Messages in this thread | | | Date | Thu, 8 Jun 2006 21:59:35 +0200 | From | Paolo Ornati <> | Subject | Re: BUG: warning at kernel/lockdep.c:2427/check_flags() |
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On Thu, 8 Jun 2006 21:38:09 +0200 Paolo Ornati <ornati@fastwebnet.it> wrote:
> After some hours running 2.6.17-rc6-mm1 + combo-patch I've got this: > > [12138.880686] BUG: warning at kernel/lockdep.c:2427/check_flags() > [12138.880692] > [12138.880693] Call Trace: > [12138.880702] [<ffffffff80240374>] check_flags+0x86/0x201 > [12138.880707] [<ffffffff80240873>] lock_acquire+0x2f/0xa3 > [12138.880713] [<ffffffff8025fcae>] sys_munmap+0x5e/0xa7 > [12138.880719] [<ffffffff8020944e>] system_call+0x7e/0x83 > [12138.880723] > [12138.880725] irq event stamp: 18146 > [12138.880728] hardirqs last enabled at (18145): [<ffffffff8049dffc>] _spin_unlock_irq+0x28/0x50 > [12138.880734] hardirqs last disabled at (18146): [<ffffffff8049d61e>] trace_hardirqs_off_thunk+0x35/0x67 > [12138.880742] softirqs last enabled at (18112): [<ffffffff8022c1ae>] __do_softirq+0xb2/0xba > [12138.880748] softirqs last disabled at (18105): [<ffffffff8020a2c2>] call_softirq+0x1e/0x28 > > > I don't know if/how it is reproducible.
Wow, now I can reproduce it easly :)
Just run under "gdb" a program that segfaults:
void main(void) { *(int*)(0) = 1; }
and it will trigger.
-- Paolo Ornati Linux 2.6.17-rc6-mm1-lockdep on x86_64 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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