From: Kashyap, Desai Date: Fri, 7 Aug 2009 14:06:43 +0000 (+0530) Subject: SCSI: mpt2sas: Excessive log info causes sas iounit page time out X-Git-Tag: v2.6.30.6~32 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a58c05338b9173b821d6d47b564e02431df4eb54;p=thirdparty%2Fkernel%2Fstable.git SCSI: mpt2sas: Excessive log info causes sas iounit page time out commit be9e8cd75ce8d94ae4aab721fdcc337fa78a9090 upstream. 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: James Bottomley Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index f3da592f7bccc..ed9965e4b96be 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 02a96bd8e3b87..e9dc639c23d06 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -2560,6 +2560,10 @@ _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: