Doom crash after 2.5 years of real-world runtime confirmed on real hardware

62•minki_the_avali•4h ago

Comments

0cf8612b2e1e•2h ago

I am going to need to see this replicated before I can believe.

ranger_danger•2h ago

Seems to be a PocketPC port of Doom, with no source given or even a snippet of the relevant code/variable name/etc. shown at all.

unixhero•2h ago

Yes. I think it it seems like it was the os that overflowed, and not Doom in this case.

nomel•2h ago

It's also running on very old hardware, potentially with some electrolytic capacitors that have dried up. And, there's always the possibility that it's a gamma ray [1]!

[1] https://www.bbc.com/future/article/20221011-how-space-weathe...

sunrunner•2h ago

Not a comment on the post, but I sure wish Jira would load even half as quickly as this site.

antsar•2h ago

It takes serious hardware investment [0] to pull that off.

[0] https://lenowo.org/viewtopic.php?t=28

hughes•1h ago

Is this a joke because the site isn't loading at all?

SpicyUme•1h ago

Came back to check this since the tab never loaded. I'm guessing traffic caused some issues?

sunrunner•59m ago

At the time of writing the comment it was practically instantaneous for me and the comment was genuine. Now it seems to be having trouble and I'm choosing to retroactively make the comment a joke about Jira ;)

stevage•1h ago

It's not loading for me at all.

andrewinardeer•55m ago

Perhaps it's hosted on a disposable vape?

gmane•47m ago

Commenting on my Epic from an LG Fridge.

JoshGlazebrook•2h ago

2038 is going to be a fun year.

jonhohle•36m ago

That seems much closer than it did in y2k.

kevin_thibedeau•9m ago

Everybody is sleeping on 2036 for NTP. That's when the fun begins.

serf•2h ago

The easy way to e-Nostradamus predictions:

"See this crash?

I predicted it years ago.

Don't ask me how, I couldn't tell you."

p.s. I had an old iPaq that I wouldn't have trusted to run for longer than a day and stay stable, kudos for that at the very minimum.

jbreckmckye•1h ago

About a year ago I was looking at Crash Bandicoot timer systems and I found that Crash 3 has a constantly incrementing int32. It only resets if you die.

Left for 2.26 years, it will overflow.

When it does finally overflow, we get "minus" time and the game breaks in funny ways. I did a video about it: https://youtu.be/f7ZzoyVLu58

jsheard•1h ago

There's a weapon in Final Fantasy 9 which can only be obtained by reaching a lategame area in less than 12 hours of play time, or 10 hours on the PAL version due to an oversight. Alternatively you can just leave the game running for two years until the timer wraps around. Slow and steady wins the race.

https://finalfantasy.fandom.com/wiki/Excalibur_II_(Final_Fan...

jbreckmckye•1h ago

Oh yeah. The sword you pick up in Memoria. The problem there is that the PAL version runs slower; the way PSX games "translated" between the two video systems was just to have longer VSync pauses for PAL. So the game is actually slower, not interpolated

reactordev•53m ago

Longer vsync pauses but larger frame time deltas so it’s basically the same speed of play. The only thing that was even noticeable was the UI lag.

debo_•1h ago

So that's why it's called Excalibur 2!

lelandfe•51m ago

So the invisible 12h timer runs during cutscenes. During Excalibur 2 runs, I used to open and close the PS1 disc tray to skip (normally unskippable) cutscenes. Never knew why that worked.

(I also never managed to get it)

p1necone•25m ago

> Never knew why that worked.

I'm guessing the game probably streams FMV cutscenes of the disc as they play, and the fallback behaviour if it can't find them is to skip rather than crash.

jonhohle•21m ago

I’m going to wager that the cutscenes are all XA audio/video DMA’d from the disc. Opening the disc kills the DMA and the error recovery is just to end the cutscene and continue. The program is in RAM, so a little interruption on reading doesn’t hurt unless you need to time it to avoid an error reading the file for the next section of gameplay.

stevage•1h ago

You really managed to make the whole video without making a single "crash" pun? (Those freezes come close enough that you could call them crashes...)

jonhohle•28m ago

I think many games were that way. SotN definitely has a global timer. On a native 32-bit system it makes sense, especially when the life of a game was a few months to a few years on the retail shelf. No player is going to leave their system running for 2.27 years so what’s the point of even tesing it?

Who knew at the time they were creating games that would be disassembled, deconstructed, reverse engineered. Do any of us think about that regarding any program we write?

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Doom crash after 2.5 years of real-world runtime confirmed on real hardware

Comments

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Wait4X allows you to wait for a port or a service to enter the requested state

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