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Bug 1338759 - unable to shutdown - dracut loop rm: cannot remove /lib/drauct/hooks/shutdown/30-dm-shutdown.sh: Read-only filesystem
Summary: unable to shutdown - dracut loop rm: cannot remove /lib/drauct/hooks/shutdown...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: dracut
Version: 7.1
Hardware: x86_64
OS: Linux
urgent
urgent
Target Milestone: rc
: ---
Assignee: dracut-maint
QA Contact: Release Test Team
URL:
Whiteboard:
Depends On: 1178497
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-05-23 11:59 UTC by Marcel Kolaja
Modified: 2019-12-16 05:49 UTC (History)
35 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Cause: If a mount point resides in /run on shutdown and cannot be unmounted, systemd will mount this mountpoint read-only. This propagates to /run being read-only. Consequence: When the dracut shutdown procedure runs in a /run root to disassemble and unmount the old real root, its /run is read-only. dracut expects a writable /run, though, so it fails on shutdown. Fix: If dracut encounters a read-only /run on shutdown, it remounts it writeable. Result: The dracut shutdown procedure to disassemble and unmount the old real root succeeds.
Clone Of: 1178497
Environment:
Last Closed: 2016-06-23 16:33:22 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2016:1252 0 normal SHIPPED_LIVE dracut bug fix update 2016-06-23 20:16:54 UTC

Description Marcel Kolaja 2016-05-23 11:59:59 UTC 
This bug has been copied from bug #1178497 and has been proposed
to be backported to 7.2 z-stream (EUS).
Comment 6 Jan Stodola 2016-06-08 12:26:11 UTC 
Reproduced with dracut-033-359.el7, verified with dracut-033-360.el7_2.1, system shuts down as expected.

There is one warning message when trying to unmount /run/netns/namespace, which doesn't prevent from shutting down the system, and will be reported as a separate bug:

[   42.401813] systemd-shutdown[1]: Sending SIGKILL to remaining processes...
[   42.404672] systemd-shutdown[1]: Unmounting file systems.
[   42.406297] systemd-shutdown[1]: Unmounting /run/netns/namespace.
[   42.407469] systemd-shutdown[1]: Unmounting /run/netns/namespace.
[   42.408819] systemd-shutdown[1]: Unmounting /run/netns.
[   42.474532] systemd-shutdown[1]: Unmounting /run/netns/namespace.
[   42.475970] systemd-shutdown[1]: Unmounting /run/netns/namespace.
[   42.477191] systemd-shutdown[1]: Could not unmount /run/netns/namespace: Invalid argument
[   42.478824] systemd-shutdown[1]: Not all file systems unmounted, 1 left.

Moving to VERIFIED.
Comment 7 Jan Stodola 2016-06-08 12:40:47 UTC 
The warning message has been reported as bug 1343986.
Comment 9 errata-xmlrpc 2016-06-23 16:33:22 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2016:1252
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