Am 17.03.2008 13:23 schrieb Peter Zijlstra: > On Sun, 2008-03-16 at 13:11 -0700, Dave Hansen wrote: > >>> ACPI: Core revision 20070126 >>> +INFO: trying to register non-static key. >>> +the code is fine but needs lockdep annotation. >>> +turning off the locking correctness validator. >>> +Pid: 0, comm: swapper Not tainted 2.6.25-rc5-mm1-testing #3 >>> + [<c014321e>] __lock_acquire+0x144/0xb6e >>> + [<c010b1a2>] ? native_sched_clock+0xe0/0xff >>> + [<c017fc57>] ? kmem_cache_alloc+0x89/0xc9 >>> + [<c0142ce0>] ? trace_hardirqs_on+0xe8/0x11d >>> + [<c014404f>] lock_acquire+0x6a/0x90 >>> + [<c013b460>] ? down_trylock+0xc/0x27 >>> + [<c03016cb>] _spin_lock_irqsave+0x42/0x72 >>> + [<c013b460>] ? down_trylock+0xc/0x27 >>> + [<c013b460>] down_trylock+0xc/0x27 >>> + [<c021fa65>] acpi_os_wait_semaphore+0x67/0x13d >>> + [<c023a39e>] acpi_ut_acquire_mutex+0x65/0xcf >>> + [<c0230261>] acpi_ns_root_initialize+0x1a/0x289 >>> + [<c043ad54>] acpi_initialize_subsystem+0x47/0x6a >>> + [<c043afd4>] acpi_early_init+0x57/0xf8 >>> + [<c04248ff>] start_kernel+0x34d/0x35a >>> + [<c0424019>] i386_start_kernel+0x8/0xa >>> + ======================= >>> ACPI: Checking initramfs for custom DSDT [...] > Looks like another of the semaphore thingies.. Does this go away once > you apply the semaphore lockdep fixup from here: > > http://lkml.org/lkml/2008/3/12/63 Yes, it does. With that patch on top of Dave's, I see no stack backtraces in dmesg anymore. HTH T. -- Tilman Schmidt E-Mail: tilman@xxxxxxx Bonn, Germany Diese Nachricht besteht zu 100% aus wiederverwerteten Bits. Ungeöffnet mindestens haltbar bis: (siehe Rückseite)
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