Messages in this thread Patch in this message | | | Date | Mon, 23 Aug 2004 18:41:16 -0400 (EDT) | From | Zwane Mwaikambo <> | Subject | Re: [PATCH] Oops and panic while unloading holder of pm_idle |
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On Thu, 19 Aug 2004, BlaisorBlade wrote:
> (CC me on replies as I'm not subscribed). > > A short description, with my hypothesis about how the panic() happened:
There is a short one liner for this which is already in the latest kernel;
Index: linux-2.6.8-rc1-mm1/drivers/acpi/processor.c =================================================================== RCS file: /home/cvsroot/linux-2.6.8-rc1-mm1/drivers/acpi/processor.c,v retrieving revision 1.1.1.1 diff -u -p -B -r1.1.1.1 processor.c --- linux-2.6.8-rc1-mm1/drivers/acpi/processor.c 14 Jul 2004 04:56:25 -0000 1.1.1.1 +++ linux-2.6.8-rc1-mm1/drivers/acpi/processor.c 20 Jul 2004 15:31:46 -0000 @@ -2372,8 +2372,10 @@ acpi_processor_remove ( pr = (struct acpi_processor *) acpi_driver_data(device);
/* Unregister the idle handler when processor #0 is removed. */ - if (pr->id == 0) + if (pr->id == 0) { pm_idle = pm_idle_save; + synchronize_kernel(); + }
status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY, acpi_processor_notify); - 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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