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[KeithG <1324935@xxxxxxxxxxxxxxxxxx>]

I loaded 12.04 amd64 on it this morning. This appears to work correctly.
I can suspend and resume with no issues. There is no warning in the log
other than the 'duplicate interface' which does not seem to affect
anything. I have not upgraded anything, just installed xubuntu 12.04
then installed the wifi driver and chrome.

uname -a
Linux Inspiron-1525 3.2.0-58-generic #88-Ubuntu SMP Tue Dec 3 17:37:58 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

lsmod
Module                  Size  Used by
michael_mic            12612  4 
arc4                   12529  2 
rfcomm                 47604  4 
bnep                   18281  2 
bluetooth             180113  10 rfcomm,bnep
parport_pc             32866  0 
ppdev                  17113  0 
snd_hda_codec_idt      70795  1 
snd_hda_codec_hdmi     32530  1 
joydev                 17693  0 
lib80211_crypt_tkip    17390  0 
wl                   3074895  0 
snd_hda_intel          33719  4 
snd_hda_codec         127706  3 snd_hda_codec_idt,snd_hda_codec_hdmi,snd_hda_intel
snd_hwdep              17764  1 snd_hda_codec
snd_pcm                97275  3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_seq_midi           13324  0 
snd_rawmidi            30748  1 snd_seq_midi
dell_wmi               12681  0 
sparse_keymap          13890  1 dell_wmi
snd_seq_midi_event     14899  1 snd_seq_midi
snd_seq                61929  2 snd_seq_midi,snd_seq_midi_event
dell_laptop            18119  0 
snd_timer              29990  2 snd_pcm,snd_seq
dcdbas                 14490  1 dell_laptop
snd_seq_device         14540  3 snd_seq_midi,snd_rawmidi,snd_seq
snd                    79041  18 snd_hda_codec_idt,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
cfg80211              205774  1 wl
lib80211               14381  2 lib80211_crypt_tkip,wl
psmouse                97519  0 
serio_raw              13211  0 
soundcore              15091  1 snd
snd_page_alloc         18529  2 snd_hda_intel,snd_pcm
uvcvideo               72627  0 
videodev               98259  1 uvcvideo
v4l2_compat_ioctl32    17128  1 videodev
mac_hid                13253  0 
i915                  478471  3 
drm_kms_helper         46978  1 i915
wmi                    19256  1 dell_wmi
drm                   241971  4 i915,drm_kms_helper
i2c_algo_bit           13423  1 i915
video                  19651  1 i915
lp                     17799  0 
parport                46562  3 parport_pc,ppdev,lp
sky2                   59043  0 

** Attachment added: "dmesg output"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1324935/+attachment/4123778/+files/12_04_64_dmesg.txt

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https://bugs.launchpad.net/bugs/1324935

Title:
  [Dell Inspiron 1525] WARNING: CPU: 1 PID: 1154 at
  /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9226
  intel_modeset_check_state+0x62d/0x780 [i915]()

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Dmesg is filled with this:
  [32582.450283] ------------[ cut here ]------------
  [32582.450302] WARNING: CPU: 1 PID: 1154 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9226 intel_modeset_check_state+0x62d/0x780 [i915]()
  [32582.450304] encoder's hw state doesn't match sw tracking (expected 0, found 1)
  [32582.450306] Modules linked in: nfsv3 ctr ccm rfcomm bnep bluetooth rpcsec_gss_krb5 nfsv4 binfmt_misc nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache arc4 gpio_ich dell_wmi sparse_keymap uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev dell_laptop dcdbas snd_hda_codec_idt snd_hda_codec_hdmi b43 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm bcma coretemp snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi joydev snd_seq serio_raw mac80211 snd_seq_device snd_timer snd lpc_ich cfg80211 ssb_hcd soundcore mac_hid wmi parport_pc ppdev lp parport psmouse ahci libahci sky2 ssb i915 video i2c_algo_bit drm_kms_helper drm
  [32582.450357] CPU: 1 PID: 1154 Comm: Xorg Tainted: G        W    3.13.0-27-generic #50-Ubuntu
  [32582.450359] Hardware name: Dell Inc. Inspiron 1525                   /0U990C, BIOS A17 10/27/2009
  [32582.450361]  0000000000000009 ffff88000003bb68 ffffffff817199c4 ffff88000003bbb0
  [32582.450365]  ffff88000003bba0 ffffffff810676bd ffff88000003bc20 0000000000000001
  [32582.450369]  ffff88003684c800 ffff88003684caf8 ffff8800364a9800 ffff88000003bc00
  [32582.450373] Call Trace:
  [32582.450378]  [<ffffffff817199c4>] dump_stack+0x45/0x56
  [32582.450381]  [<ffffffff810676bd>] warn_slowpath_common+0x7d/0xa0
  [32582.450384]  [<ffffffff8106772c>] warn_slowpath_fmt+0x4c/0x50
  [32582.450405]  [<ffffffffa012fd25>] ? intel_sdvo_get_hw_state+0x55/0xc0 [i915]
  [32582.450423]  [<ffffffffa011a16d>] intel_modeset_check_state+0x62d/0x780 [i915]
  [32582.450441]  [<ffffffffa011a355>] intel_set_mode+0x25/0x30 [i915]
  [32582.450459]  [<ffffffffa011abfb>] intel_crtc_set_config+0x7ab/0x9a0 [i915]
  [32582.450463]  [<ffffffff810428ad>] ? lapic_next_event+0x1d/0x30
  [32582.450477]  [<ffffffffa000fe9d>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
  [32582.450492]  [<ffffffffa0012d87>] drm_mode_setcrtc+0xf7/0x5e0 [drm]
  [32582.450503]  [<ffffffffa0003c22>] drm_ioctl+0x502/0x630 [drm]
  [32582.450508]  [<ffffffff81077dd2>] ? __set_task_blocked+0x32/0x70
  [32582.450513]  [<ffffffff811cf810>] do_vfs_ioctl+0x2e0/0x4c0
  [32582.450517]  [<ffffffff8109dd84>] ? vtime_account_user+0x54/0x60
  [32582.450520]  [<ffffffff811cfa71>] SyS_ioctl+0x81/0xa0
  [32582.450524]  [<ffffffff8172a5bf>] tracesys+0xe1/0xe6
  [32582.450526] ---[ end trace 8e8416ac0cd5b971 ]---

  Resume results in black screen. Graphics can appear completely messed
  up (i.e. torn last jpg viewed over top of latest jpg). This happens in
  Ubuntu 13.10 and 14.04. It happens with: no intel drivers installed,
  and with or without the i915 and intel_agp modules explicitly enabled
  in /etc/initramfs-tools/modules.

  WORKAROUND: Using the following kernel parameters I no longer get the message in the log, the video does not appear to be as crisp somehow, but I can suspend and wake from the command:
  linemodeset=0 video.allow_duplicates=1

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-27-generic 3.13.0-27.50
  ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
  Uname: Linux 3.13.0-27-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kgrider    2212 F.... pulseaudio
  Date: Fri May 30 08:03:14 2014
  HibernationDevice: RESUME=UUID=4957c02d-b4ca-4dce-8983-450640c97f46
  MachineType: Dell Inc. Inspiron 1525
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic root=UUID=7682c6bb-cf2f-413f-9243-eab8172b5bbc ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-27-generic N/A
   linux-backports-modules-3.13.0-27-generic  N/A
   linux-firmware                             1.127.2
  RfKill:
   0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-05-30 (0 days ago)
  WifiSyslog:
   May 30 06:59:26 Inspiron-1525 NetworkManager[938]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted
   May 30 07:11:21 Inspiron-1525 wpa_supplicant[1092]: message repeated 29 times: [ wlan0: CTRL-EVENT-SCAN-STARTED ]
   May 30 07:13:02 Inspiron-1525 wpa_supplicant[1092]: wlan0: WPA: Group rekeying completed with 10:0d:7f:52:8a:71 [GTK=TKIP]
   May 30 07:13:21 Inspiron-1525 wpa_supplicant[1092]: wlan0: CTRL-EVENT-SCAN-STARTED
  dmi.bios.date: 10/27/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A17
  dmi.board.name: 0U990C
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA17:bd10/27/2009:svnDellInc.:pnInspiron1525:pvr:rvnDellInc.:rn0U990C:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Inspiron 1525
  dmi.sys.vendor: Dell Inc.

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