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[Bug runtime/16806] kernel crash during repeated module insertion
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Thu, 17 Apr 2014 20:13:14 +0000
- Subject: [Bug runtime/16806] kernel crash during repeated module insertion
- Auto-submitted: auto-generated
- References: <bug-16806-6586 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=16806
David Smith <dsmith at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #9 from David Smith <dsmith at redhat dot com> ---
Fixed in commit d9edc5f (which is different than the attached patch). With this
patch, a module without debug prints works fine.
With debug prints (-DDEBUG_TASK_FINDER=9 -DSTP_TF_DEBUG=9), we still get an
occasional delay when exiting with this patch. An occasional delay when using
debug prints is certainly better than a crash. The delay doesn't appear to be
related to task_finder/utrace shutdown, for some reason there is a delay in
calling stap_stop_task_finder(). We may have to look into this further in the
future.
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