From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kashyap, Desai" Subject: [PATCH 5/9] mpt2sas: Excessive log info causes sas iounit page time out Date: Fri, 7 Aug 2009 19:36:43 +0530 Message-ID: <20090807140636.GF5807@lsi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from exprod7og112.obsmtp.com ([64.18.2.177]:34931 "EHLO exprod7og112.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757526AbZHGO2n (ORCPT ); Fri, 7 Aug 2009 10:28:43 -0400 Content-Disposition: inline Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: James.Bottomley@HansenPartnership.com, Eric.Moore@lsi.com, Sathya.Prakash@lsi.com, stable@kernel.org Inhibit 0x3117 loginfos - during cable pull, there are too many printks going to the syslog, this is have impact on how fast the interrupt routine can handle keeping up with command completions; this was the root cause to the config pages timeouts. --- Signed-off-by: Kashyap Desai Signed-off-by: Eric Moore --- diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index f3da592..ed9965e 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -440,6 +440,10 @@ _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) if (sas_loginfo.dw.bus_type != 3 /*SAS*/) return; + /* each nexus loss loginfo */ + if (log_info == 0x31170000) + return; + /* eat the loginfos associated with task aborts */ if (ioc->ignore_loginfos && (log_info == 30050000 || log_info == 0x31140000 || log_info == 0x31130000)) diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 22a9542..25c8d82 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -2767,6 +2767,10 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, char *desc_ioc_state = NULL; char *desc_scsi_status = NULL; char *desc_scsi_state = ioc->tmp_string; + u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); + + if (log_info == 0x31170000) + return; switch (ioc_status) { case MPI2_IOCSTATUS_SUCCESS: