Re: [REGRESSION] 9pfs issues on 6.12-rc1

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On Mon, Aug 11, 2025, at 02:57, asmadeus@xxxxxxxxxxxxx wrote:
> Arnout Engelen wrote on Sun, Aug 10, 2025 at 07:57:11PM +0200:
> > I have a smallish nix-based reproducer at [3], and a more involved setup
> > with a lot of logging enabled and a convenient way to attach gdb at [4].
> > You start the VM and then 'cat /repro/default.json' manually, and see if
> > it looks 'truncated'.
> 
> Thank you!!! I was able to reproduce with this!
>
> Anyway this is a huge leap forward (hopeful it's the same problem and we
> don't have two similar issues lurking here...), we can't thank you
> enough.

Great - that means a lot ;)

On Mon, Aug 11, 2025, at 09:43, Dominique Martinet wrote:
> So that wasn't a 9p bug, I'm not sure if I should be happy or not?

:D

> I've sent "proper-ish" patches at [1] which most concerned people should
> be in Cc; I'm fairly confident this will make the bug go away but any
> testing is appreciated, please reply to the patches with a Tested-by if
> you have time.
> 
> [1] https://lkml.kernel.org/r/20250811-iot_iter_folio-v1-0-d9c223adf93c@xxxxxxxxxxxxx

Awesome!


Kind regards,

-- 
Arnout Engelen
Engelen Open Source
https://engelen.eu




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