linux-kernel - Re: [PATCH 1/1] scsi: storvsc: Handle SRB status value 0x30

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Message-ID: <yq1y1jmdyyd.fsf@ca-mkp.ca.oracle.com>
Date:   Tue, 11 Jul 2023 15:34:53 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Michael Kelley <mikelley@...rosoft.com>
Cc:     kys@...rosoft.com, martin.petersen@...cle.com,
        longli@...rosoft.com, wei.liu@...nel.org, decui@...rosoft.com,
        jejb@...ux.ibm.com, linux-hyperv@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH 1/1] scsi: storvsc: Handle SRB status value 0x30


Michael,

> In response to a disk I/O request, Hyper-V has been observed to return
> SRB status value 0x30. This indicates the request was not processed by
> Hyper-V because low memory conditions on the host caused an internal
> error. The 0x30 status is not recognized by storvsc, so the I/O
> operation is not flagged as an error. The request is treated as if it
> completed normally but with zero data transferred, causing a flood of
> retries.

Applied to 6.5/scsi-fixes, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering