Date: Mon, 30 Apr 2012 16:58:04 +0200
From: Antonio Quartulli <ordex@autistici.org>
To: linux-wireless@vger.kernel.org
Subject: Re: iwlwifi warn_slowpath with 3.*
Message-ID: <20120430145803.GE2630@ritirata.org> (sfid-20120430_165739_918485_542ADA50)
References: <20120422182928.GA2854@ritirata.org>
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On Sun, Apr 22, 2012 at 08:29:29PM +0200, Antonio Quartulli wrote:
> Hello,
>=20
> since linux-3.0 (I don't remember if it was the case even before), I'm ge=
tting
> this output in dmesg:
>=20
> [   53.662990] ------------[ cut here ]------------
> [   53.663016] WARNING: at drivers/iommu/intel-iommu.c:2911
> intel_unmap_page+0x14b/0x180()
> [   53.663047] Hardware name: Latitude E5420
> [   53.663066] Driver unmaps unmatched page at PFN ffd1a000


I see that I always get the same addr passed to the unmap function:

[   23.950535] Driver unmaps unmatched page at PFN ffd1a000

is it a coincidence?
I'm running linux-3.3.3 right now. I can try wireless-testing if it would h=
elp.

Cheers,


--=20
Antonio Quartulli

=2E.each of us alone is worth nothing..
Ernesto "Che" Guevara

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