From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932072AbWDFMgW (ORCPT ); Thu, 6 Apr 2006 08:36:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751237AbWDFMgW (ORCPT ); Thu, 6 Apr 2006 08:36:22 -0400 Received: from ecfrec.frec.bull.fr ([129.183.4.8]:35472 "EHLO ecfrec.frec.bull.fr") by vger.kernel.org with ESMTP id S1751233AbWDFMgW convert rfc822-to-8bit (ORCPT ); Thu, 6 Apr 2006 08:36:22 -0400 Subject: Re: PREEMPT_RT : 2.6.16-rt12 and boot : BUG ? From: =?ISO-8859-1?Q?S=E9bastien_Dugu=E9?= To: "linux-kernel@vger.kernel.org" Cc: serge.noiraud@bull.net Date: Thu, 06 Apr 2006 14:40:02 +0200 Message-Id: <1144327202.3819.37.camel@frecb000686> Mime-Version: 1.0 X-Mailer: Evolution 2.4.2.1 X-MIMETrack: Itemize by SMTP Server on ECN002/FR/BULL(Release 5.0.12 |February 13, 2003) at 06/04/2006 14:38:32, Serialize by Router on ECN002/FR/BULL(Release 5.0.12 |February 13, 2003) at 06/04/2006 14:38:34, Serialize complete at 06/04/2006 14:38:34 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Serge, Serge Noiraud wrote: >Hi, > > I always have the same problem since 2.6.16. >A 2.6.16 kernel boot correctly. >The 2.6.16+RT patch doesn't. ( I tried all versions rt1-rt12 without success ) >The LSM module is also added ( patch ). > >I get symbol resolution error when I try to load my scsi modules in the initrd. > >Could not allocate 8 bytes percpu data >mptscsih: Unknown symbol scsi_remove_host Maybe you should try increasing PERCPU_ENOUGH_ROOM in /include/linux/percpu.h 128K may not be enough for your setup. I had it set to 192K before it was bumped from 64K to 128K in the rt patches. Now 128K is OK for me. Cheers, Sébastien. -- ----------------------------------------------------- Sébastien Dugué BULL/FREC:B1-247 phone: (+33) 476 29 77 70 Bullcom: 229-7770 mailto:sebastien.dugue@bull.net Linux POSIX AIO: http://www.bullopensource.org/posix http://sourceforge.net/projects/paiol -----------------------------------------------------