|
 |
3d7c23 |
From bc01bd437894fde056996a3dda1ea365b68ab942 Mon Sep 17 00:00:00 2001
|
|
|
3d7c23 |
From: Himanshu Madhani <hmadhani@redhat.com>
|
|
|
3d7c23 |
Date: Thu, 1 Aug 2019 15:56:14 -0400
|
|
|
3d7c23 |
Subject: [PATCH 114/124] [scsi] scsi: qla2xxx: Fix NVMe port discovery after a
|
|
|
3d7c23 |
short device port loss
|
|
|
3d7c23 |
|
|
|
3d7c23 |
Message-id: <20190801155618.12650-115-hmadhani@redhat.com>
|
|
|
3d7c23 |
Patchwork-id: 267874
|
|
|
3d7c23 |
O-Subject: [RHEL 7.8 e-stor PATCH 114/118] scsi: qla2xxx: Fix NVMe port discovery after a short device port loss
|
|
|
3d7c23 |
Bugzilla: 1729270
|
|
|
3d7c23 |
RH-Acked-by: Jarod Wilson <jarod@redhat.com>
|
|
|
3d7c23 |
RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
|
|
|
3d7c23 |
|
|
|
3d7c23 |
From: Arun Easi <aeasi@marvell.com>
|
|
|
3d7c23 |
|
|
|
3d7c23 |
Bugzilla 1729270
|
|
|
3d7c23 |
|
|
|
3d7c23 |
The following sequence of event leads to NVME port disappearing:
|
|
|
3d7c23 |
|
|
|
3d7c23 |
- device port shut
|
|
|
3d7c23 |
- nvme_fc_unregister_remoteport
|
|
|
3d7c23 |
- device port online
|
|
|
3d7c23 |
- remote port delete completes
|
|
|
3d7c23 |
- relogin is scheduled
|
|
|
3d7c23 |
- "post gidpn" message appears due to rscn generation # mismatch
|
|
|
3d7c23 |
|
|
|
3d7c23 |
In short, if a device comes back online sooner than an unregister
|
|
|
3d7c23 |
completion, a mismatch in rscn generation number occurs, which is not
|
|
|
3d7c23 |
handled correctly during device relogin. Fix this by starting with a redo
|
|
|
3d7c23 |
of GNL.
|
|
|
3d7c23 |
|
|
|
3d7c23 |
When ql2xextended_error_logging is enabled, the re-plugged device's
|
|
|
3d7c23 |
discovery stops with the following messages printed:
|
|
|
3d7c23 |
|
|
|
3d7c23 |
--8<--
|
|
|
3d7c23 |
qla2xxx [0000:41:00.0]-480d:3: Relogin scheduled.
|
|
|
3d7c23 |
qla2xxx [0000:41:00.0]-4800:3: DPC handler sleeping.
|
|
|
3d7c23 |
qla2xxx [0000:41:00.0]-2902:3: qla24xx_handle_relogin_event 21:00:00:24:ff:17:9e:91 DS 0 LS 7 P 0 del 2 cnfl
|
|
|
3d7c23 |
(null) rscn 1|2 login 1|2 fl 1
|
|
|
3d7c23 |
qla2xxx [0000:41:00.0]-28e9:3: qla24xx_handle_relogin_event 1666 21:00:00:24:ff:17:9e:91 post gidpn
|
|
|
3d7c23 |
qla2xxx [0000:41:00.0]-480e:3: Relogin end.
|
|
|
3d7c23 |
--8<--
|
|
|
3d7c23 |
|
|
|
3d7c23 |
Signed-off-by: Arun Easi <aeasi@marvell.com>
|
|
|
3d7c23 |
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
|
|
|
3d7c23 |
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
|
3d7c23 |
(cherry picked from commit 2a00c4ebbbfd88f0754acb96cf402f323357384e)
|
|
|
3d7c23 |
Signed-off-by: Himanshu Madhani <hmadhani@redhat.com>
|
|
|
3d7c23 |
Signed-off-by: Jan Stancek <jstancek@redhat.com>
|
|
|
3d7c23 |
---
|
|
|
3d7c23 |
drivers/scsi/qla2xxx/qla_init.c | 4 ++--
|
|
|
3d7c23 |
1 file changed, 2 insertions(+), 2 deletions(-)
|
|
|
3d7c23 |
|
|
|
3d7c23 |
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
|
|
|
3d7c23 |
index fc8e886ebb43..22e3dcd3ab62 100644
|
|
|
3d7c23 |
--- a/drivers/scsi/qla2xxx/qla_init.c
|
|
|
3d7c23 |
+++ b/drivers/scsi/qla2xxx/qla_init.c
|
|
|
3d7c23 |
@@ -1587,9 +1587,9 @@ void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
|
|
|
3d7c23 |
}
|
|
|
3d7c23 |
|
|
|
3d7c23 |
if (fcport->last_rscn_gen != fcport->rscn_gen) {
|
|
|
3d7c23 |
- ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
|
|
|
3d7c23 |
+ ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
|
|
|
3d7c23 |
__func__, __LINE__, fcport->port_name);
|
|
|
3d7c23 |
-
|
|
|
3d7c23 |
+ qla24xx_post_gnl_work(vha, fcport);
|
|
|
3d7c23 |
return;
|
|
|
3d7c23 |
}
|
|
|
3d7c23 |
|
|
|
3d7c23 |
--
|
|
|
3d7c23 |
2.13.6
|
|
|
3d7c23 |
|