linux-kernel - Re: [REGRESSION][BISECTED][STABLE] hdparm errors since 28ab9769117c

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <df43ed14-9762-4193-990a-daec1a320288@heusel.eu>
Date: Fri, 9 Aug 2024 20:42:23 +0200
From: Christian Heusel <christian@...sel.eu>
To: Damien Le Moal <dlemoal@...nel.org>
Cc: Niklas Cassel <cassel@...nel.org>, Igor Pylypiv <ipylypiv@...gle.com>, 
	linux-ide@...r.kernel.org, Hannes Reinecke <hare@...e.de>, regressions@...ts.linux.dev, 
	stable@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION][BISECTED][STABLE] hdparm errors since 28ab9769117c

On 24/08/09 08:34AM, Damien Le Moal wrote:
> On 2024/08/07 15:10, Niklas Cassel wrote:
> > On Wed, Aug 07, 2024 at 11:26:46AM -0700, Damien Le Moal wrote:
> >> On 2024/08/07 10:23, Christian Heusel wrote:
> >>> Hello Igor, hello Niklas,
> >>>
> >>> on my NAS I am encountering the following issue since v6.6.44 (LTS),
> >>> when executing the hdparm command for my WD-WCC7K4NLX884 drives to get
> >>> the active or standby state:
> >>>
> >>>     $ hdparm -C /dev/sda
> >>>     /dev/sda:
> >>>     SG_IO: bad/missing sense data, sb[]:  f0 00 01 00 50 40 ff 0a 00 00 78 00 00 1d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> >>>      drive state is:  unknown
> >>>
> >>>
> >>> While the expected output is the following:
> >>>
> >>>     $ hdparm -C /dev/sda
> >>>     /dev/sda:
> >>>      drive state is:  active/idle
> >>>
> 
> Yes, indeed. I do not want to revert any of these recent patches, because as you
> rightly summarize here, these fix something that has been broken for a long
> time. We were just lucky that we did not see more application failures until
> now, or rather unlucky that we did not as that would have revealed these
> problems earlier.
> 
> So I think we will have some patching to do to hdparm at least to fix the
> problems there.

It seems like this does not only break hdparm but also hddtemp, which
does not use hdparm as dep as far as I can tell:

    # on bad kernel for the above issue
    $ hddtemp /dev/sda
    /dev/sda: WDC WD40EFRX-68N32N0                    : drive is sleeping

    # on good kernel for the above issue
    $ hddtemp /dev/sda
    /dev/sda: WDC WD40EFRX-68N32N0: 31°C

I didn't take the time to actually verify that this is the same issue,
but it seems very likely from what we have gathered in this thread
already.

So while I agree that it might have previously just worked by chance it
seems like there is quite some stuff depending on the previous behavior.

This was first discovered in [this thread in the Arch Linux Forums][0]
by user @GerBra.

 ~Chris

[0]: https://bbs.archlinux.org/viewtopic.php?id=298407

Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)