Description of problem: I get this error message every so often. As far as I know it has no impact on the system. Version-Release number of selected component (if applicable): kernel- How reproducible: It just happens every so often Steps to Reproduce: 1. Message printed in the dmesg 2. 3. Actual results: Expected results: Additional info: dmesg command output BUG: warning at kernel/cpu.c:56/unlock_cpu_hotplug() (Not tainted) [<c04051ee>] show_trace_log_lvl+0x58/0x159 [<c04057ea>] show_trace+0xd/0x10 [<c0405903>] dump_stack+0x19/0x1b [<c043f74c>] unlock_cpu_hotplug+0x35/0x5f [<f8a8a26b>] do_dbs_timer+0x123/0x164 [cpufreq_ondemand] [<c04335ba>] run_workqueue+0x7a/0xbb [<c0433eef>] worker_thread+0xd2/0x107 [<c0436459>] kthread+0xc3/0xf2 [<c0402005>] kernel_thread_helper+0x5/0xb DWARF2 unwinder stuck at kernel_thread_helper+0x5/0xb Leftover inexact backtrace: [<c04057ea>] show_trace+0xd/0x10 [<c0405903>] dump_stack+0x19/0x1b [<c043f74c>] unlock_cpu_hotplug+0x35/0x5f [<f8a8a26b>] do_dbs_timer+0x123/0x164 [cpufreq_ondemand] [<c04335ba>] run_workqueue+0x7a/0xbb [<c0433eef>] worker_thread+0xd2/0x107 [<c0436459>] kthread+0xc3/0xf2 [<c0402005>] kernel_thread_helper+0x5/0xb
Created attachment 135025 [details] /var/log/dmesg log file
Opps. Forgot to add the kernel version which is kernel-2.6.17-1.2586.fc6.
Reassigning to correct owner, kernel-maint.
should be fixed in kernel-2.6.17-2564.fc6. see bug 200740
scratch my last comment, see bug 207916 which the same traceback appear in kernel-2.6.17-2647.fc6. Dup to that bug instead. *** This bug has been marked as a duplicate of 207916 ***