[UIFe] [FFe] recovery mode mounts filesystems read-write rather than read-only
Bug #575469 reported by
Chris J
This bug affects 2 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
friendly-recovery (Ubuntu) |
Fix Released
|
Medium
|
Stéphane Graber | ||
Oneiric |
Fix Released
|
Medium
|
Stéphane Graber | ||
newt (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Oneiric |
Invalid
|
Undecided
|
Unassigned |
Bug Description
Binary package hint: friendly-recovery
In recovery mode, filesystems should probably be mounted read-only, since pending any problems they can safely be remounted read-write, while the reverse is not necessarily true. This means that operations such as fsck, badblocks, zerofree, etc. are not possible without having to use a boot CD, and ensuring that any additional binaries are compatible. One should assume that booting into recovery mode is either deliberate or has come about because of a problem.
f-r 0.2.10 on lucid/2.
Changed in friendly-recovery (Ubuntu): | |
status: | New → Confirmed |
assignee: | nobody → Surbhi Palande (csurbhi) |
Changed in friendly-recovery (Ubuntu Oneiric): | |
importance: | Undecided → Medium |
milestone: | none → ubuntu-11.10-beta-1 |
Changed in friendly-recovery (Ubuntu Oneiric): | |
assignee: | Surbhi Palande (csurbhi) → Stéphane Graber (stgraber) |
Changed in friendly-recovery (Ubuntu): | |
milestone: | ubuntu-11.10-beta-1 → ubuntu-11.10-beta-2 |
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They are mounted RW because of recovery-mode options like dpkg "Repair broken packages" (actually an upgrade as per bug #452222). There is an fsck option that is invisible on Ubuntu 10.04 (Lucid Lynx) due to bug #566200. It creates a flag file, /forcefsck, that is checked for by the mountall.conf Upstart job to force a fsck at next boot. Creating the flag file probably is relatively safe as / gets checked before mounting.