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[Cyril Margorin <comargo@xxxxxxxxx>]

Have tested with http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc5-utopic/
Problem is still there

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

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https://bugs.launchpad.net/bugs/1317522

Title:
  Hotplug of ExpressCard failed

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I develop the driver for ExpressCard hardware manufactured by our company.
  I installed the latest Ubuntu 14.04 just before the release of it on my Dell Latitude E6410
  Today I found the problem with kernel, and was able to reproduce the problem with kernels starting from 3.9.
  Steps to reproduce
  Reboot PC with card 
  -- card detected, driver loaded. - OK
  Remove card
  -- card still detected, driver doesn't unloads - Fail

  Reboot PC without card
  Insert card
  -- No card detected - Fail
  issue 'echo 1 > /sys/bus/pci/rescan'
  -- Card detected  - Ok?
  Remove card
  -- Card still detected - Fail
  issue 'echo 1 > /sys/bus/pci/rescan'
  -- Card still detected - Fail?

  
  Tried to play with kernel 3.8 - everything works ok (need to load module acpiphp)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.47
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  cyril      1538 F.... pulseaudio
   /dev/snd/controlC0:  cyril      1538 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu May  8 17:33:22 2014
  HibernationDevice: RESUME=UUID=9afda173-9cb3-42d5-8f5a-b5dee90ed2c4
  InstallationDate: Installed on 2014-04-02 (36 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326)
  MachineType: Dell Inc. Latitude E6410
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=468285ef-18dd-45fb-b67d-b863e0e97643 ro quiet splash crashkernel=384M-:128M vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/30/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A13
  dmi.board.name: 0K42JR
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A03
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA13:bd07/30/2012:svnDellInc.:pnLatitudeE6410:pvr0001:rvnDellInc.:rn0K42JR:rvrA03:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6410
  dmi.product.version: 0001
  dmi.sys.vendor: Dell Inc.

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