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
[43265.744562] Call Trace:
[43265.744571] [<ffffffff81004648>] dump_trace+0x88/0x300
[43265.744575] [<ffffffff8158043b>] dump_stack+0x69/0x6f
[43265.744579] [<ffffffff8103fdc9>] warn_slowpath_common+0x79/0xc0
[43265.744582] [<ffffffff8103fec5>] warn_slowpath_fmt+0x45/0x50
[43265.744585] [<ffffffff8147921d>] intel_unmap_page+0x15d/0x1c0
[43265.744596] [<ffffffffa06bd2f4>]
iwl_trans_rxq_free_rx_bufs+0x44/0xf0 [iwlwifi]
[43265.744629] [<ffffffffa06bf258>]
iwl_trans_pcie_start_fw+0x158/0x1020 [iwlwifi]
[43265.744652] [<ffffffffa06a5813>]
iwl_load_ucode_wait_alive+0x83/0x360 [iwlwifi]
[43265.744662] [<ffffffffa06a3dca>] iwlagn_mac_start+0x13a/0x240 [iwlwifi]
[43265.744676] [<ffffffffa05b6dbd>] ieee80211_do_open+0x24d/0xc40
[mac80211]
[43265.744690] [<ffffffff81497226>] __dev_open+0x96/0xf0
[43265.744694] [<ffffffff814974ba>] __dev_change_flags+0x9a/0x180
[43265.744697] [<ffffffff81497650>] dev_change_flags+0x20/0x70
[43265.744700] [<ffffffff814a2c79>] do_setlink+0x319/0x990
[43265.744704] [<ffffffff814a3386>] rtnl_setlink+0x96/0xf0
[43265.744706] [<ffffffff814a456c>] rtnetlink_rcv_msg+0x10c/0x310
[43265.744709] [<ffffffff814bdd19>] netlink_rcv_skb+0xa9/0xc0
[43265.744712] [<ffffffff814a2218>] rtnetlink_rcv+0x18/0x20
[43265.744715] [<ffffffff814bd6a0>] netlink_unicast+0x1a0/0x1f0
[43265.744719] [<ffffffff814bd9cf>] netlink_sendmsg+0x2df/0x360
[43265.744723] [<ffffffff8147ded6>] sock_sendmsg+0x106/0x150
[43265.744726] [<ffffffff8147f70e>] __sys_sendmsg+0x37e/0x390
[43265.744729] [<ffffffff814815a4>] sys_sendmsg+0x44/0x80
[43265.744732] [<ffffffff8159313d>] system_call_fastpath+0x1a/0x1f
[43265.744737] [<00007f8bb51e97cd>] 0x7f8bb51e97cc
[43265.744739] ---[ end trace a3c6e6a98003726c ]---
Will be cool if someone can take a look at this ;)
(plz cc me your replies)
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