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SubjectRe: sdhci: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter - disabling IRQ
On Sat, Jul 19, 2008 at 01:55:31AM +0200, Pierre Ossman wrote:
>On Fri, 11 Jul 2008 18:47:06 +0200 David Härdeman <david@hardeman.nu> wrote:
>> On Thu, Jul 10, 2008 at 08:34:57AM +0200, Pierre Ossman wrote:
>> >And can you give me a complete
>> >dmesg dump. The sdhci hardware might not be the culprit, but just a
>> >trigger in that it enables that interrupt line.
>>
>> Attached below....and /proc/interrupts says:
>>
>
>I see that you have an iwl4965. I got this precise problem when I
>toggled the rfkill switch on my laptop. It is fixed in 2.6.26 though.
>Could you try upgrading the kernel and see if it's the same bug?

Unfortunately the problem is still present with 2.6.26 (Debian package
linux-image-2.6.26-1-amd64):

[ 640.407901] irq 19: nobody cared (try booting with the "irqpoll" option)
[ 640.407906] Pid: 0, comm: swapper Not tainted 2.6.26-1-amd64 #1
[ 640.407908]
[ 640.407909] Call Trace:
[ 640.407910] <IRQ> [<ffffffff8026c46b>] __report_bad_irq+0x30/0x72
[ 640.407937] [<ffffffff8026c6aa>] note_interrupt+0x1fd/0x23b
[ 640.407945] [<ffffffff8026cf33>] handle_fasteoi_irq+0xa5/0xc8
[ 640.407951] [<ffffffff8020f590>] do_IRQ+0x6d/0xd9
[ 640.407956] [<ffffffff8020c43d>] ret_from_intr+0x0/0x19
[ 640.407958] <EOI> [<ffffffff8021e480>] hpet_legacy_next_event+0x0/0x34
[ 640.407974] [<ffffffffa002f46e>] :processor:acpi_idle_enter_simple+0x18d/0x1ff
[ 640.407983] [<ffffffff803a704c>] cpuidle_idle_call+0x7a/0xb2
[ 640.407986] [<ffffffff803a6fd2>] cpuidle_idle_call+0x0/0xb2
[ 640.407989] [<ffffffff8020ac79>] cpu_idle+0x89/0xb3
[ 640.408003]
[ 640.408004] handlers:
[ 640.408005] [<ffffffffa012e9ab>] (sdhci_irq+0x0/0x5de [sdhci])
[ 640.408010] Disabling IRQ #19

--
David Härdeman
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