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From:   marius@psihoexpert.ro
Message-ID: <235d8863945fb1da23c1e7b74831db38@psihoexpert.ro>
Subject: Re: Bug report for ahci-mvebu driver
To:     "Damien Le Moal" <damien.lemoal@opensource.wdc.com>
Cc:     linux-ide@vger.kernel.org
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February 8, 2023 1:40 AM, "Damien Le Moal" <damien.lemoal@opensource.wdc.=
com> wrote:

> On 2023/02/08 3:40, marius@psihoexpert.ro wrote:
>
>> [ 173.591831] ata2.15: Port Multiplier 1.2, 0x197b:0x0325 r193, 8 port=
s, feat 0xf/0x1f
>> [ 173.600838] ahci-mvebu f10a8000.sata: FBS is enabled
>> [ 173.605977] ata2.00: hard resetting link
>> [ 173.937078] ata2.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300=
)
>> [ 173.943563] ata2.01: hard resetting link
>> [ 174.277073] ata2.01: SATA link up 3.0 Gbps (SStatus 123 SControl 300=
)
>> [ 174.283555] ata2.02: hard resetting link
>> [ 174.617075] ata2.02: SATA link down (SStatus 0 SControl 300)
>> [ 174.622787] ata2.03: hard resetting link
>> [ 174.957074] ata2.03: SATA link down (SStatus 0 SControl 300)
>> [ 174.962785] ata2.04: hard resetting link
>> [ 175.297075] ata2.04: SATA link down (SStatus 0 SControl 300)
>> [ 175.302784] ata2.05: hard resetting link
>> [ 175.637072] ata2.05: SATA link down (SStatus 0 SControl 300)
>> [ 175.642781] ata2.06: hard resetting link
>> [ 175.977071] ata2.06: SATA link down (SStatus 0 SControl 300)
>> [ 175.982781] ata2.07: hard resetting link
>> [ 176.317063] ata2.07: SATA link down (SStatus 0 SControl 300)
>=20
>=20That is weird too. No point in repeatedly resetting if the link is up=
. So the
> patch really screwed up something for 5.15.

Nothing weird here. There is one reset for each logical port. Only two po=
rts are used.

I'm going to insert the debug messages in this kernel version too and tes=
t again.