* [Buildroot] [Bug 6992] New: Incorrect installation rights on external kernel module makes it unloadable
@ 2014-03-27 9:01 bugzilla at busybox.net
2014-04-29 18:57 ` [Buildroot] [Bug 6992] " bugzilla at busybox.net
2014-05-07 13:09 ` bugzilla at busybox.net
0 siblings, 2 replies; 3+ messages in thread
From: bugzilla at busybox.net @ 2014-03-27 9:01 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=6992
Summary: Incorrect installation rights on external kernel
module makes it unloadable
Product: buildroot
Version: 2014.02
Platform: PC
OS/Version: Linux
Status: NEW
Severity: minor
Priority: P5
Component: Other
AssignedTo: unassigned at buildroot.uclibc.org
ReportedBy: jpcartal at free.fr
CC: buildroot at uclibc.org
Estimated Hours: 0.0
Hello,
I'm currently working on a project that needs using external kernel modules.
I added a dedicated package for those to be built and installed.
However I made a mistake in the INSTALL_TARGET_CMDS rule since I asked for
those modules to be installed with 0755 access rights in the
$(TARGET_DIR)/lib/modules/$(KERNEL_RELEASE)/kernel/drivers/net/wireless/
directory.
Using the access rights above have the unexpected consequence that those
modules are stripped using the following command:
$(STRIP_FIND_CMD) | xargs $(STRIPCMD) 2>/dev/null || true i.e.
find buildroot/output/target -type f \( -perm /111 -o -name '*.so*' \) -not \(
-name 'libpthread*.so*' \) -print | xargs
buildroot/output/host/usr/bin/mipsel-buildroot-linux-uclibc-strip
--remove-section=.comment --remove-section=.note 2>/dev/null || true
Thus leading to stripped kernel modules that can not be loaded.
Changing the install access rights to 0664 make the correct strip command to be
used :
find $(TARGET_DIR)/lib/modules -type f -name '*.ko' | \
xargs -r $(KSTRIPCMD);fi
And the modules can then be loaded normally.
While I understand this is a mistake on my side and I found it quite hard to
track the root of the issue, it might be usefull to either :
* Change the $(STRIP_FIND_CMD) to not take into account kernel modules
* Yield an error or a warning during the make process
* Document this behaviour
Regards.
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* [Buildroot] [Bug 6992] Incorrect installation rights on external kernel module makes it unloadable
2014-03-27 9:01 [Buildroot] [Bug 6992] New: Incorrect installation rights on external kernel module makes it unloadable bugzilla at busybox.net
@ 2014-04-29 18:57 ` bugzilla at busybox.net
2014-05-07 13:09 ` bugzilla at busybox.net
1 sibling, 0 replies; 3+ messages in thread
From: bugzilla at busybox.net @ 2014-04-29 18:57 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=6992
--- Comment #1 from Thomas De Schampheleire <patrickdepinguin+buildroot@gmail.com> 2014-04-29 18:57:09 UTC ---
A patch implementing the first suggestion was sent to the list:
http://patchwork.ozlabs.org/patch/343972/
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* [Buildroot] [Bug 6992] Incorrect installation rights on external kernel module makes it unloadable
2014-03-27 9:01 [Buildroot] [Bug 6992] New: Incorrect installation rights on external kernel module makes it unloadable bugzilla at busybox.net
2014-04-29 18:57 ` [Buildroot] [Bug 6992] " bugzilla at busybox.net
@ 2014-05-07 13:09 ` bugzilla at busybox.net
1 sibling, 0 replies; 3+ messages in thread
From: bugzilla at busybox.net @ 2014-05-07 13:09 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=6992
Thomas De Schampheleire <patrickdepinguin+buildroot@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #2 from Thomas De Schampheleire <patrickdepinguin+buildroot@gmail.com> 2014-05-07 13:09:05 UTC ---
Fixed with commit
http://git.buildroot.org/buildroot/commit/?id=066359166fa9407382fd9ce40e002249dbdda9c7
Thanks for reporting!
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end of thread, other threads:[~2014-05-07 13:09 UTC | newest]
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2014-05-07 13:09 ` bugzilla at busybox.net
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