* [Bug runtime/18889] New: lost ability to probe kernel module initializers
@ 2015-08-28 22:24 fche at redhat dot com
2015-08-28 22:27 ` [Bug runtime/18889] " fche at redhat dot com
0 siblings, 1 reply; 2+ messages in thread
From: fche at redhat dot com @ 2015-08-28 22:24 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=18889
Bug ID: 18889
Summary: lost ability to probe kernel module initializers
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
Assignee: systemtap at sourceware dot org
Reporter: fche at redhat dot com
Target Milestone: ---
On recent kernels, a probe requested on module .init.* functions no longer
receives hits. This appears to be because the kernel MODULE_STATE_COMING
notification is coming too early (before the module_sect_attrs are set), so we
cannot relocate symbols against .init.*, and thus cannot place probes. The
bz6503.* test case was too permissive to let us discover this immediately. The
kernel change that broke stap has not yet been identified.
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* [Bug runtime/18889] lost ability to probe kernel module initializers
2015-08-28 22:24 [Bug runtime/18889] New: lost ability to probe kernel module initializers fche at redhat dot com
@ 2015-08-28 22:27 ` fche at redhat dot com
0 siblings, 0 replies; 2+ messages in thread
From: fche at redhat dot com @ 2015-08-28 22:27 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=18889
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|systemtap at sourceware dot org |fche at redhat dot com
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