linux-kernel - Re: [regression] Bug 217114 - Tiger Lake SATA Controller not operating correctly [bisected]

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Date:   Fri, 3 Mar 2023 11:38:16 +0100
From:   Simon Gaiser <simon@...isiblethingslab.com>
To:     Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Linux regressions mailing list <regressions@...ts.linux.dev>
Cc:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        emmi@...ixis.net, schwagsucks@...il.com,
        "open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)" 
        <linux-ide@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [regression] Bug 217114 - Tiger Lake SATA Controller not
 operating correctly [bisected]

Damien Le Moal:
> On 3/3/23 16:10, Linux regression tracking (Thorsten Leemhuis) wrote:
>> Hi, this is your Linux kernel regression tracker.
>>
>> I noticed a regression report in bugzilla.kernel.org that apparently
>> affects 6.2 and later as well as 6.1.13 and later, as it was already
>> backported there.
>>
>> As many (most?) kernel developer don't keep an eye on bugzilla, I
>> decided to forward the report by mail. Quoting from
>> https://bugzilla.kernel.org/show_bug.cgi?id=217114 :
>>
>>>  emmi@...ixis.net 2023-03-02 11:25:00 UTC
>>>
>>> As per kernel problem found in https://bbs.archlinux.org/viewtopic.php?id=283906 ,
>>>
>>> Commit 104ff59af73aba524e57ae0fef70121643ff270e
>>
>> [FWIW: That's "ata: ahci: Add Tiger Lake UP{3,4} AHCI controller" from
>> Simon Gaiser]
> 
> I sent a revert with cc: stable.
> 
> Simon,
> 
> Let's work on finding a better solution for enabling LPM for that
> adapter without causing regressions. I will need your help for testing
> as I do not have this hardware.

Sure, let me know what I can do to help.

Simon


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