Date: Thu, 16 Jul 2009 13:49:38 +0000 From: stopeme <stopeme@gmail.com> To: Karl Pielorz <kpielorz_lst@tdx.co.uk> Cc: freebsd-questions@freebsd.org Subject: Re: Hanging when trying to 'rm' files off a read-only NFS export? [7.2-R] Message-ID: <4A5F2FF2.7020600@gmail.com> In-Reply-To: <30202D4CE92AA65697481B1E@WorkQuad64> References: <30202D4CE92AA65697481B1E@WorkQuad64>
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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 > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" > 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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