Date: Sat, 27 Dec 2008 13:03:54 +0200 From: Danny Braniss <danny@cs.huji.ac.il> To: "Lin Jui-Nan Eric" <ericlin@tamama.org> Cc: stable@freebsd.org, Rong-en Fan <grafan@gmail.com> Subject: Re: amd(8) cores dump when load high Message-ID: <E1LGWxW-000Kuc-AS@kabab.cs.huji.ac.il> In-Reply-To: <47713ee10812270105o5866aa27u9998539dc127e549@mail.gmail.com> References: <47713ee10812220844r7889d286l3a98f294d780ccc0@mail.gmail.com> <6eb82e0812260202m1d8816c5mc7b0991514f83853@mail.gmail.com> <47713ee10812261117o6f772843o53ec9542bc773141@mail.gmail.com> <E1LGUt5-000Jpj-2L@kabab.cs.huji.ac.il> <47713ee10812270105o5866aa27u9998539dc127e549@mail.gmail.com>
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> No, we do not running amd with -S. > > # ps auxww | grep amd > root 706 0.0 0.1 7660 5416 ?? Ss Wed05PM 4:48.12 > /usr/sbin/amd -p -k amd64 -x all /net amd.map > well, I'm running 7.1-PRERELEASE, what does the amd logs show? Dec 27 10:37:01 sf-02 amd[856]: AM-UTILS VERSION INFORMATION: Dec 27 10:37:01 sf-02 amd[856]: Copyright (c) 1997-2006 Erez Zadok Dec 27 10:37:01 sf-02 amd[856]: Copyright (c) 1990 Jan-Simon Pendry Dec 27 10:37:01 sf-02 amd[856]: Copyright (c) 1990 Imperial College of Science, Technology & Medicine Dec 27 10:37:01 sf-02 amd[856]: Copyright (c) 1990 The Regents of the University of California. Dec 27 10:37:01 sf-02 amd[856]: am-utils version 6.1.5 (build 1). Dec 27 10:37:01 sf-02 amd[856]: Report bugs to https://bugzilla.am-utils.org/ or am-utils@am-utils.org. Dec 27 10:37:01 sf-02 amd[856]: Configured by danny@sunfire on date Sun Jun 29 16:59:06 IDT 2008. Dec 27 10:37:01 sf-02 amd[856]: Built by danny@sunfire on date Sun Jun 29 17:02:07 IDT 2008. Dec 27 10:37:01 sf-02 amd[856]: cpu=x86_64 (little-endian), arch=amd64, karch=amd64. Dec 27 10:37:01 sf-02 amd[856]: full_os=freebsd7.0, os=freebsd7, osver=7.0, vendor=unknown, distro=none. Dec 27 10:37:01 sf-02 amd[856]: domain=unknown.domain, host=sf-02, hostd=sf-02.unknown.domain. Dec 27 10:37:01 sf-02 amd[856]: Map support for: root, passwd, hesiod, union, nis, ndbm, file, exec, error. Dec 27 10:37:01 sf-02 amd[856]: AMFS: nfs, link, nfsx, nfsl, host, linkx, program, union, ufs, cdfs, Dec 27 10:37:01 sf-02 amd[856]: pcfs, auto, direct, toplvl, error, inherit. Dec 27 10:37:01 sf-02 amd[856]: FS: cd9660, nfs, nfs3, nullfs, msdosfs, ufs, unionfs. Dec 27 10:37:01 sf-02 amd[856]: Network: wire="132.65.16.0" (netnumber=132.65.16). Dec 27 10:37:01 sf-02 amd[856]: My ip addr is 127.0.0.1 Dec 27 10:37:01 sf-02 amd[857]: released controlling tty using setsid() Dec 27 10:37:01 sf-02 amd[857]: Locked process pages in memory ****************************** > > On Sat, Dec 27, 2008 at 4:51 PM, Danny Braniss <danny@cs.huji.ac.il> wrote: > >> Yes, we found that it crashes when swap is used. > > > > on an amd64 architecture, amd could not plock it's pages in memory, and would, > > under memory preasure be swapped out, and break. > > I just run some tests under 7.1-PRERELEASE, and > > - it seems that plock is working. > > - amd is not being swapped out. > > are you running with amd -S ? > > danny > > > >> > >> > >> On Fri, Dec 26, 2008 at 6:02 PM, Rong-en Fan <grafan@gmail.com> wrote: > >> > On Tue, Dec 23, 2008 at 12:44 AM, Lin Jui-Nan Eric <ericlin@tamama.org> wrote: > >> >> Dear listers, > >> >> > >> >> We currently found that amd frequently cores dump while loading is > >> >> high (about 4~5) after we upgrade world & kernel from 7.0-RELEASE to > >> >> 7.1-PRERELEASE. > >> >> > >> >> I have read -stable and svn log of 7-STABLE, but can not found a > >> >> report or a solution. Did anyone have the same issue? Thank you very > >> >> much. > >> >> > >> > > >> > According to my previous experience, amd 6.1.5 crashes > >> > under low memory situations. Not necessary high load. > >> > > >> > Regards, > >> > Rong-En Fan > >> > > >> _______________________________________________ > >> freebsd-stable@freebsd.org mailing list > >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable > >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > >> > > > > > >
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