Good read Matt. Thanks! Morten
> Den 18. marts 2016 klokken 22:15 skrev Matt Lind <speye...@hotmail.com>: > > > I dealt with this issue quite heavily while working on wildstar. Mostly > occurred in Softimage 7.5, but did experience a few in 2013 SP1. > > In our case, having undo level reset to zero meant there was a corruption > somewhere in the user's default profile under > C:\users\<username>\Autodesk\Softimage_xxx. Renaming this folder and > forcing Softimage to generate a new profile resolved the problem. > > After extensive digging into the problem and handling nearly a hundred > cases, I tracked down the cause to faulty manipulation of the user > preferences file (.prefs). Some tool(s) inside of Softimage corrupt this > file and upon next restart of the application Softimage would not be able to > parse it correctly inducing a lot of flakey behavior including crashing, > file corruption, and resetting undo level to zero. Undo level at zero was a > symptom, not the cause/problem. We didn't have any tools that reset the > undo levels, but a few native Softimage tools do. > > Upon inspecting the .prefs files for affected users, the common thread I > noticed is they each had tons of parameter values set in the file. By > default this file is very sparse, but users migrating from one version of > Softimage to another via the migration tool were the most common victims as > the migrate tool would set an explicit value for every preference parameter > in the migrated .prefs file causing it to become horribly bloated. Manually > deleting data from the .prefs file was not a solution and often cause more > problems. Replacing the .prefs file from another user profile was also not > a solution as there are hidden backups and ties to other files in the > profile that work together, hence why you rename your user profile and let > Softimage generate a new one for you. In short, nipping and tucking worked > in the short term, but within a month the user would be back at my desk with > the same problem all over again. > > Animators were affected most by this problem. On a few occasions I > witnessed it happening first hand. The victims typically relied heavily on > workflows that performed many operations then followed them up with several > consecutive undo operations, then rinse and repeat. If a crash occurred in > that sequence (or scene saved in middle of such as sequence, such as with > auto-save), the scene would get corrupted as well as the .prefs file, or > more accurately, the hidden backup of the .prefs file. And this would > trickle and propagate throughout the user's profile until it became a bigger > problem, usually days later when the user couldn't work anymore. > > My suggestion is to rename your user profile folder and let Softimage > generate a fresh one upon next restart. Then go into the user preferences > and manually set the parameter values you like - and only those parameters. > If you so much as change a parameter value in the preferences, even if you > undo it later, it will be recorded in your .prefs file. So only touch those > you need to touch. Do not use the migrate tool or other conveniences as > that will only infect your fresh profile with data from the bad profile > (behavior won't show up immediately, but it will eventually show up). Same > rule applies for toolbars, layouts, and other customizations. for > plugins/scripts, do not install them on toolbars as commands/buttons. Learn > to make them into self-installing plugins and put them in an appropriate > workgroup and menus. > > > Matt > > > > > Date: Fri, 18 Mar 2016 14:49:59 -0000 > From: "adrian wyer" <adrian.w...@fluid-pictures.com> > Subject: 0 undo levels > > > we have a random issue where occasionally a session will start with undo > levels set to zero > > > > anyone seen this, and more importantly, stopped it from happening!? > > > > 2015 x64 > > > > a > > > > Adrian Wyer > Fluid Pictures > 75-77 Margaret St. > London > W1W 8SY > ++44(0) 207 580 0829 > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com with > "unsubscribe" in the subject, and reply to confirm. ------ Softimage Mailing List. To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com with "unsubscribe" in the subject, and reply to confirm.
