* cjwatson scratches head over sbeattie's d-i resizing bug
<cjwatson> AFAICT, tune2fs is just lying
<sbeattie> cjwatson: I still have that vm up if you want me to grab any more 
diagnostic info from it.
<cjwatson> it's saying block count 2497791, block size 4096.  that's about 10GB 
- on a partition around 250MB long
<cjwatson> sbeattie: currently trying to work out what I would need, and if I 
can reproduce it locally instead
<sbeattie> cjwatson: well, tune2fs isn't lying; I just tried manually mounting 
the partition and the kernel wouldn't mount it, saying the same thing (the 
block count exceeds the size of the device)
<cjwatson> oh!
<cjwatson> so the fs there is bogus?  do you know why?
<cjwatson> if it's genuinely bogus, I can certainly make d-i safe against that
<cjwatson> I just didn't want to do so when the effect would be hiding some 
other problem
<sbeattie> cjwatson: I don't know why it's bogus.
<cjwatson> would you agree that it would be best to just guard against this, 
and otherwise write the underlying problem off as probably transient until 
reproduced?
<cjwatson> or is the bogus fs reproducible by some sequence of installation 
steps?
<sbeattie> cjwatson: writing it off as a transient is fine by me; I don't 
recall how I got it into this state.
<cjwatson> so then I'll just error out if the size reported by ntfsresize or 
tune2fs is outside [minsize, cursize] as per the partition constraints
<cjwatson> which would result in that partition just not being resizable, which 
I think is the correct response here

-- 
d-i partman reports negative %/size on guided resize where not enough space is 
available
https://bugs.launchpad.net/bugs/568021
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