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Date:      Fri, 24 Mar 2006 14:40:27 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        Oleg Sharoiko <os@rsu.ru>
Cc:        freebsd-scsi@freebsd.org, Andrey Beresovsky <and@rsu.ru>
Subject:   Re: Boot hangs on ips0: resetting adapter, this may take up to 5 minutes
Message-ID:  <200603241440.30487.jhb@freebsd.org>
In-Reply-To: <20060324192302.P797@brain.cc.rsu.ru>
References:  <20060215102749.D58480@brain.cc.rsu.ru> <200603241057.59460.jhb@freebsd.org> <20060324192302.P797@brain.cc.rsu.ru>

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On Friday 24 March 2006 13:12, Oleg Sharoiko wrote:
> 
> On Fri, 24 Mar 2006, John Baldwin wrote:
> 
> JB>Hmm, well that interrupt storm is not due to a misrouted interrupt, it
> JB>might be a bug in the bge(4) driver.  Can you try compiling a kernel w/o
> JB>USB and seeing if you can still reproduce the interrupt storm?
> 
> Yes.
> 
> db> show intrcnt
> irq1: atkbd0            2
> irq4: sio0              3672
> irq6: fdc0              6
> irq9: acpi0             1
> irq14: ata0             36
> irq16: bge0             2592958
> irq28: ips0             728
> cpu0: timer             143147

Hmm, you might need to look at bge(4) and figure out what condition it
is interrupting on, and why the driver isn't handling that condition.

> John, can you tell anything about another case, for which interrupt 
> counters are:
> 
> db> show intrcnt
> irq1: atkbd0            1
> irq4: sio0              3
> irq6: fdc0              2
> irq9: acpi0             345147
> irq14: ata0             1
> cpu0: timer             57995
> 
> Does this also show an interrupt storm? This one has happened without bge 
> in kernel. I'm asking because I've seen several different scenarios of 
> hangs and this is from one of them. I'll try to reproduce all cases and 
> gather interrupt statistics from all of them. I'm wondering can't all this 
> cases be caused by one common reason behind all of them.

This just looks like you aren't getting interrups from devices at all.

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org



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