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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1510962

Title:
  Module ioremap seems to crash at booting time.

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  This is  buntu 15.10, on a Lenovo x250.

  journalctl -b output:

  Oct 27 23:04:07 sai kernel: ------------[ cut here ]------------
  Oct 27 23:04:07 sai kernel: WARNING: CPU: 1 PID: 1 at /build/linux-AxjFAn/linux-4.2.0/arch/x86/mm/ioremap.c:198 __ioremap_caller+0x2c5/0x380()
  Oct 27 23:04:07 sai kernel: Info: mapping multiple BARs. Your kernel is fine.
  Oct 27 23:04:07 sai kernel: Modules linked in:
  Oct 27 23:04:07 sai kernel: 
  Oct 27 23:04:07 sai kernel: CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.2.0-16-generic #19-Ubuntu
  Oct 27 23:04:07 sai kernel: Hardware name: LENOVO 20CMCTO1WW/20CMCTO1WW, BIOS N10ET36W (1.15 ) 06/19/2015
  Oct 27 23:04:07 sai kernel:  0000000000000000 00000000720220ad ffff880224587ab8 ffffffff817e8c09
  Oct 27 23:04:07 sai kernel:  0000000000000000 ffff880224587b10 ffff880224587af8 ffffffff8107b3c6
  Oct 27 23:04:07 sai kernel:  ffff880224587b28 00000000fed10000 ffffc90000e88000 0000000000006000
  Oct 27 23:04:07 sai kernel: Call Trace:
  Oct 27 23:04:07 sai kernel:  [<ffffffff817e8c09>] dump_stack+0x45/0x57
  Oct 27 23:04:07 sai kernel:  [<ffffffff8107b3c6>] warn_slowpath_common+0x86/0xc0
  Oct 27 23:04:07 sai kernel:  [<ffffffff8107b455>] warn_slowpath_fmt+0x55/0x70
  Oct 27 23:04:07 sai kernel:  [<ffffffff81067c25>] __ioremap_caller+0x2c5/0x380
  Oct 27 23:04:07 sai kernel:  [<ffffffff81067cf7>] ioremap_nocache+0x17/0x20
  Oct 27 23:04:07 sai kernel:  [<ffffffff8103a869>] snb_uncore_imc_init_box+0x79/0xb0
  Oct 27 23:04:07 sai kernel:  [<ffffffff81038f86>] uncore_pci_probe+0xd6/0x1c0
  Oct 27 23:04:07 sai kernel:  [<ffffffff81414c25>] local_pci_probe+0x45/0xa0
  Oct 27 23:04:07 sai kernel:  [<ffffffff81415d24>] ? pci_match_device+0xf4/0x120
  Oct 27 23:04:07 sai kernel:  [<ffffffff81415e83>] pci_device_probe+0xf3/0x140
  Oct 27 23:04:07 sai kernel:  [<ffffffff81520b0a>] driver_probe_device+0x21a/0x490
  Oct 27 23:04:07 sai kernel:  [<ffffffff81520e10>] __driver_attach+0x90/0xa0
  Oct 27 23:04:07 sai kernel:  [<ffffffff81520d80>] ? driver_probe_device+0x490/0x490
  Oct 27 23:04:07 sai kernel:  [<ffffffff8151e6ac>] bus_for_each_dev+0x6c/0xc0
  Oct 27 23:04:07 sai kernel:  [<ffffffff815202ae>] driver_attach+0x1e/0x20
  Oct 27 23:04:07 sai kernel:  [<ffffffff8151fddb>] bus_add_driver+0x1eb/0x280
  Oct 27 23:04:07 sai kernel:  [<ffffffff81d5f144>] ? uncore_cpu_setup+0x12/0x12
  Oct 27 23:04:07 sai kernel:  [<ffffffff815216b0>] driver_register+0x60/0xe0
  Oct 27 23:04:07 sai kernel:  [<ffffffff814144dc>] __pci_register_driver+0x4c/0x50
  Oct 27 23:04:07 sai kernel:  [<ffffffff81d5f227>] intel_uncore_init+0xe3/0x2d8
  Oct 27 23:04:07 sai kernel:  [<ffffffff81d5f144>] ? uncore_cpu_setup+0x12/0x12
  Oct 27 23:04:07 sai kernel:  [<ffffffff81002123>] do_one_initcall+0xb3/0x200
  Oct 27 23:04:07 sai kernel:  [<ffffffff81099de4>] ? parse_args+0x154/0x4a0
  Oct 27 23:04:07 sai kernel:  [<ffffffff81d501c1>] kernel_init_freeable+0x17b/0x21a
  Oct 27 23:04:07 sai kernel:  [<ffffffff817dd170>] ? rest_init+0x80/0x80
  Oct 27 23:04:07 sai kernel:  [<ffffffff817dd17e>] kernel_init+0xe/0xe0
  Oct 27 23:04:07 sai kernel:  [<ffffffff817efe1f>] ret_from_fork+0x3f/0x70
  Oct 27 23:04:07 sai kernel:  [<ffffffff817dd170>] ? rest_init+0x80/0x80
  Oct 27 23:04:07 sai kernel: ---[ end trace 1d7db9c9abf685a2 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-16-generic 4.2.0-16.19
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  gpoo       2278 F.... pulseaudio
   /dev/snd/controlC0:  gpoo       2278 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Wed Oct 28 07:28:32 2015
  InstallationDate: Installed on 2015-04-07 (203 days ago)
  InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Beta amd64 (20150326)
  MachineType: LENOVO 20CMCTO1WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-16-generic root=UUID=6d7b32fc-b6c2-4bd8-8a58-fe1941d338b1 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-16-generic N/A
   linux-backports-modules-4.2.0-16-generic  N/A
   linux-firmware                            1.149
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: Upgraded to wily on 2015-10-22 (5 days ago)
  dmi.bios.date: 06/19/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N10ET36W (1.15 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20CMCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40709 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnLENOVO:bvrN10ET36W(1.15):bd06/19/2015:svnLENOVO:pn20CMCTO1WW:pvrThinkPadX250:rvnLENOVO:rn20CMCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20CMCTO1WW
  dmi.product.version: ThinkPad X250
  dmi.sys.vendor: LENOVO

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