Public bug reported:

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.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

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

Title:
  Hotplug of ExpressCard failed

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