On Thu, Jan 18, 2001 at 01:12:06PM -0800, Joey Hess wrote: > Jon Forsberg wrote: > > # dd bs=1M seek=300 count=0 of=bigfile > > That makes a file that consits of a single 300mb hole. (run du on it) > > > If I create the loopfile with "dd bs=1M count=300 if=/dev/zero of=bigfile" > > instead (which is the "normal" way to do it, I guess) everything works. > > > > So is this > > A. A known problem/limitation in the kernel (can't use loopfiles with > > holes(?)) > > I can't find any real documentation about loopback files and whether > they should support holes. However, the D state means the kernel is in > an inunteruptable sleep; presumably trying to read the hole.
Ok, but it shouldn't hang totaly in any case, right? --zzed
