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

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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?

Ben.

-- 
Ben Hutchings
Beware of programmers who carry screwdrivers. - Leonard Brandwein

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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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