Environment:

Solaris 10.

lsof version 4.77

root@solaris10:~# lsof more

COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME

sched 0 root cwd unknown file system type (zfs), v_op: 0x60074 068940

init 1 root cwd unknown file system type (zfs), v_op: 0x60074 068940

Solution:

Install the latest lsof version

wget ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/lsof_4.86.tar.bz2

gtar xf lsof_4.86.tar.bz2

cd lsof_4.86_src

./Configure solaris

or ./Configure solariscc

make

./lsof more