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Bug 247986

Summary:	/sbin/weak-modules fails to handle inter-module symbol references.
Product:	Red Hat Enterprise Linux 5	Reporter:	Gerd Hoffmann <kraxel>
Component:	module-init-tools	Assignee:	Jon Masters <jcm>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	5.0	CC:	ddutile, riek, xen-maint
Target Milestone:	---
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	RHBA-2007-0659	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2007-11-07 17:25:54 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	251292

Description Gerd Hoffmann 2007-07-12 15:02:28 UTC

Description of problem:
/sbin/weak-modules fails to handle inter-module symbol references.

Version-Release number of selected component (if applicable):
module-init-tools-3.3-0.pre3.1.16.0.1.el5

How reproducible:
grab xenpv-kmod packages from
http://devserv.devel.redhat.com/~ghoffman/brew/rhel51-xen/$arch/, install them.

Actual results:
Only xen-platform-pci.ko gets symlinked into weak-symbols

Expected results:
all xen-*.ko modules get symlinked into weak-symbols

Additional info:
xen-platform-pci.ko provides symbols referenced by the other modules.

Comment 1 Gerd Hoffmann 2007-07-19 16:17:29 UTC

Bug is in the module_is_compatible() function.

modprobe prints 8-char-wide crc's.
nm dumps 16-char-wide addresses.
thus they don't look identical to the join utility.

Probably happens on x86_64 only.

Comment 19 errata-xmlrpc 2007-11-07 17:25:54 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2007-0659.html