Bug 274391 - pm-hibernate fails to resume, does not support LABEL= syntax for swap in /etc/fstab
pm-hibernate fails to resume, does not support LABEL= syntax for swap in /etc...
Product: Fedora
Classification: Fedora
Component: mkinitrd (Show other bugs)
All All
medium Severity high
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Assigned To: Peter Jones
Fedora Extras Quality Assurance
Depends On:
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Reported: 2007-09-02 05:00 EDT by Bill C. Riemers
Modified: 2008-06-16 22:17 EDT (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2008-06-16 22:17:54 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Bill C. Riemers 2007-09-02 05:00:29 EDT
Description of problem:

After suspend, when I attempt to resume I consistently get an error that
LABEL=swap can not by found.

However, my swap indeed has a label of swap, and correctly activates when I call
swapon -a -e, after booting.  (It does not enable during boot due to the resume
error, and the fact that selinux blocks mkswap when called from swapon.)

Version-Release number of selected component (if applicable):

How reproducible:

About 60% of the time.  The other 40% the computer resumes normally.

Steps to Reproduce:
1.  suspend to disk
2.  attempt to resume
Actual results:

LABEL=swap not found.  Boot normally.

Expected results:

Loads suspend information from /dev/scratch/swap and resume.

Additional info:

It doesn't seem to matter if I list my swap device as LABEL=swap, or as
/dev/scratch/swap in the /etc/fstab.  Either way, it always gives the resume
message for LABEL=swap.
Comment 1 Bill C. Riemers 2007-09-04 10:20:15 EDT
I did some investigation as to where the LABEL=swap comes from when I changed
/etc/fstab, and found the fstab file in the initrd file is used to decide where
to resume from.  I ran the following command, and then I was able to suspend to
disk and resume normally:

mkinitrd -f --force-raid-probe --force-lvm-probe --fstab=/etc/fstab \
  /boot/initrd-$(uname -r).img $(uname -r)

I am guessing the 60% of the time when resumed worked, I happen to have swap
listed as /dev/scratch/swap in /etc/fstab at the time of the last kernel update,
and the 40% when it failed I happened to have LABEL=swap in the /etc/fstab at
the time of a kernel update.

So it looks like the fundamental problem is that the resume does not support the
LABEL=swap syntax, but the mkinitrd script does not know that and uses the fstab
as-is with this syntax.

Comment 2 Till Maas 2007-12-23 19:07:50 EST
This seems to belong to the mkinitrd component, because the bug is in the
mkinitrd script. In case I am wrong and it is a pm-utils bug, please reassign it
to the pm-utils component.
Comment 3 Bug Zapper 2008-05-14 10:12:00 EDT
This message is a reminder that Fedora 7 is nearing the end of life. Approximately 30 (thirty) days from now Fedora will stop maintaining and issuing updates for Fedora 7. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as WONTFIX if it remains open with a Fedora 'version' of '7'.

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Comment 4 Bug Zapper 2008-06-16 22:17:52 EDT
Fedora 7 changed to end-of-life (EOL) status on June 13, 2008. 
Fedora 7 is no longer maintained, which means that it will not 
receive any further security or bug fix updates. As a result we 
are closing this bug. 

If you can reproduce this bug against a currently maintained version 
of Fedora please feel free to reopen this bug against that version.

Thank you for reporting this bug and we are sorry it could not be fixed.

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