From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dario Faggioli Subject: Re: [xen-unstable test] 9955: regressions - FAIL Date: Tue, 22 Nov 2011 11:14:51 +0100 Message-ID: <1321956891.4878.4.camel@Abyss> References: <4ECB67CF0200007800062465@nat28.tlf.novell.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============3689681052065571108==" Return-path: In-Reply-To: <4ECB67CF0200007800062465@nat28.tlf.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jan Beulich Cc: Juergen Gross , Keir Fraser , Ian Jackson , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org --===============3689681052065571108== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-EmhykqptGCO/D5qLClSg" --=-EmhykqptGCO/D5qLClSg Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2011-11-22 at 08:13 +0000, Jan Beulich wrote: > I don't think so - the sedf thing (with varying sub-tests iirc) has been > (inconsistently) failing for quite a long while. >=20 Indeed, and I'm starting looking into this to see if we can figure out what's causing these tests to fail every now and then. > Further, here this test wasn't even run because xen-boot (below) > failed. And no matter how many times I looked at the respective > logs, I wasn't able to spot what it really is that fails here. I can only > assume that Dom0 is hung, but my sedf knowledge doesn't go far > enough to tell that for sure from the dumped data. >=20 Yes, Dom0 hangs rock solid, and hung task detection fires if it is compiled into Linux, otherwise, I see RCU periodically reporting stall on some CPU in the system. I'm quite in an interesting situation for debugging this, since it fails _reliably_ on my 12 cores testbox... The only thing I'm missing is a serial console cable, but I'm trying to get around this! :-P I'll dig this in the next days and let the list know. Regards, Dario --=20 <> (Raistlin Majere) ---------------------------------------------------------------------- Dario Faggioli, http://retis.sssup.it/people/faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) PhD Candidate, ReTiS Lab, Scuola Superiore Sant'Anna, Pisa (Italy) --=20 <> (Raistlin Majere) ---------------------------------------------------------------------- Dario Faggioli, http://retis.sssup.it/people/faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) PhD Candidate, ReTiS Lab, Scuola Superiore Sant'Anna, Pisa (Italy) --=-EmhykqptGCO/D5qLClSg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEABECAAYFAk7LdhsACgkQk4XaBE3IOsSt3QCgjy0kqjEW5qudKLJdpj+6RbZo fBIAn0Zoc7CiFstIkI3wC0HyQ4/68/4F =RFuQ -----END PGP SIGNATURE----- --=-EmhykqptGCO/D5qLClSg-- --===============3689681052065571108== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel --===============3689681052065571108==--