Some Hyper-V hosts are known for ignoring SPC-2/3/4 requirement
for 'INQUIRY data (see table ...) shall contain at least 36 bytes'. As a
result we get tons on 'scsi 0:7:1:1: scsi scan: INQUIRY result too short
(5), using 36' messages on console. As Hyper-V is also known for its
serial port being extremely slow multi-VCPU guests we get CPU blocked
putting these (useless) messages on console (e.g. happens when we add
multiple disks). Move them to debug level.
Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
drivers/scsi/scsi_scan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index f9f3f82..cb5c50a 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -701,7 +701,7 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,
* strings.
*/
if (sdev->inquiry_len < 36) {
- sdev_printk(KERN_INFO, sdev,
+ sdev_printk(KERN_DEBUG, sdev,
"scsi scan: INQUIRY result too short (%d),"
" using 36\n", sdev->inquiry_len);
sdev->inquiry_len = 36;
--
2.4.3
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