Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756231AbYK0Ksy (ORCPT ); Thu, 27 Nov 2008 05:48:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753833AbYK0Kdf (ORCPT ); Thu, 27 Nov 2008 05:33:35 -0500 Received: from mtagate4.de.ibm.com ([195.212.29.153]:46077 "EHLO mtagate4.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753966AbYK0Kcd (ORCPT ); Thu, 27 Nov 2008 05:32:33 -0500 Message-Id: <20081127103144.336918316@de.ibm.com> References: <20081127103020.528516828@de.ibm.com> User-Agent: quilt/0.46-1 Date: Thu, 27 Nov 2008 11:31:19 +0100 From: Martin Schwidefsky To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: Heiko Carstens , Hendrik Brueckner , Martin Schwidefsky Subject: [patch 59/60] provide documentation for hvc_iucv printk & kernel parameter. Content-Disposition: inline; filename=174-kmsg-iucv-hvc.diff Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3248 Lines: 91 From: Hendrik Brueckner Signed-off-by: Hendrik Brueckner Signed-off-by: Martin Schwidefsky --- Documentation/kernel-parameters.txt | 3 ++ Documentation/kmsg/s390/hvc_iucv | 50 ++++++++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+) Index: quilt-2.6/Documentation/kernel-parameters.txt =================================================================== --- quilt-2.6.orig/Documentation/kernel-parameters.txt +++ quilt-2.6/Documentation/kernel-parameters.txt @@ -811,6 +811,9 @@ and is between 256 and 4096 characters. hlt [BUGS=ARM,SH] + hvc_iucv= [S390] Number of z/VM IUCV Hypervisor console (HVC) + back-ends. Valid parameters: 0..8 + i8042.debug [HW] Toggle i8042 debug mode i8042.direct [HW] Put keyboard port into non-translated mode i8042.dumbkbd [HW] Pretend that controller can only read data from Index: quilt-2.6/Documentation/kmsg/s390/hvc_iucv =================================================================== --- /dev/null +++ quilt-2.6/Documentation/kmsg/s390/hvc_iucv @@ -0,0 +1,50 @@ +/*? + * Text: "The z/VM IUCV Hypervisor console cannot be used without z/VM.\n" + * Severity: Warning + * Description: + * On Linux instances that run in environments other than the z/VM hypervisor, + * z/VM IUCV is not available and the z/VM IUCV Hypervisor console cannot be + * used. + * User action: + * If the system does not run on a z/VM guest virtual machine, + * ignore this message. + */ + +/*? + * Text: "Could not create new z/VM IUCV HVC backend rc=%d.\n" + * Severity: Error + * Parameter: + * @1: Return code of the operation that has failed. + * Description: + * The driver initialization has failed to allocate a new z/VM IUCV HVC + * back-end. A common cause might be that there are not sufficient memory + * available. + * User action: + * Enure that the z/VM guest virtual machine has sufficient memory. + */ + +/*? + * Text: "Could not register iucv handler (rc=%d).\n" + * Severity: Error + * Parameter: + * @1: Return code from the IUCV registration. + * Description: + * The driver initialization has failed to register its z/VM IUCV callbacks to + * handle z/VM IUCV connections, and sending/receiving of IUCV messages. + * User action: + * Typically there might be additional IUCV error messages at the Linux kernel + * startup. Check the system log files. + */ + +/*? + * Text: "Not enough memory for driver initialization (rs=%d).\n" + * Severity: Error + * Parameter: + * @1: Memory allocation has failed: 1 = kmem_cache; and 2 = mempool. + * Description: + * The z/VM IUCV Hypervisor console back-end initialization has faild, because + * of a general memory allocation failure. + * User action: + * Ensure that the z/VM guest virtual machine has sufficient memory. + * See the your Linux distributor manuals for minimum system requirements. + */ -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/