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Re: Problem source verified -Re: Jessie (8.0) slow to boot

From Darac Marjal <mailinglist@darac.org.uk>
Newsgroups linux.debian.user
Subject Re: Problem source verified -Re: Jessie (8.0) slow to boot
Date 2016-09-01 14:20 +0200
Message-ID <scz8l-1In-1@gated-at.bofh.it> (permalink)
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On Thu, Sep 01, 2016 at 07:02:14AM -0500, Richard Owlett wrote:
>On 8/31/2016 11:25 AM, Richard Owlett wrote:
>>On 8/31/2016 10:44 AM, Felix Miata wrote:
>>>Richard Owlett composed on 2016-08-31 09:58 (UTC-0500):
>>>...
>>>>Aug 31 09:13:32 deb8-2ndtry systemd[1]: Job
>>>>dev-disk-by\x2duuid-0a344714\x2dae06\x2d43ed\x2daf89\x2d33ba51934630.de
>>>>
>>>>
>>>>Aug 31 09:13:32 deb8-2ndtry systemd[1]: Timed out waiting for
>>>>device dev-disk-by\x2duuid-0a344714\x2dae06\x2d43ed\x
>>>>Aug 31 09:13:32 deb8-2ndtry systemd[1]: Dependency failed for
>>>>/dev/disk/by-uuid/0a344714-ae06-43ed-af89-33ba5193463
>>>>Aug 31 09:13:32 deb8-2ndtry systemd[1]: Dependency failed for
>>>>Swap.
>>>
>>>Which was installed last, Squeeze, or Jessie? You can expect this
>>>message trying to boot the earlier installed installation after
>>>having done the later install. Unless you take affirmative action
>>>to deny it, an existing swap partition used by the earlier
>>>installation will be reformatted by the later installation.
>>>Reformatting creates a new UUID, thus making the UUID referring
>>>to it in the earlier installation's fstab invalid. The earlier
>>>needs to have its fstab edited to use the correct swap partition
>>>UUID, or volume label, or device name, if swap is actually
>>>desired or needed.
>>
>>There may be some subtle problems still lurking somewhere which
>>show up only for people like me doing many installs of *nearly*
>>identical systems.
>>
>>Commenting out the line in /etc/fstab DID allow it to boot
>>without warning messages.
>>
>>However,taking into account Darac's comments, does this now mean
>>that the machines are now operating without a swap partition?
>>
>>IIRC the current instance of Jessie on the laptop was the
>>chronologically the last OS installed so by the comments in this
>>thread should not have had the problem. The laptop is my
>>designated "Guinea pig" so I'll do a fresh install to see if
>>problem persists.
>
>My procedure was:
>1. Using the Live edition of Gparted, remove all partitions on hard 
>disk.
>2. Using install DVD 1 of Debian 8.0.0
>   a. install Debian to /dev/sda1
>   b. create swap on /dev/sda2
>3. Verify Debian boots without problems
>4. Using the same DVD
>   a. install Debian to /dev/sda5
>   b. re-create swap on /dev/sda2
>5. Attempt to boot both instances
>   a. Booting the install on /dev/sda1 generates the warning message 
>and use
>      of free shows swap does not exist.
>   b. Booting the install on /dev/sda5 generates no warning message 
>and use
>      of free shows swap does exist.
>
>I believe this justifies a bug report against the installer.
>My expected behavior would be to check to see if a swap area already 
>exists before "creating" a swap partition. Especially since replacing 
>a swap partition can break a previously functioning install in a 
>multi-boot situation.
>
>Comments?

I think that sounds sensible. A swap partition should be considered 
scratch space, and its contents only relevant to the currently-booted 
OS.

The only fly in the ointment is hibernation. It's been a while since I 
played with hibernation, but I believe it stores the RAM image into 
Swap, so installing Debian while another OS is hibernated could even 
cause data loss. The solution there is A) to use a swap FILE for the 
hibernation image and B) for Debian to point-blank refuse to re-create a 
swap partition when it detects a hibernation image there.

-- 
For more information, please reread.

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Thread

Jessie (8.0) slow to boot Richard Owlett <rowlett@cloud85.net> - 2016-08-31 16:20 +0200
  Re: Jessie (8.0) slow to boot Greg Wooledge <wooledg@eeg.ccf.org> - 2016-08-31 16:30 +0200
    Re: Jessie (8.0) slow to boot Richard Owlett <rowlett@cloud85.net> - 2016-08-31 17:00 +0200
      Re: Jessie (8.0) slow to boot Greg Wooledge <wooledg@eeg.ccf.org> - 2016-08-31 17:10 +0200
        Re: Jessie (8.0) slow to boot Greg Wooledge <wooledg@eeg.ccf.org> - 2016-08-31 18:10 +0200
        Re: Jessie (8.0) slow to boot Richard Owlett <rowlett@cloud85.net> - 2016-08-31 18:10 +0200
      Re: Jessie (8.0) slow to boot Felix Miata <mrmazda@earthlink.net> - 2016-08-31 17:50 +0200
        Re: Jessie (8.0) slow to boot Richard Owlett <rowlett@cloud85.net> - 2016-08-31 18:30 +0200
          Re: Jessie (8.0) slow to boot Felix Miata <mrmazda@earthlink.net> - 2016-08-31 18:50 +0200
            Re: Jessie (8.0) slow to boot Richard Owlett <rowlett@cloud85.net> - 2016-09-01 13:00 +0200
              Re: Jessie (8.0) slow to boot Gene Heskett <gheskett@shentel.net> - 2016-09-01 16:00 +0200
          Re: Jessie (8.0) slow to boot David Wright <deblis@lionunicorn.co.uk> - 2016-08-31 20:50 +0200
          Problem source verified -Re: Jessie (8.0) slow to boot Richard Owlett <rowlett@cloud85.net> - 2016-09-01 14:10 +0200
            Re: Problem source verified -Re: Jessie (8.0) slow to boot Darac Marjal <mailinglist@darac.org.uk> - 2016-09-01 14:20 +0200
              Re: Problem source verified -Re: Jessie (8.0) slow to boot David Wright <deblis@lionunicorn.co.uk> - 2016-09-01 16:50 +0200
                Re: Problem source verified -Re: Jessie (8.0) slow to boot Michael Biebl <biebl@debian.org> - 2016-09-02 09:50 +0200
                Re: Problem source verified -Re: Jessie (8.0) slow to boot David Wright <deblis@lionunicorn.co.uk> - 2016-09-02 17:40 +0200
                Re: Problem source verified -Re: Jessie (8.0) slow to boot Nicolas George <george@nsup.org> - 2016-09-02 17:50 +0200
                Re: Problem source verified -Re: Jessie (8.0) slow to boot David Wright <deblis@lionunicorn.co.uk> - 2016-09-02 21:40 +0200
                Re: Problem source verified -Re: Jessie (8.0) slow to boot Curt <curty@free.fr> - 2016-09-02 18:30 +0200
            Re: Problem source verified -Re: Jessie (8.0) slow to boot claude juif <claude.juif@gmail.com> - 2016-09-01 16:00 +0200
              Re: Problem source verified -Re: Jessie (8.0) slow to boot Richard Owlett <rowlett@cloud85.net> - 2016-09-02 15:10 +0200
    Re: Jessie (8.0) slow to boot Dominic Knight <dominicknight@gmx.com> - 2016-08-31 18:20 +0200
  Re: Jessie (8.0) slow to boot Darac Marjal <mailinglist@darac.org.uk> - 2016-08-31 17:10 +0200
  Re: Jessie (8.0) slow to boot Alan McConnell <alan@his.com> - 2016-08-31 20:50 +0200
    Re: Jessie (8.0) slow to boot Darac Marjal <mailinglist@darac.org.uk> - 2016-09-01 11:20 +0200

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