From: "Cristian Rodríguez" <crrodriguez@opensuse.org>
To: Emmanuel Grumbach <egrumbach@gmail.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: iwlwifi: Driver unmaps unmatched page at PFN ffe70000
Date: Mon, 21 May 2012 03:30:54 -0400 [thread overview]
Message-ID: <4FB9EF2E.3000900@opensuse.org> (raw)
In-Reply-To: <CANUX_P3_LMpXaBXYVwfB+UiqwZeAhZ+1ErLtgXO3ejCMaCtHLw@mail.gmail.com>
On 21/05/12 01:12, Emmanuel Grumbach wrote:
> On Sat, May 19, 2012 at 10:31 PM, Cristian Rodríguez
> <crrodriguez@opensuse.org> wrote:
>>
>> On resume, I get the following warning
>>
>> [43265.744510] ------------[ cut here ]------------
>> [43265.744516] WARNING: at
>> /usr/src/linux-3.4.0-rc7-2/drivers/iommu/intel-iommu.c:2922
>> intel_unmap_page+0x15d/0x1c0()
>> [43265.744518] Hardware name: Dell System XPS 15Z
>> [43265.744519] Driver unmaps unmatched page at PFN ffe70000
>> [43265.744520] Modules linked in: fuse rfcomm af_packet bnep arc4 iwlwifi
>> btusb bluetooth mac80211 snd_hda_codec_hdmi snd_hda_codec_realtek
>> dell_laptop dcdbas kvm_intel snd_hda_intel snd_hda_codec kvm cfg80211
>> snd_hwdep uvcvideo snd_pcm snd_timer videobuf2_core snd videodev sr_mod
>> mei(C) edd sg cdrom soundcore videobuf2_vmalloc coretemp rfkill dell_wmi
>> iTCO_wdt i2c_i801 videobuf2_memops microcode snd_page_alloc sparse_keymap
>> battery pcspkr ac iTCO_vendor_support autofs4 sha256_generic dm_crypt dm_mod
>> linear btrfs zlib_deflate libcrc32c nouveau ttm mxm_wmi ghash_clmulni_intel
>> crc32c_intel i915 wmi drm_kms_helper drm i2c_algo_bit xhci_hcd button video
>> aesni_intel cryptd aes_x86_64 fan thermal processor thermal_sys
>> [43265.744560] Pid: 2378, comm: NetworkManager Tainted: G C
>> 3.4.0-rc7-2-desktop-test #1
>
> Can you please give a try to this one ?
>
> http://www.spinics.net/lists/linux-wireless/msg90507.html
Hi:
Ok, I applied that patch to this kernel with an slight modification
(there are no txq->entries but txq->skbs on this version)
the system works, however trying to reproduce this problem again might
not be so easy, according to my logs, this warning has happened only 4
times in 5 months..
next prev parent reply other threads:[~2012-05-21 7:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-19 19:31 iwlwifi: Driver unmaps unmatched page at PFN ffe70000 Cristian Rodríguez
2012-05-21 5:12 ` Emmanuel Grumbach
2012-05-21 7:30 ` Cristian Rodríguez [this message]
2012-05-21 9:29 ` Emmanuel Grumbach
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