Description of problem: $dmesg [...] Lukewarm IQ detected in hotplug locking BUG: warning at kernel/cpu.c:38/lock_cpu_hotplug() (Tainted: P ) [<c04051ea>] show_trace_log_lvl+0x54/0xfd [<c04057a6>] show_trace+0xd/0x10 [<c04058bf>] dump_stack+0x19/0x1b [<c043f23f>] lock_cpu_hotplug+0x49/0x6f [<c05a22f8>] __cpufreq_driver_target+0x15/0x6d [<c05a3258>] cpufreq_governor_userspace+0x199/0x1cc [<c05a1d9f>] __cpufreq_governor+0x57/0xd8 [<c05a1fb7>] __cpufreq_set_policy+0x197/0x1a9 [<c05a2165>] store_scaling_governor+0x12d/0x15b [<c05a17f0>] store+0x37/0x48 [<c04a8cd4>] sysfs_write_file+0xab/0xd1 [<c0471f33>] vfs_write+0xab/0x157 [<c0472578>] sys_write+0x3b/0x60 [<c0403faf>] syscall_call+0x7/0xb Lukewarm IQ detected in hotplug locking BUG: warning at kernel/cpu.c:38/lock_cpu_hotplug() (Tainted: P ) [<c04051ea>] show_trace_log_lvl+0x54/0xfd [<c04057a6>] show_trace+0xd/0x10 [<c04058bf>] dump_stack+0x19/0x1b [<c043f23f>] lock_cpu_hotplug+0x49/0x6f [<c05a22f8>] __cpufreq_driver_target+0x15/0x6d [<c05a3258>] cpufreq_governor_userspace+0x199/0x1cc [<c05a1d9f>] __cpufreq_governor+0x57/0xd8 [<c05a1fb7>] __cpufreq_set_policy+0x197/0x1a9 [<c05a2165>] store_scaling_governor+0x12d/0x15b [<c05a17f0>] store+0x37/0x48 [<c04a8cd4>] sysfs_write_file+0xab/0xd1 [<c0471f33>] vfs_write+0xab/0x157 [<c0472578>] sys_write+0x3b/0x60 [<c0403faf>] syscall_call+0x7/0xb Version-Release number of selected component (if applicable): 2.6.17-1.2445.fc6 How reproducible: always Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: $ cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 43 model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ stepping : 1 cpu MHz : 1000.000 cache size : 512 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 1 wp : yes ]$ uname -a Linux localhost.localdomain 2.6.17-1.2445.fc6 #1 SMP Mon Jul 24 22:43:31 EDT 2006 i686 athlon i386 GNU/Linux
Created attachment 133002 [details] dmesg file
*** This bug has been marked as a duplicate of 197803 ***