linux-kernel - Re: PROBLEM: [drivers/ata] Read log page failed (boot error message)

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Message-ID: <6ecc0597-3b2b-d8df-1dd9-38a921c59d9a@opensource.wdc.com>
Date:   Mon, 29 Nov 2021 16:39:48 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Nikolay Kyx <knv418@...il.com>
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: PROBLEM: [drivers/ata] Read log page failed (boot error message)

On 2021/11/27 19:34, Nikolay Kyx wrote:
> On Tue, Nov 16, 2021 at 2:44 AM Damien Le Moal
> <damien.lemoal@...nsource.wdc.com> wrote:
>> Latest kernel will not even print this warning since not having support for the
>> IDENTIFY DEVICE log page with ATA-9 drives is expected. The patch fixing this
>> will go to stable too.
> While with 5.15.2 + patch there weren't errors from libata, with
> vanilla 5.15.5 (in which patch 'libata: core: add missing
> ata_identify_page_supported() calls'
> was included) there are 2 other (new because it wasn't the case with
> 5.15.4) error messages:
> sd 5:0:0:0: [sda] Asking for cache data failed
> sd 5:0:0:0: [sda] Assuming drive cache: write through
> With the old warning (twice):
> ata6.00: ATA Identify Device Log not supported
> To summarize errors:
> pre-5.15 kernels: no errors from libata.
> 5.15 - 5.15.4 (twice): Read log page 0x08 failed, Emask 0x1
> 5.15.5: Asking for cache data failed; Assuming drive cache: write through
> Same hardware, just upgraded kernel to 5.15.5.
> I still think that my HDD doesn't deserve error messages in dmesg.
> Errors from the storage subsystem can be scary for someone.
> 

Please see:

https://bugzilla.kernel.org/show_bug.cgi?id=215137

Greg already queued up patch c749301ebee82eb5e97dec14b6ab31a4aabe37a6 into 5.15
stable to fix this issue. 5.15.6 will be OK.

-- 
Damien Le Moal
Western Digital Research