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Message-ID: <27638adc-44a3-45dc-2d15-6c08fbc28f85@oracle.com>
Date: Tue, 13 Jul 2021 20:14:38 -0500
From: John Donnelly <john.p.donnelly@...cle.com>
To: Don Brace <don.brace@...rochip.com>, hch@...radead.org,
martin.peterson@...cle.com, jejb@...ux.vnet.ibm.com,
linux-scsi@...r.kernel.org
Cc: Kevin.Barnett@...rochip.com, scott.teel@...rochip.com,
Justin.Lindley@...rochip.com, scott.benesh@...rochip.com,
gerry.morong@...rochip.com, mahesh.rajashekhara@...rochip.com,
mike.mcgowen@...rochip.com, murthy.bhat@...rochip.com,
balsundar.p@...rochip.com, joseph.szczypek@....com,
jeff@...onical.com, POSWALD@...e.com, mwilck@...e.com,
pmenzel@...gen.mpg.de, linux-kernel@...r.kernel.org
Subject: Re: [smartpqi updates V2 PATCH 5/9] smartpqi: add SCSI cmd info for
resets
On 7/13/21 4:02 PM, Don Brace wrote:
> From: Murthy Bhat <Murthy.Bhat@...rochip.com>
>
> Report on SCSI command that has triggered the reset.
> - Also add check for NULL SCSI commands resulting from
> issuing sg_reset when there is no outstanding commands.
>
> Example:
> sg_reset -d /dev/sgXY
> smartpqi 0000:39:00.0: resetting scsi 4:0:1:0 due to cmd 0x12
>
> Reviewed-by: Kevin Barnett <kevin.barnett@...rochip.com>
> Reviewed-by: Mike McGowen <mike.mcgowen@...rochip.com>
> Reviewed-by: Scott Benesh <scott.benesh@...rochip.com>
> Reviewed-by: Scott Teel <scott.teel@...rochip.com>
> Signed-off-by: Murthy Bhat <Murthy.Bhat@...rochip.com>
> Signed-off-by: Don Brace <don.brace@...rochip.com>
John Donnelly <john.p.donnelly@...cle.com>
> ---
> drivers/scsi/smartpqi/smartpqi_init.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
> index 29382b290243..ffc7ca221e27 100644
> --- a/drivers/scsi/smartpqi/smartpqi_init.c
> +++ b/drivers/scsi/smartpqi/smartpqi_init.c
> @@ -6033,8 +6033,10 @@ static int pqi_eh_device_reset_handler(struct scsi_cmnd *scmd)
> mutex_lock(&ctrl_info->lun_reset_mutex);
>
> dev_err(&ctrl_info->pci_dev->dev,
> - "resetting scsi %d:%d:%d:%d\n",
> - shost->host_no, device->bus, device->target, device->lun);
> + "resetting scsi %d:%d:%d:%d due to cmd 0x%02x\n",
> + shost->host_no,
> + device->bus, device->target, device->lun,
> + scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff);
>
> pqi_check_ctrl_health(ctrl_info);
> if (pqi_ctrl_offline(ctrl_info))
>
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