Messages in this thread | | | From | (Måns Rullgård) | Subject | Re: [PATCH] O17int | Date | Wed, 20 Aug 2003 11:19:08 +0200 |
| |
Con Kolivas <kernel@kolivas.org> writes:
>> > 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.
Well, obviously.
I tried O17 minus 016.2-O16.3, and I don't get the problems, even with X at nice 0. Does that tell you anything.
> 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.
I'll do when I boot a kernel that has the problem.
-- Måns Rullgård mru@users.sf.net
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |