linux-kernel - Re: [bug report] scsi: SATA devices missing after FLR is triggered during HBA suspended

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Message-ID: <Zna0qRpV3V6aVLZD@ryzen.lan>
Date: Sat, 22 Jun 2024 13:25:29 +0200
From: Niklas Cassel <cassel@...nel.org>
To: Yihang Li <liyihang9@...wei.com>
Cc: Damien Le Moal <dlemoal@...nel.org>,
	James.Bottomley@...senpartnership.com, martin.petersen@...cle.com,
	john.g.garry@...cle.com, yanaijie@...wei.com,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linuxarm@...wei.com, chenxiang66@...ilicon.com,
	prime.zeng@...wei.com
Subject: Re: [bug report] scsi: SATA devices missing after FLR is triggered
 during HBA suspended

Hello Yihang,

On Sat, Jun 22, 2024 at 11:31:29AM +0800, Yihang Li wrote:
> 
> The issue 1:
> a. Suspend all disks on controller B.
> b. Suspend controller B.
> c. Trigger the PCI FLR on controller B through sysfs.
> d. The SATA disks connected to controller B is disabled by libata layer.

While I'm currently not planning on debugging this myself,
I'm quite sure that you would facilitate debugging by actually
providing the exact commands used in steps a-d.


Kind regards,
Niklas