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[Bug #16562] 2.6.35: cpu_idle bug report / on i7 870 cpu (x86_64)

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From: Rafael J. Wysocki
Subject: [Bug #16562] 2.6.35: cpu_idle bug report / on i7 870 cpu (x86_64)
Date: Sunday, August 29, 2010 - 4:13 pm

This message has been generated automatically as a part of a report
of regressions introduced between 2.6.34 and 2.6.35.

The following bug entry is on the current list of known regressions
introduced between 2.6.34 and 2.6.35.  Please verify if it still should
be listed and let the tracking team know (either way).


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=16562
Subject		: 2.6.35: cpu_idle bug report / on i7 870 cpu (x86_64)
Submitter	: Justin Piszcz <jpiszcz@lucidpixels.com>
Date		: 2010-08-06 22:09 (24 days old)
Message-ID	: <alpine.DEB.2.00.1008061800530.5241@p34.internal.lan>
References	: http://marc.info/?l=linux-kernel&m=128113260904048&w=2


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Messages in current thread:
2.6.36-rc3: Reported regressions 2.6.34 -&gt; 2.6.35, Rafael J. Wysocki, (Sun Aug 29, 3:57 pm)
[Bug #16221] 2.6.35-rc2-git5 -- [drm:drm_mode_getfb] *ERRO ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16228] BUG/boot failure on Dell Precision T3500 (pci ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16184] Container, X86-64, i386, iptables rule, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16307] i915 in kernel 2.6.35-rc3, high number of wakeups, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16322] WARNING: at /arch/x86/include/asm/processor.h ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16323] 2.6.35-rc3-git4 - kernel/sched.c:616 invoked ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16265] Why is kslowd accumulating so much CPU time?, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16312] WARNING: at fs/fs-writeback.c:1127 __mark_ino ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16396] [bisected] resume from suspend freezes system, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16337] general protection fault: 0000 [#1] SMP, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16380] Loop devices act strangely in 2.6.35, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16393] kernel BUG at fs/block_dev.c:765!, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16400] 2.6.35-rc5 inconsistent lock state, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16405] Brightness Adjustment on Toshiba nb305 Netboo ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16399] perf failed with kernel 2.6.35-rc, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16423] netfilter/iptables stopped logging 2.6.35-rc, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16406] Badness with the kernel version 2.6.35-rc1-gi ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16462] unable to connect to AP on legal channel 13, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16505] 2.6.34.2 breaks b43, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16495] Kernel 2.6.35 takes almost half an hour to boot, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16488] [i915] Framebuffer ID error after suspend/hib ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16458] Bluetooth disabled after resume, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16448] 2.6.35-rc5 panic at __br_deliver+0x64/0xe0 wi ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16506] 2.6.35.0 compilation errors and excessive war ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16515] Radeon rv280 can't boot on kernel 2.6.35., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16525] unexpected high load since 2.6.35, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16613] i8042 kernel module failed to load after unlo ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16562] 2.6.35: cpu_idle bug report / on i7 870 cpu ( ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16549] 2.6.35: suspicious rcu_dereference_check() usage, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16537] TREE_RCU hangs at boot, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16536] audio stop playing after while, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16620] [REGRESSION 2.6.35+] crash (maybe kmemleak re ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16633] ath5k + 2.6.35 x86 + hostapd - Failed to set ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16614] [2.6.35] usb 2.0 em28xx kernel panic general ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #17071] possible esata regression in 2.6.35, Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16771] [Bisected Regression in 2.6.35] A full tmpfs ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
[Bug #16691] IPW5100: iwlagn broken with 2.6.34.x to 2.6.3 ..., Rafael J. Wysocki, (Sun Aug 29, 4:13 pm)
Re: [Bug #16337] general protection fault: 0000 [#1] SMP, Justin P. Mattock, (Sun Aug 29, 4:52 pm)
Re: [Bug #16505] 2.6.34.2 breaks b43, Larry Finger, (Sun Aug 29, 5:41 pm)
Re: [Bug #16393] kernel BUG at fs/block_dev.c:765!, Markus Trippelsdorf, (Sun Aug 29, 5:56 pm)
Re: [Bug #16613] i8042 kernel module failed to load after ..., Victor Seryodkin, (Sun Aug 29, 10:13 pm)
Re: [Bug #16337] general protection fault: 0000 [#1] SMP, Pauli Nieminen, (Mon Aug 30, 12:38 am)
Re: [Bug #16399] perf failed with kernel 2.6.35-rc, Peter Zijlstra, (Mon Aug 30, 2:12 am)
Re: [Bug #16393] kernel BUG at fs/block_dev.c:765!, Florian Mickler, (Mon Aug 30, 2:32 am)
Re: [Bug #16613] i8042 kernel module failed to load after ..., Florian Mickler, (Mon Aug 30, 2:34 am)
Re: [Bug #16399] perf failed with kernel 2.6.35-rc, Florian Mickler, (Mon Aug 30, 6:56 am)
Re: [Bug #16505] 2.6.34.2 breaks b43, Florian Mickler, (Mon Aug 30, 7:21 am)
Re: [Bug #16337] general protection fault: 0000 [#1] SMP, Rafael J. Wysocki, (Mon Aug 30, 10:26 am)
Re: [Bug #16399] perf failed with kernel 2.6.35-rc, Rafael J. Wysocki, (Mon Aug 30, 10:32 am)
Re: [Bug #16505] 2.6.34.2 breaks b43, Rafael J. Wysocki, (Mon Aug 30, 10:34 am)
Re: [Bug #16307] i915 in kernel 2.6.35-rc3, high number of ..., Kan-Ru Chen, (Mon Aug 30, 7:19 pm)
Re: [Bug #16307] i915 in kernel 2.6.35-rc3, high number of ..., Enrico Bandiello, (Tue Aug 31, 12:38 am)
Re: [Bug #16771] [Bisected Regression in 2.6.35] A full tm ..., M. Vefa Bicakci, (Tue Aug 31, 7:40 am)
Re: [Bug #16771] [Bisected Regression in 2.6.35] A full tm ..., Rafael J. Wysocki, (Tue Aug 31, 1:19 pm)
Re: [Bug #16771] [Bisected Regression in 2.6.35] A full tm ..., KOSAKI Motohiro, (Tue Aug 31, 6:28 pm)
Re: [Bug #16771] [Bisected Regression in 2.6.35] A full tm ..., Rafael J. Wysocki, (Wed Sep 1, 12:35 pm)
Re: [Bug #16515] Radeon rv280 can't boot on kernel 2.6.35., Johan Kullstam, (Wed Sep 1, 12:42 pm)
Re: [Bug #16515] Radeon rv280 can't boot on kernel 2.6.35., Rafael J. Wysocki, (Wed Sep 1, 2:17 pm)