From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sachin Sant Subject: Re: [-next April 8] eHEA driver failure on powerpc Date: Fri, 09 Apr 2010 23:18:18 +0530 Message-ID: <4BBF6862.3010600@in.ibm.com> References: <20100408155113.ef8df30c.sfr@canb.auug.org.au> <4BBDC447.3040901@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from e23smtp03.au.ibm.com ([202.81.31.145]:51001 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754856Ab0DIRsY (ORCPT ); Fri, 9 Apr 2010 13:48:24 -0400 In-Reply-To: <4BBDC447.3040901@in.ibm.com> Sender: linux-next-owner@vger.kernel.org List-ID: To: Linux/PPC Development Cc: linux-next@vger.kernel.org, netdev , HERING2@de.ibm.com, Anton Blanchard , Benjamin Herrenschmidt Sachin Sant wrote: > With today's next release, eHEA network interface on couple > of power6 boxes fails to initialize. > > # modprobe ehea > IBM eHEA ethernet device driver (Release EHEA_0102) > alloc irq_desc for 256 on node 0 > alloc kstat_irqs on node 0 > irq: irq 590080 on host null mapped to virtual irq 256 > ehea: Error in ehea_plpar_hcall_norets: opcode=26c > ret=fffffffffffffffc arg1=8000000003000000 arg2=0 > arg3=7000000000050400 arg4=fc9b0000 arg5=200 arg6=0 arg7=0 > ehea: Error in ehea_reg_mr_section: register_rpage_mr failed > ehea: Error in ehea_reg_kernel_mr: registering mr failed > ehea: Error in ehea_setup_ports: creating MR failed > ehea 23c00200.lhea: setup_ports failed > ehea: probe of 23c00200.lhea failed with error -5 I tracked this problem to the following commit. commit 7545ba6f82924d4523f8f8a2baf2e517a750265d powerpc/mm: Bump SECTION_SIZE_BITS from 16MB to 256MB If i revert this commit, the network interface is initialized properly. Verified this on two different power6 boxes. Thanks -Sachin -- --------------------------------- Sachin Sant IBM Linux Technology Center India Systems and Technology Labs Bangalore, India --------------------------------- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp05.au.ibm.com (e23smtp05.au.ibm.com [202.81.31.147]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e23smtp05.au.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 3CDAAB7CFA for ; Sat, 10 Apr 2010 03:48:23 +1000 (EST) Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [202.81.31.246]) by e23smtp05.au.ibm.com (8.14.3/8.13.1) with ESMTP id o39HidTm019000 for ; Sat, 10 Apr 2010 03:44:39 +1000 Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o39Hg1fl1126614 for ; Sat, 10 Apr 2010 03:42:01 +1000 Received: from d23av03.au.ibm.com (loopback [127.0.0.1]) by d23av03.au.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id o39HmMqu016197 for ; Sat, 10 Apr 2010 03:48:22 +1000 Message-ID: <4BBF6862.3010600@in.ibm.com> Date: Fri, 09 Apr 2010 23:18:18 +0530 From: Sachin Sant MIME-Version: 1.0 To: Linux/PPC Development Subject: Re: [-next April 8] eHEA driver failure on powerpc References: <20100408155113.ef8df30c.sfr@canb.auug.org.au> <4BBDC447.3040901@in.ibm.com> In-Reply-To: <4BBDC447.3040901@in.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: netdev , linux-next@vger.kernel.org, Anton Blanchard , HERING2@de.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sachin Sant wrote: > With today's next release, eHEA network interface on couple > of power6 boxes fails to initialize. > > # modprobe ehea > IBM eHEA ethernet device driver (Release EHEA_0102) > alloc irq_desc for 256 on node 0 > alloc kstat_irqs on node 0 > irq: irq 590080 on host null mapped to virtual irq 256 > ehea: Error in ehea_plpar_hcall_norets: opcode=26c > ret=fffffffffffffffc arg1=8000000003000000 arg2=0 > arg3=7000000000050400 arg4=fc9b0000 arg5=200 arg6=0 arg7=0 > ehea: Error in ehea_reg_mr_section: register_rpage_mr failed > ehea: Error in ehea_reg_kernel_mr: registering mr failed > ehea: Error in ehea_setup_ports: creating MR failed > ehea 23c00200.lhea: setup_ports failed > ehea: probe of 23c00200.lhea failed with error -5 I tracked this problem to the following commit. commit 7545ba6f82924d4523f8f8a2baf2e517a750265d powerpc/mm: Bump SECTION_SIZE_BITS from 16MB to 256MB If i revert this commit, the network interface is initialized properly. Verified this on two different power6 boxes. Thanks -Sachin -- --------------------------------- Sachin Sant IBM Linux Technology Center India Systems and Technology Labs Bangalore, India ---------------------------------