Author: sephe Date: Wed Jun 21 06:44:56 2017 New Revision: 320184 URL: https://svnweb.freebsd.org/changeset/base/320184
Log: hyperv/storvsc: Reduce log verbosity On some windows hosts TEST_UNIT_READY command will return SRB_STATUS_ERROR and sense data "NOT READY asc:3a,1 (Medium not present - tray closed)", this occurs periodically, and not hurt anything else. So, we prefer to ignore this kind of errors. PR: 219973 Submitted by: Hongjiang Zhang <hongzhan microsoft com> MFC after: 3 days Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D11271 Modified: head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c Modified: head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c Wed Jun 21 06:34:06 2017 (r320183) +++ head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c Wed Jun 21 06:44:56 2017 (r320184) @@ -2095,6 +2095,7 @@ storvsc_io_done(struct hv_storvsc_request *reqp) struct vmscsi_req *vm_srb = &reqp->vstor_packet.u.vm_srb; bus_dma_segment_t *ori_sglist = NULL; int ori_sg_count = 0; + const struct scsi_generic *cmd; /* destroy bounce buffer if it is used */ if (reqp->bounce_sgl_count) { @@ -2145,16 +2146,14 @@ storvsc_io_done(struct hv_storvsc_request *reqp) callout_drain(&reqp->callout); } #endif + cmd = (const struct scsi_generic *) + ((ccb->ccb_h.flags & CAM_CDB_POINTER) ? + csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes); ccb->ccb_h.status &= ~CAM_SIM_QUEUED; ccb->ccb_h.status &= ~CAM_STATUS_MASK; int srb_status = SRB_STATUS(vm_srb->srb_status); if (vm_srb->scsi_status == SCSI_STATUS_OK) { - const struct scsi_generic *cmd; - - cmd = (const struct scsi_generic *) - ((ccb->ccb_h.flags & CAM_CDB_POINTER) ? - csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes); if (srb_status != SRB_STATUS_SUCCESS) { /* * If there are errors, for example, invalid LUN, @@ -2252,11 +2251,23 @@ storvsc_io_done(struct hv_storvsc_request *reqp) } } } else { - mtx_lock(&sc->hs_lock); - xpt_print(ccb->ccb_h.path, - "storvsc scsi_status = %d\n", - vm_srb->scsi_status); - mtx_unlock(&sc->hs_lock); + /** + * On Some Windows hosts TEST_UNIT_READY command can return + * SRB_STATUS_ERROR and sense data, for example, asc=0x3a,1 + * "(Medium not present - tray closed)". This error can be + * ignored since it will be sent to host periodically. + */ + boolean_t unit_not_ready = \ + vm_srb->scsi_status == SCSI_STATUS_CHECK_COND && + cmd->opcode == TEST_UNIT_READY && + srb_status == SRB_STATUS_ERROR; + if (!unit_not_ready && bootverbose) { + mtx_lock(&sc->hs_lock); + xpt_print(ccb->ccb_h.path, + "storvsc scsi_status = %d, srb_status = %d\n", + vm_srb->scsi_status, srb_status); + mtx_unlock(&sc->hs_lock); + } ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; } _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
