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[Launchpad Bug Tracker <1290189@xxxxxxxxxxxxxxxxxx>]

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There is a similar bug 1091125, but this one is slightly different

Steps:
1.  Install 12.04.4 + update (3.11.0-18)
2.  Hotplug the APIOTEK usb 3.0 adapter ExpressCard
2.1  Hotplug a USB stick on the ExpressCard
3. Hotplug the APIOTEK usb 3.0 adapter ExpressCard with a USB on it

Expected Result:
* The ExpressCard should be hot-pluggable

Actual Result:
The following message will shows up in dmesg:
* plug the ExpressCard
[  748.270195] pciehp 0000:00:15.3:pcie04: Card present on Slot(0-1)
* Connect a USB stick to the ExpressCard
(Nothing happened)
* unplug the ExpressCard
[  756.122707] pciehp 0000:00:15.3:pcie04: Card not present on Slot(0-1)
* plug the ExpressCard with USB on it
[ 1199.593797] pciehp 0000:00:15.3:pcie04: Card present on Slot(0-1)

Cold plug works fine, and when it's cold-plugged, usb hotplug works as
usual.

Debugging information:
acpiphp module cannot be found in lsmod
I can't load that module manually with this error message: 
FATAL: Module acpiphp not found.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.11.0-18-generic 3.11.0-18.32~precise1
ProcVersionSignature: Ubuntu 3.11.0-18.32~precise1-generic 3.11.10.4
Uname: Linux 3.11.0-18-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.11.0-18-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 1: Generic_1 [HD-Audio Generic], device 0: CX20590 Analog [CX20590 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  ubuntu     1622 F.... pulseaudio
 /dev/snd/controlC0:  ubuntu     1622 F.... pulseaudio
CRDA:
 country TW:
 	(2402 - 2472 @ 40), (3, 27)
 	(5270 - 5330 @ 40), (3, 17), DFS
 	(5735 - 5815 @ 40), (3, 30)
Card0.Amixer.info:
 Card hw:0 'Generic'/'HD-Audio Generic at 0xf0b44000 irq 47'
   Mixer name	: 'ATI R6xx HDMI'
   Components	: 'HDA:1002aa01,00aa0100,00100200'
   Controls      : 7
   Simple ctrls  : 1
Card0.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Card1.Amixer.info:
 Card hw:1 'Generic_1'/'HD-Audio Generic at 0xf0b40000 irq 16'
   Mixer name	: 'Conexant CX20590'
   Components	: 'HDA:14f1506e,17aa21ea,00100000'
   Controls      : 20
   Simple ctrls  : 9
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
   Mixer name	: 'ThinkPad EC (unknown)'
   Components	: ''
   Controls      : 1
   Simple ctrls  : 1
Card29.Amixer.values:
 Simple mixer control 'Console',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Sun Mar  9 22:08:19 2014
HibernationDevice: RESUME=UUID=f746ff69-0a94-4753-8729-e754d0d71a4c
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140204)
MachineType: LENOVO 120024U
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-18-generic root=UUID=adfbaf9f-a293-4508-a962-3c1d4590c5cf ro quiet splash initcall_debug vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.11.0-18-generic N/A
 linux-backports-modules-3.11.0-18-generic  N/A
 linux-firmware                             1.79.10
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux-lts-saucy
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/14/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8IET33WW(1.06)
dmi.board.asset.tag: Not Available
dmi.board.name: 120024U
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8IET33WW(1.06):bd07/14/2011:svnLENOVO:pn120024U:pvrThinkPadE525:rvnLENOVO:rn120024U:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 120024U
dmi.product.version: ThinkPad E525
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Medium
     Assignee: Adam Lee (adam8157)
         Status: In Progress


** Tags: 201107-8258 amd64 apport-bug blocks-hwcert blocks-hwcert-enablement precise qa-kernel-lts-testing running-unity taipei-lab
-- 
Unable to hotplug ExpressCard in 12.04.4
https://bugs.launchpad.net/bugs/1290189
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