abrt version: 2.0.1
cmdline: ro root=UUID=3facae76-b3d7-4856-b3bd-70b24bf34e67 rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet
component: kernel
reported_to: kerneloops: URL=http://submit.kerneloops.org/submitoops.php
kernel_tainted: 512
kernel: 2.6.38.4-20.fc15.x86_64
reason: WARNING: at arch/x86/kernel/dumpstack_64.c:129 dump_trace+0x2b9/0x305()
architecture: x86_64
package: kernel
os_release: Fedora release 15 (Lovelock)
time: 1304288297

comment
-----
Running

$ sudo sysprof-cli PROFILE

triggered this.

event_log
-----
2011-05-01-23:28:00> Submitting oops report to http://submit.kerneloops.org/submitoops.php
2011-05-01-23:28:01  Kernel oops report was uploaded

backtrace
-----
WARNING: at arch/x86/kernel/dumpstack_64.c:129 dump_trace+0x2b9/0x305()
Hardware name: Latitude D630                   
Perf: bad frame pointer = 0000000000000012 in callchain
Modules linked in: tcp_lp fuse cpufreq_ondemand acpi_cpufreq freq_table mperf 8021q garp stp llc arc4 snd_hda_codec_idt snd_hda_intel iwl3945 snd_hda_codec snd_hwdep snd_seq iwlcore mac80211 dell_wmi snd_seq_device sparse_keymap btusb dell_laptop snd_pcm microcode dcdbas bluetooth tg3 i2c_i801 joydev iTCO_wdt iTCO_vendor_support cfg80211 wmi snd_timer rfkill snd soundcore snd_page_alloc uinput ipv6 firewire_ohci firewire_core yenta_socket crc_itu_t nouveau ttm drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
Pid: 10300, comm: gnome-settings- Not tainted 2.6.38.4-20.fc15.x86_64 #1
Call Trace:
 <IRQ>  [<ffffffff810550fe>] ? warn_slowpath_common+0x83/0x9b
 [<ffffffff810551b9>] ? warn_slowpath_fmt+0x46/0x48
 [<ffffffff8147d695>] ? bad_to_user+0x6f/0x748
 [<ffffffff8100c429>] ? dump_trace+0x2b9/0x305
 [<ffffffff81210221>] ? elv_queue_empty+0x27/0x29
 [<ffffffff81019b80>] ? perf_callchain_kernel+0x5a/0x5c
 [<ffffffff810d3a00>] ? perf_prepare_sample+0xf2/0x1d2
 [<ffffffff8122a5df>] ? kobject_put+0x45/0x49
 [<ffffffff810d3c26>] ? __perf_event_overflow+0x146/0x191
 [<ffffffff81073f15>] ? sched_clock_local+0x12/0x75
 [<ffffffff810740a1>] ? sched_clock_cpu+0xbb/0xc6
 [<ffffffff810d426e>] ? perf_event_overflow+0x14/0x16
 [<ffffffff810d4303>] ? perf_swevent_hrtimer+0x93/0xd1
 [<ffffffff812f6cbe>] ? scsi_finish_command+0xe1/0xea
 [<ffffffff81475c30>] ? retint_careful+0xe/0x32
 [<ffffffff8122ebff>] ? timerqueue_del+0x59/0x6a
 [<ffffffff81071f88>] ? __run_hrtimer+0xb9/0x13f
 [<ffffffff810d4270>] ? perf_swevent_hrtimer+0x0/0xd1
 [<ffffffff8107268f>] ? hrtimer_interrupt+0xe1/0x1b5
 [<ffffffff8147bd16>] ? smp_apic_timer_interrupt+0x79/0x8c
 [<ffffffff8100a593>] ? apic_timer_interrupt+0x13/0x20
 <EOI>  [<ffffffff81475c30>] ? retint_careful+0xe/0x32