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The vmscan patch doesn't seem to help in the 'make -j' testcase. Here's time of a couple runs: 2.4.17 vanilla real 32m2.097s user 9m51.800s sys 3m47.700s real 19m45.696s user 9m55.820s sys 2m32.170s 2.4.17 + vmscan patch gave up waiting after 2 hours...never finished. Unfortunately, box was not responsive enough to gather any useful information. Perhaps not swapping enough??? -Phil -----Original Message----- From: Stephan von Krawczynski [mailto:skraw@ithnet.com] Sent: Monday, January 07, 2002 6:24 AM To: Phil Oester Cc: nknight@pocketinet.com; linux-kernel@vger.kernel.org Subject: Re: 1gb RAM + 1gb SWAP + make -j bzImage = OOM On Sun, 6 Jan 2002 22:22:16 -0800 "Phil Oester" <kernel@theoesters.com> wrote: > I've rerun this test a number of times, and cannot reliably reproduce > the OOM - though it still does OOM occasionally. It never OOM's right > after a bootup - usually the greatest chance of OOM is after 2 or 3 > consecutive runs without a reboot. Once it even froze the box and > required a powercycle. > > I'm surprised you cannot OOM with 1gb RAM/256MB swap, as sometimes I'm > over 900MB in swap - did you try consecutive runs, or just once and then > reboot between each run? I tried just about everything I could think of and it never went in OOM. Even the first test I did were with several days uptime - meaning far away from "cleaning" reboot. I hate reboot :-) > [...] > Haven't yet tried Martin's patch - though since I can't reliably produce > the OOM, testing it wouldn't help much. Well, take the other side: if you do not manage to OOM afterwards, even at the tenth consecutive try, there is probably something about the patch ... Regards, Stephan - 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/ | |||||||||
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