linux-kernel - [perf] 3.0 overflow test locks up system

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Message-ID: <alpine.DEB.2.00.1107221210160.21367@cl320.eecs.utk.edu>
Date:	Fri, 22 Jul 2011 12:13:49 -0400 (EDT)
From:	Vince Weaver <vweaver1@...s.utk.edu>
To:	linux-kernel@...r.kernel.org
cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: [perf] 3.0 overflow test locks up system

Hello

With 3.0.0 the PAPI "overflow_allcounters" test reliably locks up my 
Nehalem system.  This definitely does not happen in 2.6.39 and possibly 
doesn't in 3.0-rc4 either.

I won't have time to bisect or to come up with a simpler test case until 
next week sometime.

A warning is printed just before the machine becomes unresponsive, it is 
included below.

Thanks,

Vince
vweaver1@...s.utk.edu

[  392.504845] ------------[ cut here ]------------
[  392.504962] WARNING: at kernel/smp.c:320 smp_call_function_single+0x6c/0xf2()
[  392.505074] Hardware name: Precision M4500
[  392.505181] Modules linked in: acpi_cpufreq cpufreq_conservative mperf cpufreq_powersave cpufreq_userspace cpufreq_stats uinput nouveau snd_hda_codec_hdmi ttm drm_kms_helper mxm_wmi snd_hda_codec_idt iwlagn mac80211 snd_hda_intel snd_hda_codec cfg80211 dell_laptop snd_hwdep video processor ehci_hcd dell_wmi sparse_keymap psmouse sdhci_pci rfkill snd_pcm sdhci thermal_sys pcspkr ac battery wmi serio_raw snd_timer snd_page_alloc evdev i2c_i801 dcdbas button
[  392.509709] Pid: 2310, comm: overflow_allcou Not tainted 3.0.0 #43
[  392.509819] Call Trace:
[  392.509925]  <IRQ>  [<ffffffff81041bb0>] ? warn_slowpath_common+0x78/0x8c
[  392.510144]  [<ffffffff810a4d19>] ? perf_exclude_event.part.23+0x31/0x31
[  392.510257]  [<ffffffff8106b7c5>] ? smp_call_function_single+0x6c/0xf2
[  392.510369]  [<ffffffff810a38aa>] ? task_function_call+0x42/0x4c
[  392.510476]  [<ffffffff810a50e4>] ? update_cgrp_time_from_event+0x2c/0x2c
[  392.510589]  [<ffffffff810a5a9d>] ? perf_event_disable+0x45/0x8c
[  392.510700]  [<ffffffff810a8e89>] ? __perf_event_overflow+0xf1/0x1a3
[  392.510812]  [<ffffffff8103c7bb>] ? select_task_rq_fair+0x349/0x574
[  392.510924]  [<ffffffff810a7f0a>] ? perf_ctx_adjust_freq+0x42/0xe6
[  392.511038]  [<ffffffff8105f152>] ? sched_clock_cpu+0xb/0xc3
[  392.511152]  [<ffffffff8100ded5>] ? paravirt_read_tsc+0x5/0x8
[  392.511262]  [<ffffffff8100e320>] ? native_sched_clock+0x27/0x2f
[  392.511366]  [<ffffffff810a9500>] ? perf_event_overflow+0x10/0x10
[  392.511476]  [<ffffffff810a959f>] ? perf_swevent_hrtimer+0x9f/0xda
[  392.511599]  [<ffffffff8105ca04>] ? run_posix_cpu_timers+0x23/0x346
[  392.511721]  [<ffffffff8131c2ef>] ? rb_insert_color+0xb1/0xd9
[  392.511841]  [<ffffffff8105d373>] ? __run_hrtimer+0xac/0x135
[  392.511960]  [<ffffffff8105daa3>] ? hrtimer_interrupt+0xdb/0x195
[  392.512083]  [<ffffffff8108d040>] ? check_for_new_grace_period.isra.32+0x99/0xa4
[  392.512220]  [<ffffffff8108d201>] ? __rcu_process_callbacks+0x72/0x2b7
[  392.512345]  [<ffffffff8102437c>] ? hpet_interrupt_handler+0x23/0x2b
[  392.512469]  [<ffffffff81089446>] ? handle_irq_event_percpu+0x50/0x180
[  392.512592]  [<ffffffff81046f76>] ? __do_softirq+0x13e/0x177
[  392.512713]  [<ffffffff810f680c>] ? send_sigio+0x95/0xab
[  392.512832]  [<ffffffff810895aa>] ? handle_irq_event+0x34/0x52
[  392.512952]  [<ffffffff8108b433>] ? handle_edge_irq+0x9f/0xc6
[  392.513072]  [<ffffffff8100a831>] ? handle_irq+0x1d/0x21
[  392.513192]  [<ffffffff8100a561>] ? do_IRQ+0x42/0x98
[  392.513314]  [<ffffffff81593053>] ? common_interrupt+0x13/0x13
[  392.513438]  <EOI> 
[  392.513542] ---[ end trace 12f3f913316a2866 ]---
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