Bug#883735: Re: Bug#883735: initramfs-tools: automatic resume doesn't work for lvm swap partitions

From	James Cowgill <jcowgill@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#883735: Re: Bug#883735: initramfs-tools: automatic resume doesn't work for lvm swap partitions
Date	2017-12-11 12:40 +0100
Message-ID	<uVuBb-4Cv-3@gated-at.bofh.it> (permalink)
References	(2 earlier) <uTRLA-6R2-5@gated-at.bofh.it> <uTSeB-7im-3@gated-at.bofh.it> <uTTkl-7UR-5@gated-at.bofh.it> <uTRLA-6R2-5@gated-at.bofh.it> <uTTkl-7UR-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi,

On 07/12/17 01:30, Ben Hutchings wrote:
> Control: reopen -1
> Control: tag -1 patch moreinfo
> 
> On Thu, 2017-12-07 at 00:22 +0000, James Cowgill wrote:
>> Hi,
>>
>> On 07/12/17 00:06, Ben Hutchings wrote:
>>> On Wed, 2017-12-06 at 23:48 +0000, James Cowgill wrote:
>>>> Package: initramfs-tools
>>>> Version: 0.130
>>>> Severity: normal
>>>>
>>>> Hi,
>>>>
>>>> I had noticed this bug for quite a while now, but since I rarely turn my
>>>> machine off I left investigating what the problem was until now.
>>>
>>> [...]
>>>> Is it possible (and a good idea) to store the /dev/mapper path instead
>>>> of the blkid when the swap partition is on LVM?
>>>>
>>>> I managed to solve my specific issue by manually setting RESUME to the
>>>> correct /dev/mapper path.
>>>
>>> This is the correct way to refer to LVs used as root, /usr or resume
>>> partition.  The reason for this is that lvm2 only activates VGs that
>>> are definitely needed, and there is no way to determine whether a
>>> filesystem UUID or label refers to an LV (or which VG it's in).
>>
>> Ok, but I don't understand why this can't be fixed. Why can't you
>> convert the /dev/dm-* path from /proc/swaps into a /dev/mapper path when
>> you generate the initramfs and store that instead?
> 
> Oh I see, I failed to parse 'automatic resume' as meaning automatic
> selection of the resume device.
> 
> Does the attached patch fix this for you?

Thanks, your patch does fix this for me.

James

Thread

Bug#883735: initramfs-tools: automatic resume doesn't work for lvm swap partitions James Cowgill <jcowgill@debian.org> - 2017-12-07 01:00 +0100
  Bug#883735: marked as done (initramfs-tools: automatic resume  doesn't work for lvm swap partitions) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2017-12-07 01:10 +0100
  Bug#883735: Re: Bug#883735: initramfs-tools: automatic resume doesn't work for lvm swap partitions James Cowgill <jcowgill@debian.org> - 2017-12-07 01:30 +0100
    Bug#883735: Re: Bug#883735: initramfs-tools: automatic resume doesn't work for lvm swap partitions Ben Hutchings <ben@decadent.org.uk> - 2017-12-07 02:40 +0100
      Bug#883735: Re: Bug#883735: initramfs-tools: automatic resume doesn't work for lvm swap partitions James Cowgill <jcowgill@debian.org> - 2017-12-11 12:40 +0100
  Processed: Re: Bug#883735: Re: Bug#883735: initramfs-tools:  automatic resume doesn't work for lvm swap partitions "Debian Bug Tracking System" <owner@bugs.debian.org> - 2017-12-07 02:40 +0100
  Bug#883735: initramfs-tools: automatic resume doesn't work for lvm swap partitions Vladimir K <pzs-fs@yandex.ru> - 2018-01-15 17:00 +0100
  Bug#883735: marked as done (initramfs-tools: automatic resume  doesn't work for lvm swap partitions) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2018-07-19 02:30 +0200

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