From: Mike Hernandez <michael.hernandez@xxxxxxxxxx>
Fix issue where CPU lockup is seen when ql4xdontresethba is set and
driver is "stuck" in NEED_RESET state handler.
JIRA Key: UPSISCSI-120
Signed-off-by: Mike Hernandez <michael.hernandez@xxxxxxxxxx>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>
---
drivers/scsi/qla4xxx/ql4_nx.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index f484ff4..7fc29c6 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -1836,6 +1836,10 @@ int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha)
* reset handler */
dev_init_timeout = jiffies +
(ha->nx_dev_init_timeout * HZ);
+ } else {
+ qla4_8xxx_idc_unlock(ha);
+ msleep(1000);
+ qla4_8xxx_idc_lock(ha);
}
qla4_8xxx_idc_unlock(ha);
break;
--
1.7.8.rc2.3.g0911
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