Geoff Goehle, this bug was reported a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an
issue? If so, with your WORKAROUND removed, could you please provide the
information following https://wiki.ubuntu.com/DebuggingKernelBoot ? As
well, could you please test for this with the latest development release
of Ubuntu? ISO CD images are available from
http://cdimage.ubuntu.com/releases/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available
following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow
additional upstream developers to examine the issue. Please do not test
the kernel in the daily folder, but the one all the way at the bottom.
Once you've tested the upstream kernel, please comment on which kernel
version specifically you tested and remove the 'needs-upstream-testing'
tag. This can be done by clicking on the yellow pencil icon next to the
tag located at the bottom of the bug description and deleting the
'needs-upstream-testing' text.

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, please comment as to why
specifically you were unable to test it and add the tag: 'kernel-unable-
to-test-upstream'.

Please let us know your results. Thanks in advance.

Helpful Bug Reporting Links:
https://help.ubuntu.com/community/ReportingBugs#Bug_Reporting_Etiquette
https://help.ubuntu.com/community/ReportingBugs#A3._Make_sure_the_bug_hasn.27t_already_been_reported
https://help.ubuntu.com/community/ReportingBugs#Adding_Apport_Debug_Information_to_an_Existing_Launchpad_Bug
https://help.ubuntu.com/community/ReportingBugs#Adding_Additional_Attachments_to_an_Existing_Launchpad_Bug

** Tags added: kernel-media oneiric

** Summary changed:

- TEAC Corp.  Multi-Card Reader Causes Boot to Hang
+ 0644:0200 TEAC Corp.  Multi-Card Reader Causes Boot to Hang

** Description changed:

- Recently when the kernel switched over to 3.0 my computer started hanging on 
boot unless I added acpi=off.  I finally figured out that the TEAC Corp. 
All-In-One Multi-Card Reader CA200/B/S is causing the trouble.  With the reader 
plugged in I cannot boot unless I disable acpi.  With the reader disabled I can 
boot as usual.
- --- 
+ Recently when the kernel switched over to 3.0 my computer started
+ hanging on boot  I finally figured out that the TEAC Corp. All-In-One
+ Multi-Card Reader CA200/B/S is causing the trouble.
+ 
+ WORKAROUND: Add kernel parameter acpi=off .
+ 
+ With the reader plugged in I cannot boot unless I disable acpi.  With
+ the reader disabled I can boot as usual.
+ 
+ ---
  AcpiTables:
-  
+ 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC2:  goehle     2327 F.... pulseaudio
-  /dev/snd/controlC0:  goehle     2327 F.... pulseaudio
-  /dev/snd/controlC1:  goehle     2327 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC2:  goehle     2327 F.... pulseaudio
+  /dev/snd/controlC0:  goehle     2327 F.... pulseaudio
+  /dev/snd/controlC1:  goehle     2327 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
-  Card hw:0 'NVidia'/'HDA NVidia at 0xefff4000 irq 34'
-    Mixer name : 'Realtek ALC1200'
-    Components : 'HDA:10ec0888,10280249,00100101'
-    Controls      : 36
-    Simple ctrls  : 20
+  Card hw:0 'NVidia'/'HDA NVidia at 0xefff4000 irq 34'
+    Mixer name : 'Realtek ALC1200'
+    Components : 'HDA:10ec0888,10280249,00100101'
+    Controls      : 36
+    Simple ctrls  : 20
  Card1.Amixer.info:
-  Card hw:1 'Ultra'/'Creative Technology Ltd. VF0415 Live! Cam Vid. IM Ultra 
at usb-0000:00:0b.1-7, '
-    Mixer name : 'USB Mixer'
-    Components : 'USB041e:4071'
-    Controls      : 2
-    Simple ctrls  : 1
+  Card hw:1 'Ultra'/'Creative Technology Ltd. VF0415 Live! Cam Vid. IM Ultra 
at usb-0000:00:0b.1-7, '
+    Mixer name : 'USB Mixer'
+    Components : 'USB041e:4071'
+    Controls      : 2
+    Simple ctrls  : 1
  Card1.Amixer.values:
-  Simple mixer control 'Mic',0
-    Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
-    Capture channels: Mono
-    Limits: Capture 0 - 3328
-    Mono: Capture 2616 [79%] [28.21dB] [on]
+  Simple mixer control 'Mic',0
+    Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
+    Capture channels: Mono
+    Limits: Capture 0 - 3328
+    Mono: Capture 2616 [79%] [28.21dB] [on]
  Card2.Amixer.info:
-  Card hw:2 'NVidia_1'/'HDA NVidia at 0xedffc000 irq 35'
-    Mixer name : 'Nvidia GPU 12 HDMI/DP'
-    Components : 'HDA:10de0012,10de0101,00100100'
-    Controls      : 16
-    Simple ctrls  : 4
+  Card hw:2 'NVidia_1'/'HDA NVidia at 0xedffc000 irq 35'
+    Mixer name : 'Nvidia GPU 12 HDMI/DP'
+    Components : 'HDA:10de0012,10de0101,00100100'
+    Controls      : 16
+    Simple ctrls  : 4
  DistroRelease: Ubuntu 11.10
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=f77b5bed-e4e6-497d-93d5-70ea66f2711b
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  IwConfig:
-  lo        no wireless extensions.
-  
-  eth0      no wireless extensions.
+  lo        no wireless extensions.
+ 
+  eth0      no wireless extensions.
  MachineType: Dell Inc XPS 630i
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcEnviron:
-  PATH=(custom, user)
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  PATH=(custom, user)
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic 
root=UUID=7f0a1734-8cc9-4a14-990a-b1d85fe9e187 ro acpi=off quiet splash 
vt.handoff=7
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  RelatedPackageVersions:
-  linux-restricted-modules-3.0.0-12-generic N/A
-  linux-backports-modules-3.0.0-12-generic  N/A
-  linux-firmware                            1.60
+  linux-restricted-modules-3.0.0-12-generic N/A
+  linux-backports-modules-3.0.0-12-generic  N/A
+  linux-firmware                            1.60
  RfKill:
-  
+ 
  Tags:  oneiric
  Uname: Linux 3.0.0-12-generic i686
  UpgradeStatus: Upgraded to oneiric on 2011-10-13 (53 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 05/05/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.0.13
  dmi.board.name: 0PP150
  dmi.board.vendor: Dell Inc
  dmi.board.version: A00
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc
  dmi.chassis.version: Unknow
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.0.13:bd05/05/2009:svnDellInc:pnXPS630i:pvrUnknow:rvnDellInc:rn0PP150:rvrA00:cvnDellInc:ct3:cvrUnknow:
  dmi.product.name: XPS 630i
  dmi.product.version: Unknow
  dmi.sys.vendor: Dell Inc

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

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Title:
  0644:0200 TEAC Corp.  Multi-Card Reader Causes Boot to Hang

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