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Fatal error occured. Machine has stopped.

PostPosted: 2. Aug 2021, 11:15
by Robores
This concerns a Win XP in Virtual Box. Does not work anymore. Any suggestions on fixing this? See attachement.

Re: Fatal error occured. Machine has stopped.

PostPosted: 2. Aug 2021, 12:14
by mpack
I'm surprised this VM ever worked.
00:00:03.540519 Host RAM: 8085MB (7.8GB) total, 3016MB (2.9GB) available
...
00:00:03.925040 RamSize <integer> = 0x0000000100000000 (4 294 967 296, 4 096 MB, 4.0 GB)

You have allocated RAM you don't have. Your error is "VERR_MAP_FAILED", which I believe will be a memory allocation error caused by this mistaken configuration.

00:00:03.925259 3DEnabled <integer> = 0x0000000000000001 (1)

3D acceleration doesn't work in XP guests, so you should turn this off.

00:00:03.925038 NumCPUs <integer> = 0x0000000000000001 (1)

It's a pity that you only allocated one CPU core. XP would run much better (smoother) with 2 cores. However you should NOT change this now without researching how to change the XP HAL, as XP is not "plug and play" with regard to CPU cores, it will ignore any additional cores you give it. Changing the HAL in an XP VM.

Re: Fatal error occured. Machine has stopped.

PostPosted: 3. Aug 2021, 08:09
by Robores
Problem solved. Thank you very much. Have a nice day.