Karl Pielorz wrote:
Hi,
I've got a 7.2-RELEASE box that has it's root file system mounted
read/only via NFS. It hangs when trying to shutdown, at the "Writing
entropy file:" point.
Having chased this down - it hangs *any* time you try to rm' a file
off of the filesystem.
e.g. If I do:
"
recovery# cd /
recovery# touch test
touch: test: Read-only file system
recovery# rm COPYRIGHT
nfs server 10.0.0.1:/usr2/boot/os/7.2-i386: not responding
nfs server 10.0.0.1:/usr2/boot/os/7.2-i386: not responding
nfs server 10.0.0.1:/usr2/boot/os/7.2-i386: not responding
"
That last error is just repeated for infinity at about 5-10 second
intervals.
Any suggestions?
The NFS server exports line being used is:
"
/usr2/boot/os -alldirs -maproot=root -ro -network 10.0.0.1 -mask
255.255.255.0
"
The reason for the shutdown hang is that '/etc/rc.d/random' rm's the
'/entropy' file if it exists as the system shuts down, and that rm
never returns (the error output is redirected so you never see the
errors) :(
-Karl
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grep entropy | /etc/defaults/rc.conf
entropy_file="/entropy" # Set to NO to disable caching entropy through
reboots.
# /var/db/entropy-file is preferred if / is not avail.
entropy_dir="/var/db/entropy" # Set to NO to disable caching entropy via cron.
entropy_save_sz="2048" # Size of the entropy cache files.
entropy_save_num="8" # Number of entropy cache files to save.
move entropy file to rw fs - like /var or somewhere else
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