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ACPI: add dump_stack() to trace acpi_format_exception programming errors

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Dump the stack so we can find the secretive caller to acpi_format_exception().

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Andrew Morton 2007-08-25 01:28:20 -04:00 committed by Len Brown
parent b3e572d2eb
commit 3e0d69ecf0
1 changed files with 1 additions and 0 deletions
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drivers/acpi/utilities/utglobal.c
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@ -126,6 +126,7 @@ const char *acpi_format_exception(acpi_status status)
"Unknown exception code: 0x%8.8X", status));
exception = "UNKNOWN_STATUS_CODE";
dump_stack();
}
return (ACPI_CAST_PTR(const char, exception));