In article <24DC477814A8CA43BF3046AB76981A783E05AE@trimex.teles.de>,
Peter Jordan  <p.jordan@teles.de> wrote:
>Hello,
>
>we have a Problem in NetBSD 3.0 and ffs filesystem.
>
>If we fill as a root user a ffs file system until no space is available, we
>get corrupted files.
>
>	/home: write failed, file system is full
>
>	mount:
>	/dev/wd0g     970M     970M      -48M   105%    /home
>
>After that, the root user is able to create files like:
>
>	echo 'aaaaaaaaa' > ffs_test
>
>this file (ffs_test) is ok.
>
>After making this file bigger with:
>	
>	cat ffs_test >> ffs_test
>
>this file (ffs_test) is corrupt.
>
>This error occurs if we mounted this filesystem in softdep-mode and
>default-mode. With mounting this filesystem in synchronous mode, this error
>DOES NOT occur. Also by filling the filesystem as a non root user, who is
>not able to write more then 100 %, the error DOES NOT occur.
>
>On other systems we get even coredumps after panic and some other problems
>occured (e.g. binaries die not start anymore).
>
>Seems to be a bigger bug?!
>
>Best regards
>Peter

Please file a PR.

christos