Re: ffs_newvnode: inode has non zero blocks

[Andreas Gustafsson <gson%gson.org@localhost>]

Earlier, I wrote:
> Also, I have now narrowed down the appearance of the problem on the
> testbed to the following commit:
> 
>   2016.10.30.15.01.46 christos src/sys/ufs/ffs/ffs_alloc.c 1.154
> 
> The mystery remains because the commit message says there should be no
> functional change, and I also did a quick review of the diff and did
> not spot anything that could be a cause of the panic.

I have now also run a bisection of this on my own testbed, and it
identified a different commits than the TNF testbed did:

  2016.10.28.20.38.12 jdolecek src/sys/kern/vfs_wapbl.c 1.85
  2016.10.28.20.38.12 jdolecek src/sys/sys/wapbl.h 1.19
  2016.10.28.20.38.12 jdolecek src/sys/ufs/ffs/ffs_alloc.c 1.153
  2016.10.28.20.38.12 jdolecek src/sys/ufs/ffs/ffs_inode.c 1.118
  2016.10.28.20.38.12 jdolecek src/sys/ufs/ffs/ffs_snapshot.c 1.143
  2016.10.28.20.38.12 jdolecek src/sys/ufs/ufs/ufs_extern.h 1.83
  2016.10.28.20.38.12 jdolecek src/sys/ufs/ufs/ufs_inode.c 1.97
  2016.10.28.20.38.12 jdolecek src/sys/ufs/ufs/ufs_rename.c 1.13
  2016.10.28.20.38.12 jdolecek src/sys/ufs/ufs/ufs_vnops.c 1.233
  2016.10.28.20.38.12 jdolecek src/sys/ufs/ufs/ufs_wapbl.h 1.12

More data at:

  http://releng.netbsd.org/b5reports/sparc/commits-2016.10.html#2016.10.30.15.01.46
  http://www.gson.org/netbsd/bugs/build/sparc/commits-2016.10.html#2016.10.28.20.38.12

-- 
Andreas Gustafsson, gson%gson.org@localhost