[SCSI] lpfc 8.3.44: Fixed IO hang when in msi mode.
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index b2ede05..0b08188 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -4782,6 +4782,24 @@
&lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB);
if (err) {
atomic_dec(&ndlp->cmd_pending);
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
+ "3376 FCP could not issue IOCB err %x"
+ "FCP cmd x%x <%d/%d> "
+ "sid: x%x did: x%x oxid: x%x "
+ "Data: x%x x%x x%x x%x\n",
+ err, cmnd->cmnd[0],
+ cmnd->device ? cmnd->device->id : 0xffff,
+ cmnd->device ? cmnd->device->lun : 0xffff,
+ vport->fc_myDID, ndlp->nlp_DID,
+ phba->sli_rev == LPFC_SLI_REV4 ?
+ lpfc_cmd->cur_iocbq.sli4_xritag : 0xffff,
+ lpfc_cmd->cur_iocbq.iocb.ulpContext,
+ lpfc_cmd->cur_iocbq.iocb.ulpIoTag,
+ lpfc_cmd->cur_iocbq.iocb.ulpTimeout,
+ (uint32_t)
+ (cmnd->request->timeout / 1000));
+
+
goto out_host_busy_free_buf;
}
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 8f580fd..838e5b9 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -8032,7 +8032,8 @@
struct lpfc_vector_map_info *cpup;
int chann, cpu;
- if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU) {
+ if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU
+ && phba->cfg_fcp_io_channel > 1) {
cpu = smp_processor_id();
if (cpu < phba->sli4_hba.num_present_cpu) {
cpup = phba->sli4_hba.cpu_map;