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[أحمد المحمودي (Ahmed El-Mahmoudy) <aelmahmoudy@xxxxxxxxxxxxxxxxxxxxx>]

I should have explained the previous comment further:

  Before resuming normal boot, I am able to switch from gdm to tty[1-6] by pressing CTRL+ALT+F1.
Yet after I select to resume normal boot, if I then switch to gdm, I can no longer switch back to tty[1-6]

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https://bugs.launchpad.net/bugs/1376167

Title:
  Inspiron 5537 fails during normal boot

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Hello,

    I installed Trusty on a Dell Inspiron 5537 laptop, yet it fails to
  boot beyond the plymouth animation.

  So I booted in recovery mode, and done the following:
  * Enabled network
  * Dropped to root shell, and started gdm from there.
  * Return back to recovery menu, and select to resume normal boot (without closing gdm).

  At this point, the console screen becomes blank (except for a blinking
  cursor), and I see no progress at all. So I return to gdm, login from
  there, and checked dmesg, and I find what seems to be a kernel oops:

  [   44.753510] ------------[ cut here ]------------
  [   44.753571] WARNING: CPU: 0 PID: 75 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_pm.c:5856 i915_request_power_well+0x77/0x80 [i915]()
  [   44.754168] snd_hda_intel 0000:00:1b.0: irq 63 for MSI/MSI-X
  [   44.753645] Modules linked in: snd_hda_intel(+) mac80211 snd_hda_codec intel_rapl(+) uvcvideo x86_pkg_temp_thermal intel_powerclamp coretemp videobuf2_vmalloc videobuf2_memops kvm_intel videobuf2_core snd_hwdep snd_pcm kvm videodev snd_page_alloc snd_seq_midi i915 snd_seq_midi_event iwlwifi snd_rawmidi rts5139(C) snd_seq btusb snd_seq_device snd_timer crct10dif_pclmul crc32_pclmul snd ghash_clmulni_intel bluetooth drm_kms_helper aesni_intel cfg80211 drm dell_wmi sparse_keymap aes_x86_64 i2c_algo_bit soundcore lrw gf128mul mei_me dell_laptop mei glue_helper dcdbas ablk_helper cryptd lpc_ich joydev serio_raw mac_hid wmi video psmouse ahci r8169 libahci mii
  [   44.754714] CPU: 0 PID: 75 Comm: kworker/0:1 Tainted: G         C    3.13.0-36-generic #63-Ubuntu
  [   44.754772] Hardware name: Dell Inc. Inspiron 5537/0RKNTK, BIOS A07 11/12/2013
  [   44.754829] Workqueue: events azx_probe_work [snd_hda_intel]
  [   44.754878]  0000000000000009 ffff88024f8dfd50 ffffffff8171e569 0000000000000000
  [   44.754980]  ffff88024f8dfd88 ffffffff8106775d 0000000000000000 0000000000000000
  [   44.755082]  0000000000000000 ffff880253af2000 ffff88024f43b000 ffff88024f8dfd98
  [   44.755199] Call Trace:
  [   44.755240]  [<ffffffff8171e569>] dump_stack+0x45/0x56
  [   44.755284]  [<ffffffff8106775d>] warn_slowpath_common+0x7d/0xa0
  [   44.755328]  [<ffffffff8106783a>] warn_slowpath_null+0x1a/0x20
  [   44.755390]  [<ffffffffa03762e7>] i915_request_power_well+0x77/0x80 [i915]
  [   44.755439]  [<ffffffffa046ef42>] hda_display_power+0x32/0x40 [snd_hda_intel]
  [   44.755488]  [<ffffffffa046d8a5>] azx_probe_continue+0x55/0x980 [snd_hda_intel]
  [   44.755553]  [<ffffffffa046ecd5>] azx_probe_work+0x15/0x20 [snd_hda_intel]
  [   44.755601]  [<ffffffff810839d2>] process_one_work+0x182/0x450
  [   44.755647]  [<ffffffff810847c1>] worker_thread+0x121/0x410
  [   44.755691]  [<ffffffff810846a0>] ? rescuer_thread+0x430/0x430
  [   44.755736]  [<ffffffff8108b4a2>] kthread+0xd2/0xf0
  [   44.755778]  [<ffffffff8108b3d0>] ? kthread_create_on_node+0x1c0/0x1c0
  [   44.755824]  [<ffffffff8172eefc>] ret_from_fork+0x7c/0xb0
  [   44.755868]  [<ffffffff8108b3d0>] ? kthread_create_on_node+0x1c0/0x1c0
  [   44.755913] ---[ end trace a568fc723deaec72 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-36-generic 3.13.0-36.63
  ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
  Uname: Linux 3.13.0-36-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  aelmahmoudy  14485 F.... pulseaudio
   /dev/snd/controlC1:  aelmahmoudy  14485 F.... pulseaudio
  CRDA:
   country EG:
   	(2402 - 2482 @ 40), (N/A, 20)
   	(5170 - 5250 @ 20), (N/A, 20)
   	(5250 - 5330 @ 20), (N/A, 20), DFS
  CurrentDesktop: GNOME
  Date: Wed Oct  1 10:36:50 2014
  HibernationDevice: RESUME=UUID=ff8c8192-c7f4-4e36-a9b0-2fa1efc33e1c
  MachineType: Dell Inc. Inspiron 5537
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-36-generic root=UUID=13a3b66a-2384-488d-853f-9c77a2be74e9 ro recovery nomodeset
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon not responding.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-36-generic N/A
   linux-backports-modules-3.13.0-36-generic  N/A
   linux-firmware                             1.127.7
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/12/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0RKNTK
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A07
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd11/12/2013:svnDellInc.:pnInspiron5537:pvrA07:rvnDellInc.:rn0RKNTK:rvrA00:cvnDellInc.:ct8:cvrA07:
  dmi.product.name: Inspiron 5537
  dmi.product.version: A07
  dmi.sys.vendor: Dell Inc.

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