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[Bug bpf/24324] bpf map entry 0: Operation not permitted
- From: "me at serhei dot io" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Fri, 22 Mar 2019 20:29:56 +0000
- Subject: [Bug bpf/24324] bpf map entry 0: Operation not permitted
- Auto-submitted: auto-generated
- References: <bug-24324-6586@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=24324
--- Comment #1 from Serhei Makarov <me at serhei dot io> ---
As suspected, applying this quick fix on Fedora can lead to subtler resource
exhaustion, so committing it to master is a no-go for now.
I do notice that the testsuite can produce orphaned stapbpf processes which may
be holding the pinned memory, or some other resource that runs out more slowly
than the finite rlimit I was using.
root 482 0.0 0.0 80144 3848 pts/6 D 16:18 0:00
/opt/systemtap/bin/stapbpf /tmp/stapfEnTr4/stap_481.bo
root 494 0.0 0.0 6412 1760 pts/6 D 16:18 0:00
/opt/systemtap/bin/stapbpf /tmp/stapm3M5Nd/stap_493.bo
root 508 0.0 0.0 6376 1676 pts/6 D 16:19 0:00
/opt/systemtap/bin/stapbpf /tmp/stap7RZrMT/stap_507.bo
root 643 0.0 0.0 6384 1720 pts/6 D 16:21 0:00
/opt/systemtap/bin/stapbpf /tmp/stapMhTLZX/stap_642.bo
root 666 0.0 0.0 6384 1644 pts/6 D 16:21 0:00
/opt/systemtap/bin/stapbpf /tmp/stap1ME9en/stap_663.bo
root 688 0.0 0.0 6384 1648 pts/6 D 16:22 0:00
/opt/systemtap/bin/stapbpf /tmp/stapd3AOZs/stap_687.bo
serhei 746 0.0 0.0 6004 760 pts/6 S+ 16:22 0:00 grep
--color=auto stapbpf
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