From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <45DD9F8E.6070708@domain.hid> Date: Thu, 22 Feb 2007 14:50:06 +0100 From: Jan Kiszka MIME-Version: 1.0 Subject: Re: [Xenomai-help] fata: removing non-linked element... References: <45CC651C.6060402@domain.hid> <45CC68F3.1000003@domain.hid> <45D1C033.9010002@domain.hid> <45D1C61B.7030503@domain.hid> <1171376742.885.3.camel@domain.hid> <45D1CAFA.6050408@domain.hid> <1171385716.885.17.camel@domain.hid> <45D200C3.1030001@domain.hid> <1171393088.885.37.camel@domain.hid> <45D59F98.8020006@domain.hid> <45D5E493.4080405@domain.hid> <45D5F0AD.9010404@domain.hid> <1171649724.10479.12.camel@domain.hid> <45D5F71F.60509@domain.hid> <1171650868.10479.21.camel@domain.hid> <45D5FA33.3030503@domain.hid> <1171651639.10479.24.camel@domain.hid> <45DD9A4E.9070709@domain.hid> In-Reply-To: <45DD9A4E.9070709@domain.hid> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig083263B34963335B4EA3CCC7" Sender: jan.kiszka@domain.hid List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stephan Zimmermann Cc: xenomai@xenomai.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig083263B34963335B4EA3CCC7 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Stephan Zimmermann wrote: > Hm, updated my machines to 2.6.20 and 2.3.0 rev 2222. I still see ( les= s > frequent?) some backtraces occuring on my console, either during reboot= > or sometimes when running the testprogram and reloading the modules.(se= e > dmesg snippet below) The Celeron M still crashes often totally. >=20 > My main-application still freezes the SMP mashines if I have 'priority > coupling' enabled in kernel-config. Using trunk makes things even worse= =2E > The pc will crash during startup of my app, the testapp I sendt you > works, but i can not shutdown the pc afterwards, because it freezes > completely when terminating kdm. >=20 > Stephan >=20 >=20 >=20 > dmesg tells me the following (2.3.0.2222, 2.6.20, SMP): Latest I-pipe version? >=20 > --snip-- > Bad page state in process 'kswapd0' > page:c17f3060 flags:0x80010408 mapping:00000000 mapcount:0 count:0 > Trying to fix it up, but a reboot is needed Something is corrupting kernel memory. I did some remark on your test, let's get back to it: You are running the test at 100 kHz. That /may/ have side-effects like overload, or it might actually trigger some stack overrun. Did you enable the stack checks? Can you confirm the problem occurs also at slower tick rates? Jan --------------enig083263B34963335B4EA3CCC7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFF3Z+OniDOoMHTA+kRAsGOAJ40fdq22FirTtBfY+Zv0veQZN8zZQCfQzL9 +dfeSshMgipdEbcZU2Sw8t4= =oF2N -----END PGP SIGNATURE----- --------------enig083263B34963335B4EA3CCC7--