAB: [0x1790030]: add entry: /dev/sda3 /
> 243: libmount: TAB: [0x1790030]: add entry: proc /proc
> 243: libmount: TAB: [0x1790030]: add entry: sysfs /sys
> 243: libmount: TAB: [0x1790030]: /etc/mtab: stop parsing (3 entries)
> 243: libmount: TAB: [0x1790030]: add entry: tmpfs /run
> 243: libmount: UPDATE: [0x1790220]: /etc/mtab: updating
> 243: libmount: LOCKS: [0x178f2c0]: (243) unlocking
> 243: libmount: LOCKS: [0x178f2c0]: unlink /etc/mtab~
> 243: libmount: LOCKS: [0x178f2c0]: restoring sigmask
> 243: libmount: TAB: [0x1790030]: reset
> 243: libmount: TAB: [0x1790030]: free
> 243: libmount: UPDATE: [0x1790220]: /etc/mtab: update tab: done [rc=0]
> 243: libmount: LOCKS: [0x178f2c0]: free
> 243: libmount: CXT: [0x178f060]: <---- reset [status=1] ---->
> 243: libmount: TAB: [0x178f200]: reset
> 243: libmount: TAB: [0x178f200]: free
> 243: libmount: CACHE: [0x1790480]: free
> 243: libmount: UPDATE: [0x1790220]: free
> 243: libmount: CXT: [0x178f060]: <---- free

--
Karel Zak <kzak@redhat.com>