[Bug 1099349] Re: mountall 2.36.3 hangs in recovery-menu (lvm; mountall 2.36 has no issue)

[Steve Langasek]

Confirmed; the issue here is that the --no-events flag is causing the
event emitting to be skipped (as expected), but as a side effect ensures
that the callback is never called, since the callback setup is handled
via the event.

** Changed in: mountall (Ubuntu)
   Importance: Undecided => High

** Changed in: mountall (Ubuntu)
       Status: Confirmed => Triaged

** Also affects: mountall (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Also affects: mountall (Ubuntu Quantal)
   Importance: Undecided
       Status: New

** Also affects: mountall (Ubuntu Raring)
   Importance: High
       Status: Triaged

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Title:
  mountall 2.36.3 hangs in recovery-menu (lvm; mountall 2.36 has no
  issue)

Status in “mountall” package in Ubuntu:
  Triaged
Status in “mountall” source package in Precise:
  New
Status in “mountall” source package in Quantal:
  New
Status in “mountall” source package in Raring:
  Triaged

Bug description:
  Fresh Ubuntu 12.04.1 amd64 install with the following partition layout / lvm setup:
  $ lsblk 
  NAME                            MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
  sr0                              11:0    1  1024M  0 rom  
  sda                               8:0    0    20G  0 disk 
  ├─sda1                            8:1    0   243M  0 part /boot
  ├─sda2                            8:2    0     1K  0 part 
  └─sda5                            8:5    0  19.8G  0 part 
    ├─u1204--64-swap_1 (dm-0)     252:0    0  1020M  0 lvm  [SWAP]
    ├─u1204--64-root (dm-1)       252:1    0   7.6G  0 lvm  /
    └─u1204--64-usr--local (dm-2) 252:2    0  11.1G  0 lvm  /usr/local

  The installation works as expected and there are no imminent issues during normal usage.
  The issue is with the recovery menu. If someone boots into a rescue entry in the boot menu the rescue menu appears as expected but all entries that remount the root volume rw will hang on mountall.

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