Re: Recover after a sudden system halt

Sun, 11 Oct 2026 07:38:38 -0700 


> On Oct 11, 2026, at 8:27 AM, Thomas de Grivel <[email protected]> wrote:
> FFS is indeed fast but it is not bug free. It's my next target for a
> quite large regression test suite.
> 
> Maybe I can find all the bugs by making the regression test suite
> larger than the
> implementation. Not for in-tree development but as a tool for devs who
> want to find bugs.
> 
> There are three approaches to testing :
> - userland sharing code with kernel (can be run as a user)
> - kernel code tested as root (mount / unmount / ops)
> - vmm/vmd crashing the system or injecting IO errors on demand. I
> already have patches for that.

Don’t forget to flip random bits to simulate cosmic rays.  </s>

> 
> --
> Thomas de Grivel
> https://www.kmx.io























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