From: Matthew Garrett <[email protected]> commit 68b58e95510b2f4d923c2916612e6b81ab74beb1 upstream
Bit 0 of the support parameter to the OSC call should be set in order to indicate that the OS supports the WHEA mechanism. Stuart Hayes tracked an APEI issue on some Dell platforms down to this. Reported-by: Stuart Hayes <[email protected]> Signed-off-by: Matthew Garrett <[email protected]> Signed-off-by: Len Brown <[email protected]> Signed-off-by: Stephen Hemminger <[email protected]> --- drivers/acpi/apei/apei-base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/acpi/apei/apei-base.c 2012-05-21 17:24:42.128593952 -0700 +++ b/drivers/acpi/apei/apei-base.c 2012-05-21 17:24:42.772601338 -0700 @@ -617,7 +617,7 @@ int apei_osc_setup(void) }; capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE; - capbuf[OSC_SUPPORT_TYPE] = 0; + capbuf[OSC_SUPPORT_TYPE] = 1; capbuf[OSC_CONTROL_TYPE] = 0; if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)) -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
