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Date: Mon, 5 May 2003 14:16:01 -0700
From: Andrew Morton <akpm@digeo.com>
To: Nicolas <linux@1g6.biz>
Cc: linux-kernel@vger.kernel.org, "Grover, Andrew" <andrew.grover@intel.com>
Subject: Re: oops 2.5.68 ohci1394/ IRQ/acpi
Message-Id: <20030505141601.7537365a.akpm@digeo.com>
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Nicolas <linux@1g6.biz> wrote:
>
> 
> May  5 13:36:56 hal9003 kernel: irq 9: nobody cared!
> ...
> May  5 13:36:56 hal9003 kernel: handlers:
> May  5 13:36:56 hal9003 kernel: [acpi_irq+0/17] (acpi_irq+0x0/0x11)
> May  5 13:36:56 hal9003 kernel: [<c01c1ff0>] (acpi_irq+0x0/0x11)

Look like the ACPI IRQ handler isn't returning an appropriate value.

Can you test this patch?

diff -puN drivers/acpi/osl.c~acpi-irq-ret-fix drivers/acpi/osl.c
--- 25/drivers/acpi/osl.c~acpi-irq-ret-fix	Mon May  5 14:14:24 2003
+++ 25-akpm/drivers/acpi/osl.c	Mon May  5 14:14:38 2003
@@ -237,7 +237,7 @@ acpi_os_table_override (struct acpi_tabl
 static irqreturn_t
 acpi_irq(int irq, void *dev_id, struct pt_regs *regs)
 {
-	return (*acpi_irq_handler)(acpi_irq_context);
+	return (*acpi_irq_handler)(acpi_irq_context) ? IRQ_HANDLED : IRQ_NONE;
 }
 
 acpi_status

_