From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753501AbaA0JnR (ORCPT ); Mon, 27 Jan 2014 04:43:17 -0500 Received: from imp02.mtu.ru ([62.5.255.19]:42952 "EHLO imp02.mtu.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751098AbaA0JnP (ORCPT ); Mon, 27 Jan 2014 04:43:15 -0500 X-Spam-Flag: NO Message-ID: <52E62A05.7080802@pavlinux.ru> Date: Mon, 27 Jan 2014 13:42:29 +0400 From: Pavel Vasilyev Reply-To: pavel@pavlinux.ru Organization: Pavlinux. Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Sebastian Andrzej Siewior CC: linux-rt-users , LKML , Thomas Gleixner , rostedt@goodmis.org, John Kacur Subject: Re: [ANNOUNCE] 3.12.8-rt11 References: <20140125134519.GA9845@linutronix.de> <52E57D42.60206@pavlinux.ru> <52E61C52.6070104@linutronix.de> In-Reply-To: <52E61C52.6070104@linutronix.de> X-Enigmail-Version: 1.6 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="2eNboSgqvcQt5Pw8pNkF8CvIXS2XkbI0L" X-DCC-STREAM-Metrics: ss27-so02.mtu.ru 10001; Body=6 Fuz1=6 Fuz2=6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --2eNboSgqvcQt5Pw8pNkF8CvIXS2XkbI0L Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable 27.01.2014 12:44, Sebastian Andrzej Siewior =D0=BF=D0=B8=D1=88=D0=B5=D1=82= : > On 01/26/2014 10:25 PM, Pavel Vasilyev wrote: >> 25.01.2014 17:45, Sebastian Andrzej Siewior =D0=BF=D0=B8=D1=88=D0=B5=D1= =82: >>> Dear RT folks! >> >> >> Gentlemen, let's have a month of stress testing! Divide tasks >> testing subsystem: USB, NET, MM, ACPI, AUDIO, VIDEO By CPUs: >> ARM/PPC/X86/X86_64... >> >> Purely on observations noted that in September 2013, the quality >> and stability of the code has deteriorated dramatically. >=20 > By September 2k13, do you mean a specific v3.10-RT release? >=20 Any after 3.2.x-rt Maybe I'm doing something wrong, but: 1) All kernels (3.2, 3.8, 3.12, 3.13,...) are working normally without pa= tches; 2) 3.2 works fine in CONFIG_PREEMPT_RT_BASE or CONFIG_PREEMPT_RT_FULL mod= es; 3) 3.10 not works at all, even without -RT patches; 4) 3.12 work only as CONFIG_PREEMPT_RT_BASE or CONFIG_PREEMPT_RT_FULL in uniprocessor mode (maxcpus=3D0, nosmp). Newer patches (Oct.-Dec.) did no= t work, even in RT_BASE mode. Varia hardware: One Opteron 285, 2-cpus (4 cores). Six Intel Atoms device= s kernels compiled as x86_32. I have my patches, but I tested both with them and without them. --- Behold! 3.12.8-rt11, RT_FULL mode, kernel cmdline: init=3D/bin/bash 1. bash: cannot set terminal process group (-1): Inappropriate ioctl for dev= ice bash: no job control in this shell 2. in single mode: After 2 minutes timeout: see screenshot http://i59.fastpic.ru/big/2014/0127/bc/0f9e04536181286f820ecaae5a8481bc.j= pg 3. command killall -15 freezed system! Kernel compiled with debug information starts to work normally, but of co= urse slower. :D --=20 Pavel. --2eNboSgqvcQt5Pw8pNkF8CvIXS2XkbI0L Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIcBAEBCgAGBQJS5ioFAAoJEPtok08Dny2hpr4P+gJy9v+s4W0M8fjVJKcb/mwH SwR4gbiIMRSLtCWneO+BCSQ+Jcwa2N7N5TM3dVFJovOAZIW9HsbuIWGJWJKv1nvc CTu1kKPy27YwrCSZJBEHqeX4yxnuzrgInbrapHm3S0ssG/RZwHbdJvJ74TkYnA/0 VXJYowyalpbrb1HIH84UUcuGhREhtSCAKLf0Yg3IZhO3RFESvOHXUxJYJkWl13c6 o1NLkQh8cM4tuQG8qtdu16tXzWgH2Xfi4EsoEfB7DsYodQGwMC95SdMrSj48NUd6 7uJ85EVGoOaAs8DMznpGdXkkYC9CJKXwmlIbhpxn9q2oHXKuAjy312J7ulODWbTw BPRpojT38il+z186sXJDbbPTC2Hc4j5HAxh2pSnrbu1Bx3gOWJAf4eXwhoVMgMUK S5kZ5AxIsBrk3iVZltEWJ4g/ZYIwMY2hh8oJN7zzBiX3ewFV2UpIcCfMqiphjZJC 2ePd+q49ZhnqjpIHZA84BthBN+fJxBeqal4Ys6f5BI5yoY/MvrCTan5FM1UpN3bn OHASDTwHe/pnsgEgEev97HSpSZNdcK108lrr/dihybjdpQYzZuKE/Q20osGOlBsG xiVR6UeqYuYS1vNVgUjehYwPl1X3QTMW3YQcedOqAJyaovUUBHdbYIvNEN/qGTm1 pYzdUuEDdxndr76Cp0Zu =aCC3 -----END PGP SIGNATURE----- --2eNboSgqvcQt5Pw8pNkF8CvIXS2XkbI0L--