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get it running on my X220 - #25

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@ec1oud

@ec1oud ec1oud commented Oct 3, 2026

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Figuring out how to boot after the installer was done was quite some work: plan9.ini has menu items but those are not supported? So I flattened it to look more like the 9front one, and did machine-specific things; still, fossil wouldn't mount. Better messages can help to troubleshoot this situation.

Next, the 1366x768 mode was scrambled; only 1024x768 was ok, but stretched. A 9front fix from 2011 fixed that.

So now I can run either the terminal or cpu server kernel on this machine.

Bring in a few lines of code from 9front (cinap_lenrek)
f64cf6fb2c810a1c319ae60ddf60f30930c48dd2: this is enough to get the
1366x768 mode working on my X220 laptop.
@ec1oud

ec1oud commented Oct 3, 2026

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BTW I had some help from Qwen 3.8 (locally). Not sure if you want the Assisted-by: footer; don't see any such so far.

Failure to mount was rather opaque and hard to troubleshoot;
I only saw an error about kfs after attempted fallback.
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