Messages in this thread | | | Date | Wed, 20 Sep 2006 10:21:35 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] rtc: lockdep fix |
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* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> 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 > [<c043abee>] trace_hardirqs_on+0xa2/0x11e > [<c06143c3>] _spin_unlock_irq+0x22/0x26 > [<c0541540>] rtc_get_rtc_time+0x32/0x176 > [<c0419ba4>] hpet_rtc_interrupt+0x92/0x14d > [<c0450f94>] handle_IRQ_event+0x20/0x4d > [<c0451055>] __do_IRQ+0x94/0xef > [<c040678d>] do_IRQ+0x9e/0xbd > [<c0404a49>] common_interrupt+0x25/0x2c
ouch! That is a scenario that could lead to real lockups. Fix looks good and necessary for v2.6.18 to me.
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Ingo Molnar <mingo@elte.hu>
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