Re: [hatari-devel] Recent regression (commit 527b68f6)

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Le 07/02/2022 à 16:30, Eero Tamminen a écrit :

On 5.2.2022 19.40, Nicolas Pomarède wrote:
this is likely the same bug that Eero reported in "freeze in mfp / interrrupt code" and similar to the one I saw too when booting with tos 1.04.

 From what I see, it's related to TOS timer D that runs very fast at boot with earlier tos version (timer ctrl=1 data=2) and this messes with new mfp/cycint code. A possible fix is to enable the option in system "patch timer d" while waiting for a proper fix in the code.

I'm pretty sure my hang was with that enabled.

(I have it enabled by default because I do not run anything needing that frequent timer-D ints.  E.g. Hatari compatibility list has only three games that need it.)

there could be many causes to the hang you saw and having timer-d at boot caused the problem Christian and I saw.

But the fix I made is not limited to timer D only, it's just that the case of timer d at boot was very reproducible and other combinations of timer could cause the same hang, but less frequently. If you can't reproduce your bug in maxymiser, then I assume it was the same cause.


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