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

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Date:   Fri, 3 Mar 2023 18:48:52 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Linux regressions mailing list <regressions@...ts.linux.dev>,
        Simon Gaiser <simon@...isiblethingslab.com>
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]

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.

-- 
Damien Le Moal
Western Digital Research