Hi all!
If you still have this problem, try this patch. It helps :)
Signed-off-by : Matvejchikov Ilya <[EMAIL PROTECTED]>
---
diff -purN linux-2.4.34.5-vanilla/arch/ppc/kernel/cpm2_pic.c
linux-2.4.34.5/arch/ppc/kernel/cpm2_pic.c
--- linux-2.4.34.5-vanilla/arch/ppc/kernel/cpm2_pic.c 2007-06-06
23:20:53.000000000 +0400
+++ linux-2.4.34.5/arch/ppc/kernel/cpm2_pic.c 2007-06-28
12:17:42.000000000 +0400
@@ -79,6 +79,12 @@ static void cpm2_mask_and_ack(unsigned i
ppc_cached_irq_mask[word] &= ~(1 << (31 - bit));
simr[word] = ppc_cached_irq_mask[word];
sipnr[word] = 1 << (31 - bit);
+
+ /*
+ * Work around large numbers of spurious IRQs on PowerPC 82xx
+ * systems.
+ */
+ mb();
}
static void cpm2_end_irq(unsigned int irq_nr)
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