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Index: head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
===================================================================
--- head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
+++ head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
@@ -2278,7 +2278,11 @@
}
ccb->csio.scsi_status = (vm_srb->scsi_status & 0xFF);
- ccb->csio.resid = ccb->csio.dxfer_len - vm_srb->transfer_len;
+ if (srb_status == SRB_STATUS_SUCCESS ||
+ srb_status == SRB_STATUS_DATA_OVERRUN)
+ ccb->csio.resid = ccb->csio.dxfer_len - vm_srb->transfer_len;
+ else
+ ccb->csio.resid = ccb->csio.dxfer_len;
if (reqp->sense_info_len != 0) {
csio->sense_resid = csio->sense_len - reqp->sense_info_len;
Index: head/sys/dev/hyperv/storvsc/hv_vstorage.h
===================================================================
--- head/sys/dev/hyperv/storvsc/hv_vstorage.h
+++ head/sys/dev/hyperv/storvsc/hv_vstorage.h
@@ -245,7 +245,8 @@
#define SRB_STATUS_SUCCESS 0x01
#define SRB_STATUS_ABORTED 0x02
#define SRB_STATUS_ERROR 0x04
-#define SRB_STATUS_INVALID_LUN 0x20
+#define SRB_STATUS_DATA_OVERRUN 0x12
+#define SRB_STATUS_INVALID_LUN 0x20
/**
* SRB Status Masks (can be combined with above status codes)
*/

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