From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: linux-scsi@vger.kernel.org,
Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>,
suganath-prabu.subramani@broadcom.com
Subject: Re: [PATCH] mpt3sas: Fix system falling into readonly mode
Date: Thu, 18 Nov 2021 23:16:42 -0500 [thread overview]
Message-ID: <163729506338.21244.103615664339408235.b4-ty@oracle.com> (raw)
In-Reply-To: <20211117105058.3505-1-sreekanth.reddy@broadcom.com>
On Wed, 17 Nov 2021 16:20:58 +0530, Sreekanth Reddy wrote:
> While determining the SAS address of a drive, the driver checks whether
> the handle number is less than the HBA phys count or not.
> If the handle number is less than the HBA phy’s count then driver
> assumes that this handle belongs to HBA and hence it assigns the
> HBA SAS address.
> During IOC firmware downgrade operation, if the number of HBA phys got
> reduced and the OS drive’s device handle falls below start of the day
> HBA phys count then while determining the OS drive’s SAS address
> driver uses the HBA SAS address. This leads to a mismatch of drive’s
> SAS address and hence the driver unregisters the OS drive and the
> system falls into read only mode.
>
> [...]
Applied to 5.16/scsi-fixes, thanks!
[1/1] mpt3sas: Fix system falling into readonly mode
https://git.kernel.org/mkp/scsi/c/91202a01a2fb
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2021-11-19 4:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 10:50 [PATCH] mpt3sas: Fix system falling into readonly mode Sreekanth Reddy
2021-11-19 4:16 ` Martin K. Petersen [this message]
2022-03-27 8:14 Badalian Vyacheslav
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