diff options
| author | James Smart <james.smart@emulex.com> | 2013-12-18 05:29:01 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2014-03-15 21:18:54 +0400 |
| commit | 76f96b6dfddf7804b3d33ede60a0c63bae271361 (patch) | |
| tree | ca13862c0953cb9b5288458b722ee2d465f58776 /drivers | |
| parent | 4b4f30ccbb5de164df041daf94bfc8be0023cd92 (diff) | |
| download | linux-76f96b6dfddf7804b3d33ede60a0c63bae271361.tar.xz | |
[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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 18 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 3 |
2 files changed, 20 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index b2ede05a5f0a..0b08188598cd 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -4782,6 +4782,24 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) &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 8f580fda443f..838e5b991851 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -8032,7 +8032,8 @@ lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba) 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; |