From the Late Breaking Caveats :
Important note: Patch 5086 is not required for a live install if you are running IRIX 6.5.20 and upgrading to IRIX 6.5.21.
I didn't have any problems with the live upgrade from 6.5.20m to 6.5.21m (without the patch)
gr, Martijn
Important note: Patch 5086 is not required for a live install if you are running IRIX 6.5.20 and upgrading to IRIX 6.5.21.
I didn't have any problems with the live upgrade from 6.5.20m to 6.5.21m (without the patch)
gr, Martijn