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Bug 1167082 - Logging broken when dinfo exists in PATH
Summary: Logging broken when dinfo exists in PATH
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: dracut
Version: 7.0
Hardware: Unspecified
OS: Unspecified
unspecified
low
Target Milestone: rc
: ---
Assignee: Harald Hoyer
QA Contact: Release Test Team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-11-23 12:17 UTC by Petr Vokac
Modified: 2015-11-19 12:51 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-11-19 12:51:36 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:2091 0 normal SHIPPED_LIVE dracut bug fix and enhancement update 2015-11-19 11:13:43 UTC

Description Petr Vokac 2014-11-23 12:17:16 UTC 
Description of problem:

Logging function stored in dracut-logger.sh are included by dracut-functions only if "type dinfo" fails. Unfortunately this test is also satisfied when "dinfo" file exists in PATH and in such situation dracut fails to run.

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

dracut-033-161.el7_0.173.x86_64

Steps to Reproduce:
1. touch /usr/bin/dinfo
2. yum remove -y kernel-3.10.0-123.9.3.el7.x86_64
3. yum upgrade -y

Actual results:

...
Running transaction
  Installing : kernel-3.10.0-123.9.3.el7.x86_64                                                                                                                                                                                                                            1/1 
/sbin/dracut: line 834: /usr/bin/dinfo: Permission denied
/sbin/dracut: line 1167: /usr/bin/dinfo: Permission denied
/sbin/dracut: line 1167: /usr/bin/dinfo: Permission denied
/sbin/dracut: line 1167: /usr/bin/dinfo: Permission denied
/usr/lib/dracut/dracut-functions.sh: line 1645: derror: command not found
/usr/lib/dracut/dracut-functions.sh: line 1645: derror: command not found
/usr/lib/dracut/dracut-functions.sh: line 1645: derror: command not found
/usr/lib/dracut/dracut-functions.sh: line 1645: derror: command not found
/usr/lib/dracut/dracut-functions.sh: line 1645: derror: command not found
/sbin/dracut: line 1178: dfatal: command not found
mkinitrd failed
...

Additional info:

There is a function in dracut-functions called "is_func" that could be used to safely check existence of the dinfo function.
Comment 2 Harald Hoyer 2014-11-24 14:22:02 UTC 
Thanks!

Of course, the best fix would be to rename the function to dracut_info()

http://git.kernel.org/cgit/boot/dracut/dracut.git/commit/?id=26d14fb3d36d6091f64258a62c49939478405693
Comment 7 errata-xmlrpc 2015-11-19 12:51:36 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://rhn.redhat.com/errata/RHBA-2015-2091.html
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