Messages in this thread | | | From | Con Kolivas <> | Subject | Re: [PATCH] O17int | Date | Wed, 20 Aug 2003 11:23:29 +1000 |
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On Wed, 20 Aug 2003 02:39, Måns Rullgård wrote: > Con Kolivas <kernel@kolivas.org> writes: > > Food for the starving masses. > > > > This patch prevents any single task from being able to starve the > > runqueue that it's on. This minimises the impact a poorly behaved > > application or a malicious one has on the rest of the system. If an > > I have to disagree. Open a file of a few hundred lines in XEmacs and > do a regexp search for "^[> ]*-*\n\\([> ]*.*\n\\)*[> ]*foo". The > system will more or less freeze. It's a very nasty regexp, and it's > an error to try to use it, but it still shouldn't freeze the system.
Reasonably sure this is a variation on the starvation which O17 won't address. Please top/vmstat/profile this and I'll look into it. There is potential for starvation without using up full timeslices and this may be it.
Con
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