hi-
I saw this during first post-install startup and after the 100+ updates. This happens with SELinux enabled and disabled.
Running Acer Aspire 5601AWLMi laptop (recent system w/ 2 cores). The same problem seemed to exist in FC6T2.
excerpt from syslog:
SELinux: Disabled at runtime. SELinux: Unregistering netfilter hooks audit(1158578803.220:2): selinux=0 auid=4294967295 BUG: warning at kernel/lockdep.c:1816/trace_hardirqs_on() (Not tainted) [<c04051ee>] show_trace_log_lvl+0x58/0x171 [<c0405802>] show_trace+0xd/0x10 [<c040591b>] dump_stack+0x19/0x1b [<c043acba>] trace_hardirqs_on+0xa2/0x11e [<c0615603>] _spin_unlock_irq+0x22/0x26 [<c0541778>] rtc_get_rtc_time+0x32/0x176 [<c0419ba4>] hpet_rtc_interrupt+0x92/0x14d [<c04511b4>] handle_IRQ_event+0x20/0x4d [<c0451275>] __do_IRQ+0x94/0xef [<c040678d>] do_IRQ+0x9e/0xbd [<c0404a49>] common_interrupt+0x25/0x2c DWARF2 unwinder stuck at common_interrupt+0x25/0x2c Leftover inexact backtrace: