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Date:      Tue, 28 Aug 2012 11:56:56 +0300
From:      Konstantin Belousov <kostikbel@gmail.com>
To:        Alexey Dokuchaev <danfe@nsu.ru>
Cc:        freebsd-stable@freebsd.org, Jung-uk Kim <jkim@freebsd.org>, freebsd-usb@freebsd.org, Hans Petter Selasky <hselasky@c2i.net>
Subject:   Re: Resume broken in 8.3-PRERELEASE
Message-ID:  <20120828085656.GI33100@deviant.kiev.zoral.com.ua>
In-Reply-To: <20120828020750.GA61543@regency.nsu.ru>
References:  <20120227152238.GA2940@regency.nsu.ru> <201203050710.22871.hselasky@c2i.net> <20120827125943.GA68575@regency.nsu.ru> <201208271734.54814.hselasky@c2i.net> <20120828020750.GA61543@regency.nsu.ru>

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On Tue, Aug 28, 2012 at 09:07:51AM +0700, Alexey Dokuchaev wrote:
> On Mon, Aug 27, 2012 at 05:34:54PM +0200, Hans Petter Selasky wrote:
> > If the USB HC is feeding too many such IRQ's it will be stuck. However,
> > if you see that "uhub_read_port_status()" is called, the kernel is at l=
east
> > running, though it might be that some IRQ is stuck, hence the 100% CPU
> > usage. Could you try to get some IRQ stats?
>=20
> Before zzz'ing:
>=20
> db> show intrcnt
> irq1: atkbd0		168
> irq9: acpi0		8300
> irc12: psm0		2
> irq14: ata0		6301
> irq16: bge0 uhci3	13
> irq23: uhci0 ehci0	2
> cpu0: timer		7306385
> irq256: hdac0		30
>=20
> After (within a minute after botched resume)
>=20
> db> show intrcnt
> irq1: atkbd0		479
> irq9: cdpi0		8379
Was the output pasted verbatim ? I am curious about the irq9 name mangling
in the second paste.

> irc12: psm0		2
> irq14: ata0		6377
> irq16: bge0 uhci3	26
> irq23: uhci0 ehci0	5
> cpu0: timer		7731880
> irq256: hdac0		34
>=20
> Not too much difference.  Anything else I might get from DDB?  Unfortunat=
ely,
> I am yet unable to save crashdump for later gdb analysis.
>=20
> ./danfe
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
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