linux-kernel - [2.6.18-rc2-gabb5a5cc BUG] Lukewarm IQ detected in hotplug locking

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Message-ID: <6bffcb0e0607251657w47697883n74bab2255fd44ece@mail.gmail.com>
Date:	Wed, 26 Jul 2006 01:57:17 +0200
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Paul Jackson" <pj@....com>
Cc:	"Linus Torvalds" <torvalds@...l.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [2.6.18-rc2-gabb5a5cc BUG] Lukewarm IQ detected in hotplug locking

Hi,

This looks like an abb5a5cc6bba1516403146c5b79036fe843beb70 commit
(I'm not sure, I'll check this "tomorrow").

Jul 24 20:46:50 ltg01-fedora kernel: Lukewarm IQ detected in hotplug locking
Jul 24 20:46:50 ltg01-fedora kernel: BUG: warning at
/usr/src/linux-git/kernel/cpu.c:38/lock_cpu_hotplug()
Jul 24 20:46:50 ltg01-fedora kernel:  [<c0132891>] lock_cpu_hotplug+0x40/0x63
Jul 24 20:46:50 ltg01-fedora kernel:  [<c026a364>]
__cpufreq_driver_target+0xf/0x48
Jul 24 20:46:50 ltg01-fedora kernel:  [<c026affb>]
cpufreq_governor_performance+0x17/0x1c
Jul 24 20:46:50 ltg01-fedora kernel:  [<c026992e>] __cpufreq_governor+0x63/0x114
Jul 24 20:46:50 ltg01-fedora kernel:  [<c0269abe>]
__cpufreq_set_policy+0xdf/0xe6
Jul 24 20:46:50 ltg01-fedora kernel:  [<c026a58a>]
store_scaling_governor+0x11d/0x148
Jul 24 20:46:50 ltg01-fedora kernel:  [<c0269e27>] handle_update+0x0/0x5
Jul 24 20:46:50 ltg01-fedora kernel:  [<c026a46d>]
store_scaling_governor+0x0/0x148
Jul 24 20:46:50 ltg01-fedora kernel:  [<c026a0c0>] store+0x2e/0x3e
Jul 24 20:46:50 ltg01-fedora kernel:  [<c018c801>] sysfs_write_file+0x8c/0xb4
Jul 24 20:46:50 ltg01-fedora kernel:  [<c018c775>] sysfs_write_file+0x0/0xb4
Jul 24 20:46:50 ltg01-fedora kernel:  [<c015be27>] vfs_write+0xa1/0x143
Jul 24 20:46:50 ltg01-fedora kernel:  [<c015c417>] sys_write+0x3c/0x63
Jul 24 20:46:50 ltg01-fedora kernel:  [<c0102d51>] sysenter_past_esp+0x56/0x79

Here is a config file
http://www.stardust.webpages.pl/files/2.6-git/18-rc2/git-config

Here is dmesg http://www.stardust.webpages.pl/files/2.6-git/18-rc2/git-dmesg

Regards,
Michal

-- 
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)
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