I am using Mentor Graphics EE 2007.9.4. Some symbol is mapped as a part and it get locked due to some reason. I can't the locked symbol in symbol editor. But it is visible when i placed that part in schematic. Ho to unlock that symbol?
Two possibilities as to what the problem is depending on symptoms, you're not entirely clear in your description. If you get an error message that the symbol is locked in the symbol editor then look for a lock file in the symbol folder in the Central Library or folder if using a net list flow.
'Central Library Path'\SymbolLibs\'Partition'\sym\lock\'symbol name'.lock
If you are sure the symbol isn't being edited then delete this file, sometimes it can be left over if the something caused the editor to crash.
If on the other hand the symbol editor is unresponsive when you try and edit a symbol - simply hangs and never opens the symbol - then the likely cause is a symbol file with the timestamp in the wrong place. This happens if a symbol without a timestamp is copied from within Library Manager. The solution is to edit the symbol file in a text editor and remove the timestamp line beginning with |R, e.g.
When you next edit the symbol the timestamp will be created in the correct place. Usually symbols without timestamps are generated by the translators when translating symbols from other schematic capture tools, this is a known issue and has been addressed recently in an update to the translators.
Those symbols are reserverd so you shoulod unlock the reserved partion. Also refer below image.
No sir. I know about reserved partition. I didn't mean that. If symbol is locked, if we open that symbol waiting cursor will be enabled. Then we can close that with help of task manager only.
Could you share that corrupted lib?
Thank you Robert. My problem is second one. Now I cleared my problem with your solution.
Great to see this bug is still onfire 5 years later :-)
In what way? In the poster's case it was because the symbol had a timestamp in the wrong place caused by a bug in the translators which we fixed shortly after we discovered it, so this no longer occurs.
I have reached this post because I have the same issue in 2019, PADS VX.2.5. I tried to edit a symbol and got the same error message.
Don´t know why Mentor locks symbols but for sure it will be because a parallel process is blocking the main process to open the symbol editor, creating the lock file when I have clicked the symbol to be edited only once.
So, this is not correctly managed as it still happens, therefore, bug is still there...
I basically solved this deleting the symbol file and reindexing the central library.
Not necessarily the same issue. In your case it could be the first suggestion of a lock file hanging around, or it could be functioning as intended. If you have a symbol already mapped to a part you cannot edit the symbol and add/remove pins because it would break the symbol to cell mapping, in this case you might need to use the option provided by the Tools - Modify Cell & Symbol Pins in Library Manager/PADS Library Tools.
As this is probably related to your other posts regarding creating a local library and may have resulted from steps taken to do this. Unless you opened the symbol and confirmed the timestamp in the wrong place then you cannot state that this is the same problem.
Yes, you´re right for sure. Symbol locking can be reproduced by several ways.
No bug then, just my lack of knowledge about this great tool :-).
Steep learning curve, but hang in there ;-)
Thanks god this forum exists, if not I basically donñt know what would I´d done...
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