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From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@lst.de>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Regression: hibernation is broken since e6bc9de714972cac34daa1dc1567ee48a47a9342
Date: Thu, 13 Feb 2020 09:57:53 -0800	[thread overview]
Message-ID: <20200213175753.GS6874@magnolia> (raw)
In-Reply-To: <20200213172351.GA6747@dumbo>

On Thu, Feb 13, 2020 at 06:23:51PM +0100, Domenico Andreoli wrote:
> Hi,
> 
>   at some point between 5.2 and 5.3 my laptop started to refuse
> hibernating and come back to a full functional state. It's fully 100%
> reproducible, no oopses or any other damage to the state seems to happen.
> 
> It took me a while to follow the trail down to this commit. If I revert
> it from v5.6-rc1, the hibernation is back as in the old times.

Hmm, do you know which hibernation mechanism your computer is using?

--D

> 
> commit e6bc9de714972cac34daa1dc1567ee48a47a9342
> Merge: b6c0d3577246 dc617f29dbe5
> Author: Linus Torvalds <torvalds@linux-foundation.org>
> Date:   Wed Sep 18 17:35:20 2019 -0700
> 
>     Merge tag 'vfs-5.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
> 
>     Pull swap access updates from Darrick Wong:
>      "Prohibit writing to active swap files and swap partitions.
> 
>       There's no non-malicious use case for allowing userspace to scribble
>       on storage that the kernel thinks it owns"
> 
>     * tag 'vfs-5.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
>       vfs: don't allow writes to swap files
>       mm: set S_SWAPFILE on blockdev swap devices
> 
> 
> Is it possible to do anything?
> 
> Regards,
> Domenico
> 
> -- 
> rsa4096: 3B10 0CA1 8674 ACBA B4FE  FCD2 CE5B CF17 9960 DE13
> ed25519: FFB4 0CC3 7F2E 091D F7DA  356E CC79 2832 ED38 CB05

  reply	other threads:[~2020-02-13 17:58 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-13 17:23 Regression: hibernation is broken since e6bc9de714972cac34daa1dc1567ee48a47a9342 Domenico Andreoli
2020-02-13 17:57 ` Darrick J. Wong [this message]
2020-02-13 18:35   ` Domenico Andreoli
2020-02-13 19:34     ` Darrick J. Wong
2020-02-13 19:41       ` Darrick J. Wong
2020-02-14 21:15         ` Domenico Andreoli
2020-02-19  5:03           ` Darrick J. Wong
2020-02-22  0:23           ` Darrick J. Wong
2020-02-23 19:03             ` Domenico Andreoli
2020-02-25 20:26               ` Darrick J. Wong
2020-03-17 15:51                 ` Brad Campbell

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