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[Bug 1501760] Re: ftdi USB<->TTL adapter stops working with 3.13.0-65-generic


benpicco, as per http://www.asrock.com/mb/Intel/H81M-
DGS%20R2.0/?cat=Download&os=BIOS an update to your computer's buggy and
outdated BIOS is available (1.60). If you update to this following
https://help.ubuntu.com/community/BIOSUpdate does it change anything?

If it doesn't, could you please both specify what happened, and provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date

For more on BIOS updates and linux, please see

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful. As well, you don't
have to create a new bug report.

Once the BIOS is updated, if the problem is still reproducible, and the
information above is provided, then please mark this report Status
Confirmed. Otherwise, please mark this as Invalid.

Thank you for your understanding.

** Tags added: bios-outdated-160

** Tags removed: bios-outdated-160
** Tags added: bios-outdated-1.60 regression-update

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

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  ftdi USB<->TTL adapter stops working with 3.13.0-65-generic

Status in linux package in Ubuntu:

Bug description:
  After yesterday's update I'm unable to connect to /dev/ttyUSB0, works
  fine when I boot 3.13.0-63-generic

  Affected devices:
   Bus 003 Device 005: ID 0403:bcda Future Technology Devices International, Ltd Stellaris ICDI Board
   Bus 003 Device 006: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC

  This has already been reported as a bug in Python, but it doesn't just
  affect Python programs but everything trying to access the device.


  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-65-generic 3.13.0-65.105
  ProcVersionSignature: Ubuntu 3.13.0-65.105-generic 3.13.11-ckt26
  Uname: Linux 3.13.0-65-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.15
  Architecture: amd64
   /dev/snd/controlC1:  benpicco   2661 F.... pulseaudio
   /dev/snd/controlC0:  benpicco   2661 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu Oct  1 15:21:24 2015
  HibernationDevice: RESUME=UUID=9b23d804-46bf-4b3b-a691-2b45363a9d0e
  InstallationDate: Installed on 2014-09-22 (374 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
   eth0      no wireless extensions.
   lo        no wireless extensions.
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-65-generic.efi.signed root=UUID=67abec1c-41a2-45e9-8772-4a5930f9e310 ro quiet splash vt.handoff=7
   linux-restricted-modules-3.13.0-65-generic N/A
   linux-backports-modules-3.13.0-65-generic  N/A
   linux-firmware                             1.127.15
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/02/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P1.30
  dmi.board.name: H81M-DGS R2.0
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.30:bd07/02/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH81M-DGSR2.0:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.

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