Ticket #7158 (closed defect: fixed)
Upgrade from 656 to 703 leaves su unusable when you fallback to 656.
|Reported by:||cscott||Owned by:||cscott|
|Priority:||normal||Milestone:||8.2.0 (was Update.2)|
|Component:||upgrade utility||Version:||Build 656|
|Action Needed:||test in build||Verified:||no|
|Deployments affected:||Blocked By:|
olpc-update from 656 to 703 apparently writes through the hardlink of su to change its ownership, which makes 'su' unusable if/when you use 'alt boot' to fall back to 656.
The "real" solution is actual copy-on-write support in the upgrade system, but a short-term workaround would be to have olpc-update forcibly unlink /bin/su in olpc-update.