Re: File system problems

[Samuel Thibault]

Hello,

Split the issues apart since they are really not related at all.

Bruno Haible via Bug reports for the GNU Hurd, le mar. 14 janv. 2025 00:38:45 
+0100, a ecrit:
> ** File system problems
> 
> After copying a gnulib testdir (created under Linux through a
> command
>   $ ./gnulib-tool --create-testdir --dir=../testdir-all --with-c++-tests 
> --without-privileged-tests --single-configure `./all-modules`
> ) to Hurd and building it
>   $ ./configure
>   make
>   make check
> 
> when I run 'sync' it hangs. I can interrupt the 'sync' command via
> Ctrl-C and restart it, but it then still hangs. I ended up rebooted
> anyway, and after reboot an 'fsck' was required. This 'fsck' found
> between 17000 and 170000 empty directories (depending on how much time
> I had let 'sync' run). The data (built files under testdir-all) was
> good, though.

disk writeback is a beast, yes. If tests are creating lots of data on
the disk that's stressing the VM and possibly it even gets to OOM, which
is a hard thing to recover from.

Samuel