Re: Possible dcache BUG

From: Andrew Morton
Date: Sun Sep 12 2004 - 02:52:48 EST


"Udo A. Steinberg" <us15@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Sun, 12 Sep 2004 00:16:26 -0700 Andrew Morton (AM) wrote:
>
> AM> Random guess: acpi_evaluate_object() is returning an error but is
> AM> allocating memory anyway.
> AM>
> AM> In acpi_battery_get_status():
> AM>
> AM> status = acpi_evaluate_object(battery->handle, "_BST", NULL, &buffer);
> AM> if (ACPI_FAILURE(status)) {
> AM> ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _BST\n"));
> AM> return_VALUE(-ENODEV);
> AM> }
> AM>
> AM> Is that failure path being taken?
>
> Is there a way for me to find that out without recompiling and rebooting?

Not sure. Looks like you need to set CONFIG_ACPI_DEBUG and then put the
right number into /proc/acpi/debug_layer.
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