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Date: Mon, 21 Sep 2009 21:47:40 -0400
From: Pierre-Luc Drouin <pldrouin@pldrouin.net>
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Subject: Re: IRQ storm when trying to burn a CD/DVD with JMicron JMB363
 controller and PATA DVD burner
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Hi,

so does anybody know what could be wrong with this?
Thanks!
Pierre-Luc Drouin

Pierre-Luc Drouin wrote:
> Hi,
>
> My motherboard (EVGA X58 Classified) has a JMicron JMB363 SATA300/PATA 
> controller and it seems to be working fine with FreeBSD as long as I 
> don't try burning a DVD or a CD with my PATA DVD burner, which is the 
> only device hooked to the controller. However, when I try burning a CD 
> or a DVD with either cdrecord or growisofs, I get the following:
>
> interrupt storm detected on "irq17:"; throttling interrupt source
> interrupt storm detected on "irq17:"; throttling interrupt source
> interrupt storm detected on "irq17:"; throttling interrupt source
> interrupt storm detected on "irq17:"; throttling interrupt source
> interrupt storm detected on "irq17:"; throttling interrupt source
> interrupt storm detected on "irq17:"; throttling interrupt source
> interrupt storm detected on "irq17:"; throttling interrupt source
> interrupt storm detected on "irq17:"; throttling interrupt source
> ...
>
> I have seen a few emails on the mailing lists from people having the 
> exact same issue with this controller 2 years ago, but I could not 
> find any helpful reply. Is there any workaround for this?
>
> Thanks!
>