On Sat, Jul 06, 2013 at 12:24:40PM +0100, Frank Leonhardt wrote: > Okay - I've been around here for some time but I haven't actually > changed anything. I'm hoping someone will sanity check the following > as a reasonable course of action, as I really don't want to mess > anything up. > > I'm reading: > > http://www.freebsd.org/doc/en/articles/problem-reports/index.html > > The problem is the man page for renice. Has anyone tried it as the > root user in a jail? You can increase the nice value of any process > within the jail you like, but you can't decrease it. In other words > it behaves as though you were a standard user except you can change > other users' processes too. > > This all seems reasonable as you don't want the root user in their > jailed machine pinching CPU time from everyone else. It's probably > documented somewhere, but I've only found an old discussion about > allowing jailed users to renice anything. It's certinaly not in the > first place I'd look - the man page. > > So, what I've done: > > I've searched for "renice" in > http://www.freebsd.org/cgi/query-pr-summary.cgi?query and not found > it listed. > > I've Googled for things like "renice in jail" > > I've checked out the behaviour out on running systems I have > available to me. > > I'm about to fill out this form here: > > http://www.freebsd.org/send-pr.html > > Should I do anything else first? >
Will you be including a patch? If so, perhaps sending the patch to this list for review might be a good first course of action. If not, then your plan looks good. :) Glen
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