On Altix (sn2) machines the "Error parsing MADT" message is
misleading because the lack of IOSAPIC entries is expected.
Since I am sure someone will ask, I have been told that
the chance of this changing anytime soon is close to nil.
Signed-off-by: George Beshers <[email protected]>
---
acpi.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff -purN linux-2.6.23/arch/ia64/kernel/acpi.c linux-2.6.23.b/arch/ia64/kernel/acpi.c
--- linux-2.6.23/arch/ia64/kernel/acpi.c 2007-10-09 16:31:38.000000000 -0400
+++ linux-2.6.23.b/arch/ia64/kernel/acpi.c 2007-10-09 21:43:29.283569798 -0400
@@ -678,9 +678,14 @@ int __init acpi_boot_init(void)
/* I/O APIC */
if (acpi_table_parse_madt
- (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
- printk(KERN_ERR PREFIX
- "Error parsing MADT - no IOSAPIC entries\n");
+ (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1) {
+ if (ia64_platform_is("sn2"))
+ printk(KERN_NOTICE
+ "SGI/SN machines do not have IOSAPIC entries\n");
+ else
+ printk(KERN_ERR PREFIX
+ "Error parsing MADT - no IOSAPIC entries\n");
+ }
/* System-Level Interrupt Routing */
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