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Cheat Engine locking up with Mono

 
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HenryEx
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PostPosted: Fri Jun 10, 2016 6:13 pm    Post subject: Cheat Engine locking up with Mono Reply with quote
So yeah, there seems to be an annoying problem concerning the Memory Viewer and the use of Mono features. Cheat Engine will lock up until you forcibly close the attached process when you do the following:

1. Attach CE to a game with Mono, use "Activate mono features" or usemono() in an AA script
2. Pause the attached process
3. Opening the memory viewer will now lock up CE

You can also open the memory viewer first and then pause the process, same problem. I tested this with the game Enter the Gungeon, on x64 if it matters.

Sorry if this has been brought up before.
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ParkourPenguin
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PostPosted: Fri Jun 10, 2016 6:25 pm    Post subject: Reply with quote
Probably because of this:
Dark Byte wrote:
mono features inject a running thread in the target and communicate with it. When an address is converted to string, that thread is called to return a string for it(e. g in the disassembler or other code related functions) and ce will then wait for the result
when a breakpoint hits, that thread is frozen and can't respond. so when ce would ask for a string, it'd wait forever.
source

If you need to pause the process, a quick workaround would be to set a breakpoint anywhere to disable mono features.
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HenryEx
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PostPosted: Fri Jun 10, 2016 6:40 pm    Post subject: Reply with quote
A pity, the mono labels would be great to have when the process is paused.

So i guess the fix to this would be to make CE automatically disable mono features when pausing a process.
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