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Date:	Sun, 05 Nov 2006 22:04:31 -0600
From:	Alberto Alonso <>
To:	Mark Lord <>
Subject: Re: qstor driver -> irq 193: nobody cared

I have patched the system. I'll let you know if I get the
same problem. Since I can't reproduce it on demand I may not see
the problem for months. I don't know what happened the other day
when it just started to happen repeatedly, I haven't had the issue



On Sat, 2006-11-04 at 13:39 -0500, Mark Lord wrote:
> Alberto Alonso wrote:
> > I have a Pacific Digital qstor card on irq 193. I am using kernel
> > SMP
> > 
> > The error happens every now and then. I have not been able to
> > figure out any triggers and I can not reproduce it on demand. Today
> > it happened 3 times within a 40 minutes period. 
> > 
> > All disks connected to the card are disabled and I can't do anything
> > other than a reboot to get them back.
> > 
> > It is reported as follows:
> > 
> > irq 193: nobody cared (try booting with the "irqpoll" option)
> >  <c013e19a> __report_bad_irq+0x2a/0xa0  <c013d970> handle_IRQ_event
> > +0x30/0x70
> >  <c013e2b0> note_interrupt+0x80/0xf0  <c013da8c> __do_IRQ+0xdc/0xf0
> >  <c0105799> do_IRQ+0x19/0x30  <c010391a> common_interrupt+0x1a/0x20
> >  <c0100d91> default_idle+0x41/0x70  <c0100e60> cpu_idle+0x80/0x90
> >  <c046699d> start_kernel+0x18d/0x1d0  <c0466330> unknown_bootoption
> > +0x0/0x1d0
> > handlers:
> > [<c0301300>] (qs_intr+0x0/0x220)
> > Disabling IRQ #193
> What other devices are routed to that same interrupt line?
> The sata_qstor driver is very rigorous in acknowledging *only* it's own
> interrupts, to prevent other devices sharing the same IRQ from losing theirs.
> Mmm.. We could apply a bit of fuzzy tolerance for the odd glitch.
> Try this patch (attached) and report back.
> Thanks.
Alberto Alonso                        Global Gate Systems LLC.
(512) 351-7233              
Hardware, consulting, sysadmin, monitoring and remote backups

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