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[Bug runtime/17461] probing process.end crashes on busy systems
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Mon, 06 Oct 2014 21:11:58 +0000
- Subject: [Bug runtime/17461] probing process.end crashes on busy systems
- Auto-submitted: auto-generated
- References: <bug-17461-6586 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=17461
David Smith <dsmith at redhat dot com> changed:
What |Removed |Added
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CC| |dsmith at redhat dot com
--- Comment #3 from David Smith <dsmith at redhat dot com> ---
I'd certainly suspect utrace, especially since I see utrace_free() in your
dmesg output. However, I also see _raw_spin_lock, and that's got me confused.
We added some patches recently to add support for realtime kernels, but we
shouldn't be using raw spinlocks anywhere but realtime kernels.
The only real utrace change lately was the following:
====
commit d9d07e99777c6e7aaaa8db0049c5fd5e5a2f01b0
Author: David Smith <dsmith@redhat.com>
Date: Fri Jul 18 15:49:39 2014 -0500
Fixed PR17181 by making utrace handle interrupting processes better.
====
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