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[Bug runtime/20735] "soft lockup" bug on RHEL7 ppc64
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Thu, 10 Nov 2016 16:02:18 +0000
- Subject: [Bug runtime/20735] "soft lockup" bug on RHEL7 ppc64
- Auto-submitted: auto-generated
- References: <bug-20735-6586@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=20735
David Smith <dsmith at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from David Smith <dsmith at redhat dot com> ---
(In reply to David Smith from comment #2)
> Unfortunately, this patch causes the at_var.exp test to get hung, so I'll
> need to do more work here.
That comment was supposed to go on PR20742.
This "soft lockup" bug is fixed in commit 58c9bd1 by using the solution
mentioned in comment #1 of avoiding the module mutex and disabling/enable
preemption around kallsyms_on_each_symbol() calls instead.
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