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[Bug runtime/21860] on rawhide, the bz1027459.exp test case causes a kernel warning
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Thu, 03 Aug 2017 20:03:01 +0000
- Subject: [Bug runtime/21860] on rawhide, the bz1027459.exp test case causes a kernel warning
- Auto-submitted: auto-generated
- References: <bug-21860-6586@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=21860
--- Comment #2 from David Smith <dsmith at redhat dot com> ---
This appears to be coming from stp_print_flush (runtime/print_flush.c). Lines
131+ look like this:
c = _stp_runtime_entryfn_get_context();
dbug_trans(1, "calling _stp_data_write...\n");
stp_spin_lock_irqsave(&_stp_print_lock, flags);
while (len > 0) {
The warning seems to come from the call to stp_spin_lock_irqsave(). I'm still
unsure of why the warning happens.
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