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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

** This bug is no longer a duplicate of bug 795626
   [Asus A8V-E DELUXE] ehci_hcd fatal error - USB devices randomly crash

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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

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https://bugs.launchpad.net/bugs/747811

Title:
  [Acer Aspire 5742] USB subsystem seems to shut down occasionally

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  When reconnecting a USB keyboard to my system, I got this stream of
  messages in `/var/log/syslog`:

      Mar 31 22:35:01 gatsby kernel: [442633.491562] usb 2-1.2: new low speed USB device using ehci_hcd and address 79
      Mar 31 22:35:01 gatsby kernel: [442633.579057] ehci_hcd 0000:00:1d.0: fatal error
      Mar 31 22:35:01 gatsby kernel: [442633.585381] ehci_hcd 0000:00:1d.0: force halt; handshake ffffc90000674824 00004000 00004000 -> -110
      Mar 31 22:35:01 gatsby kernel: [442633.585389] ehci_hcd 0000:00:1d.0: HC died; cleaning up
      Mar 31 22:35:01 gatsby kernel: [442633.598955] usb 2-1.2: device descriptor read/all, error -108
      Mar 31 22:35:01 gatsby kernel: [442633.598961] hub 2-1:1.0: cannot disable port 2 (err = -19)
      Mar 31 22:35:01 gatsby kernel: [442633.598974] hub 2-1:1.0: cannot reset port 2 (err = -19)
      Mar 31 22:35:01 gatsby kernel: [442633.598977] hub 2-1:1.0: cannot disable port 2 (err = -19)
      Mar 31 22:35:01 gatsby kernel: [442633.598983] hub 2-1:1.0: cannot reset port 2 (err = -19)
      Mar 31 22:35:01 gatsby kernel: [442633.598987] hub 2-1:1.0: cannot disable port 2 (err = -19)
      Mar 31 22:35:01 gatsby kernel: [442633.598992] hub 2-1:1.0: cannot reset port 2 (err = -19)
      Mar 31 22:35:01 gatsby kernel: [442633.598995] hub 2-1:1.0: cannot disable port 2 (err = -19)
      Mar 31 22:35:01 gatsby kernel: [442633.598998] hub 2-1:1.0: unable to enumerate USB device on port 2
      Mar 31 22:35:01 gatsby kernel: [442633.599002] hub 2-1:1.0: cannot disable port 2 (err = -19)
      Mar 31 22:35:01 gatsby kernel: [442633.599015] usb 2-1: USB disconnect, address 2

  A normal set of log messages for the same event looks like this:

      Mar 31 16:36:44 gatsby kernel: [421175.156518] usb 2-1.2: new low speed USB device using ehci_hcd and address 74
      Mar 31 16:36:44 gatsby kernel: [421175.278006] input: Dell Dell USB Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/input/input63
      Mar 31 16:36:44 gatsby kernel: [421175.278256] generic-usb 0003:413C:2003.0038: input,hidraw0: USB HID v1.10 Keyboard [Dell Dell USB Keyboard] on usb-0000:00:1d.0-1.2/input0

  Since that error was logged, the system will no longer respond to the
  connection of USB devices.  There is no record of such events in
  either `/var/log/syslog` or via `dmesg`.

  I'm running 10.10 on an Acer Aspire 5742 laptop.  It may be relevant
  that both my HECI controller and SMBus show up as `UNCLAIMED` in the
  output from `lshw`.  They are both listed as being `/^\s*product: 5
  Series/3400 Series Chipset (HECI|SMBus) Controller/`.

  I'm booting with the `acpi_osi=` kernel argument.

  This, or a different problem resulting in USB devices not being
  detected, has happened once before, on 2011-03-12.  I rebooted in
  order to be able to use newly connected USB devices.

  When the previous event occurred, I was not using the acpi_osi= kernel
  parameter.

  I was using the kernel package `linux-image-generic 2.6.35.27.35` (or
  possibly an earlier one, depending on when/if I rebooted) at that
  point; I have since upgraded to `linux-image-2.6.35-28-generic
  2.6.35-28.49`.

  Since my last reboot I have plugged and unplugged numerous USB devices
  multiple times without any issues.  Note the address `79` on the above
  syslog messages.

  I tried

      $ sudo modprobe -r usbhid ; sudo modprobe usbhid

  This logged the following to `/var/log/syslog`

      Apr  1 00:41:10 gatsby kernel: [450189.768916] usbcore: deregistering interface driver usbhid
      Apr  1 00:41:10 gatsby kernel: [450189.768960] usbcore: deregistering interface driver hiddev
      Apr  1 00:41:10 gatsby kernel: [450189.823210] usbcore: registered new interface driver hiddev
      Apr  1 00:41:10 gatsby kernel: [450189.823246] usbcore: registered new interface driver usbhid
      Apr  1 00:41:10 gatsby kernel: [450189.823250] usbhid: USB HID core driver

  but otherwise had no effect: newly-connected USB devices still do not
  work, nor are any syslog messages generated in response to their
  connection.

  I tried connecting devices to two different USB ports on different
  sides of the machine, both to the same non-effect.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: linux-image-2.6.35-28-generic 2.6.35-28.49
  Regression: No
  Reproducible: No
  ProcVersionSignature: Ubuntu 2.6.35-28.49-generic 2.6.35.11
  Uname: Linux 2.6.35-28-generic x86_64
  NonfreeKernelModules: wl
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  sixty      2548 F.... pulseaudio
                        sixty      4769 F.... alsamixer
                        sixty     20641 F.... alsamixer
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xb4400000 irq 44'
     Mixer name	: 'Intel IbexPeak HDMI'
     Components	: 'HDA:10ec0272,10250487,00100001 HDA:80862804,80860101,00100000'
     Controls      : 25
     Simple ctrls  : 12
  Date: Fri Apr  1 18:14:32 2011
  Frequency: Once every few weeks.
  HibernationDevice: RESUME=UUID=9bdf76d5-03ed-4976-9c4d-e32fd1c65d5a
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  Lsusb:
   Bus 001 Device 004: ID 0bda:0138 Realtek Semiconductor Corp. 
   Bus 001 Device 003: ID 0402:9665 ALi Corp. 
   Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Acer Aspire 5742
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.35-28-generic root=/dev/mapper/hostname-root ro acpi_osi=
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_CA.utf8
   SHELL=/bin/bash
  RelatedPackageVersions: linux-firmware 1.38.4
  RfKill:
   
  SourcePackage: linux
  dmi.bios.date: 09/27/2010
  dmi.bios.vendor: Acer
  dmi.bios.version: V1.07
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Aspire 5742
  dmi.board.vendor: Acer
  dmi.board.version: V1.07
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.07
  dmi.modalias: dmi:bvnAcer:bvrV1.07:bd09/27/2010:svnAcer:pnAspire5742:pvrV1.07:rvnAcer:rnAspire5742:rvrV1.07:cvnAcer:ct10:cvrV1.07:
  dmi.product.name: Aspire 5742
  dmi.product.version: V1.07
  dmi.sys.vendor: Acer

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