> On 4 Jul 2025, at 17:38, Ranjan Maitra via users 
> <users@lists.fedoraproject.org> wrote:
> 
> On Fri Jul04'25 11:27:07AM, Community Support for Fedora Users wrote:
>> From: Ranjan Maitra via users <users@lists.fedoraproject.org>
>> Date: Fri, 4 Jul 2025 11:27:07 -0500
>> To: Community support for Fedora users <users@lists.fedoraproject.org>
>> Cc: Ranjan Maitra <mlmai...@gmx.com>
>> Reply-To: Community support for Fedora users <users@lists.fedoraproject.org>
>> Subject: Re: F42: instructions on setting up hibernate
>> 
>>> On Tue Jun24'25 04:37:21PM, Patrick O'Callaghan wrote:
>>> From: Patrick O'Callaghan <pocallag...@gmail.com>
>>> Date: Tue, 24 Jun 2025 16:37:21 +0100
>>> To: users@lists.fedoraproject.org
>>> Reply-To: Community support for Fedora users <users@lists.fedoraproject.org>
>>> Subject: Re: F42: instructions on setting up hibernate
>>> 
>>> On Tue, 2025-06-24 at 09:35 -0500, Ranjan Maitra via users wrote:
>>>> On Thu Jun12'25 04:05:09PM, Patrick O'Callaghan wrote:
>>>>> From: Patrick O'Callaghan <pocallag...@gmail.com>
>>>>> Date: Thu, 12 Jun 2025 16:05:09 +0100
>>>>> To: users@lists.fedoraproject.org
>>>>> Reply-To: Community support for Fedora users 
>>>>> <users@lists.fedoraproject.org>
>>>>> Subject: Re: F42: instructions on setting up hibernate
>>>>> 
>>>>> On Thu, 2025-06-12 at 09:32 -0500, Ranjan Maitra via users wrote:
>>>>>> I have a new install of F42 on a Dell Latitude 7430 and was wondering 
>>>>>> what is the latest way to get hibernate going?
>>>>>> 
>>>>>> Is this recommended way?
>>>>>> 
>>>>>> https://fedoramagazine.org/update-on-hibernation-in-fedora-workstation/
>>>>>> 
>>>>>> Many thanks and best wishes,
>>>>>> Ranjan
>>>>> 
>>>>> That's basically what I do as far as I can tell, though I arrived at it
>>>>> piecemeal after several iterations with earlier attempts.
>>>> 
>>>> Thanks, looking into this now. However, I noticed that these instructions 
>>>> appear to be for filesystems that use btfrs. What do I do if I have a ext4 
>>>> filesystem?
>>> 
>>> At a guess, just leave out the line that creates a BTRFS subvolume and
>>> do everything else the same. The important thing is to create a
>>> contiguous swapfile with reserved space, which is what mkswap does.
>>> IIRC the BTRFS subvolume is mainly to avoid things like deduplication
>>> on the swap file, which isn't an issue with ext4.
>>> 
>> 
>> So, does this mean I have to create a /var/swap file using mkdir? Because 
>> right now, I do not have any a /var/swap.
> 
> Or, just to add, should I ignore all three of these lines at:
> 
> https://fedoramagazine.org/update-on-hibernation-in-fedora-workstation/
> 
> sudo btrfs subvolume create /var/swap
> sudo chattr +C /var/swap
> sudo restorecon /var/swap
> 
> I suspect I should create a /var/swap directory. Famous last guess?:-)

A sub volume is appears as a directory.
But a directory is not a sub volume,

You must create the sub volume.

Barry

> 
> Ranjan
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