On 21/05/12 01:12, Emmanuel Grumbach wrote:
On Sat, May 19, 2012 at 10:31 PM, Cristian Rodríguez
<crrodriguez@xxxxxxxxxxxx> 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..
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