Re: irq 7: nobody cared! (intel8x0 sound / 2.6.2-rc3-mm1)

[Takashi Iwai]

At Fri, 06 Feb 2004 18:19:52 +0200,
Lenar Lõhmus wrote:
> 
> Got this when tried to run mplayer (mplayer played something audible for 
> 1 sec and then stalled):
> 
> irq 7: nobody cared!
> Call Trace:
>  [<c010c0f4>] __report_bad_irq+0x24/0x80
>  [<c010c1d1>] note_interrupt+0x61/0x90
>  [<c010c46d>] do_IRQ+0x10d/0x120
>  [<c0279e1c>] common_interrupt+0x18/0x20
>  [<c010c093>] handle_IRQ_event+0x23/0x60
>  [<c010c3e3>] do_IRQ+0x83/0x120
>  [<c0279e1c>] common_interrupt+0x18/0x20
> 
> handlers:
> [<f99a1720>] (snd_intel8x0_interrupt+0x0/0x1e0 [snd_intel8x0])
> Disabling IRQ #7
> 
> sound module in use is intel8x0 as seen above. Chip itself is nforce2
> integrated audio.

could you check the status register value when this happens with the
attached patch?


--
Takashi Iwai <tiwai@xxxxxxx>		ALSA Developer - www.alsa-project.org
--- linux/sound/pci/intel8x0.c	6 Feb 2004 17:47:49 -0000	1.115
+++ linux/sound/pci/intel8x0.c	9 Feb 2004 18:49:02 -0000
@@ -807,6 +807,7 @@
 		if (status)
 			iputdword(chip, chip->int_sta_reg, status);
 		spin_unlock(&chip->reg_lock);
+		printk(KERN_DEBUG "intel8x0: ignored irq, status = 0x%x, sta_mask = 0x%x\n", status, chip->int_sta_mask);
 		return IRQ_NONE;
 	}