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[Bug 925760] Re: Constant warnings from the kernel: Test WP failed, assume Write Enabled

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: WinEunuchs2Unix <RickLee518@xxxxxxxxx>
Date: Wed, 04 Jun 2014 04:14:22 -0000
Reply-to: Bug 925760 <925760@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Under Trusty 14.04 LTS 3.13.0-24-generic the ss_en=0 option did not work
on first try.  The file was created but it was empty.  After using gksu
gedit blah blah blah on the file and manually putting the option in it
worked fine.  Thank you very much at getting this annoying undocumented
feature (old tongue for bug) out of the way every time I do a dmesg.

After a million lines of 1. Test failed, 2. Ask for cash (who wouldn't?)
and 3. assume write (everyone assumes they are right) The ss_en=0 was
manually added to the file and then the Remove / reinsert kernel module
was executed.  To prove it works dmesg output is below:

[ 3466.265066] sd 2:0:0:0: [sda] Test WP failed, assume Write Enabled
[ 3466.267309] sd 2:0:0:0: [sda] Asking for cache data failed
[ 3466.267317] sd 2:0:0:0: [sda] Assuming drive cache: write through
[ 3474.080808] usbcore: deregistering interface driver ums-realtek
[ 3639.916413] ums-realtek 1-4:1.0: USB Mass Storage device detected
[ 3639.917971] scsi6 : usb-storage 1-4:1.0
[ 3639.918200] usbcore: registered new interface driver ums-realtek
[ 3640.918321] scsi 6:0:0:0: Direct-Access     Generic- Multi-Card       1.00 PQ: 0 ANSI: 0 CCS
[ 3640.918936] sd 6:0:0:0: Attached scsi generic sg1 type 0
[ 3640.929692] sd 6:0:0:0: [sda] Attached SCSI removable disk

Can we can close this bug if it moves upstream with ss_en=0 and the SD
ram card reader still works as others state?

- WE2U (WinEunuuchs2Unix)

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https://bugs.launchpad.net/bugs/925760

Title:
  Constant warnings from the kernel: Test WP failed, assume Write
  Enabled

Status in The Linux Kernel:
  In Progress
Status in “linux” package in Ubuntu:
  Triaged
Status in “linux” package in Fedora:
  Unknown

Bug description:
  I have this problem with this Laptop Acer 5735-4624, when I change to
  a TTY (Ctrl+Alt+F1..) I got this message everytime

  Feb  2 17:07:12 telintel26 kernel: [33802.064779] sd 4:0:0:0: [sdb] Test WP failed, assume Write Enabled
  Feb  2 17:07:12 telintel26 kernel: [33802.067026] sd 4:0:0:0: [sdb] Asking for cache data failed
  Feb  2 17:07:12 telintel26 kernel: [33802.067034] sd 4:0:0:0: [sdb] Assuming drive cache: write through

  This are just warnings, because all seems to work OK but are really
  nasty messages because appear every time even if you are running
  another program (example: top)

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-12-generic 3.2.0-12.21
  ProcVersionSignature: Ubuntu 3.2.0-12.21-generic 3.2.2
  Uname: Linux 3.2.0-12-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  ApportVersion: 1.91-0ubuntu1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  alarconj   1752 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf8900000 irq 47'
     Mixer name	: 'Realtek ALC268'
     Components	: 'HDA:10ec0268,10250176,00100101 HDA:11c11040,11c10001,00100200'
     Controls      : 16
     Simple ctrls  : 9
  Date: Thu Feb  2 17:06:19 2012
  HibernationDevice: RESUME=UUID=bb53f046-48a6-441f-82c7-0e0fdb12ce2f
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120102)
  MachineType: Acer Aspire 5735
  ProcEnviron:
   LANGUAGE=es_CO:es
   PATH=(custom, no user)
   LANG=es_CO.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic root=UUID=6da9a4fd-7e97-4217-b00e-4c5c5bd76813 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-12-generic N/A
   linux-backports-modules-3.2.0-12-generic  N/A
   linux-firmware                            1.68
  SourcePackage: linux
  UpgradeStatus: Upgraded to precise on 2012-01-26 (7 days ago)
  dmi.bios.date: 12/04/2008
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: V1.10
  dmi.board.name: CathedralPeak
  dmi.board.vendor: Acer
  dmi.board.version: Rev
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.10:bd12/04/2008:svnAcer:pnAspire5735:pvr0100:rvnAcer:rnCathedralPeak:rvrRev:cvnAcer:ct10:cvrN/A:
  dmi.product.name: Aspire 5735
  dmi.product.version: 0100
  dmi.sys.vendor: Acer
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  ApportVersion: 1.94-0ubuntu1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  alarconj   2078 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf8900000 irq 47'
     Mixer name	: 'Realtek ALC268'
     Components	: 'HDA:10ec0268,10250176,00100101 HDA:11c11040,11c10001,00100200'
     Controls      : 16
     Simple ctrls  : 9
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=bb53f046-48a6-441f-82c7-0e0fdb12ce2f
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120102)
  MachineType: Acer Aspire 5735
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=es_CO:es
   TERM=xterm
   PATH=(custom, no user)
   LANG=es_CO.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic root=UUID=6da9a4fd-7e97-4217-b00e-4c5c5bd76813 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-18-generic N/A
   linux-backports-modules-3.2.0-18-generic  N/A
   linux-firmware                            1.71
  Tags:  precise
  Uname: Linux 3.2.0-18-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-02-17 (16 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 12/04/2008
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: V1.10
  dmi.board.name: CathedralPeak
  dmi.board.vendor: Acer
  dmi.board.version: Rev
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.10:bd12/04/2008:svnAcer:pnAspire5735:pvr0100:rvnAcer:rnCathedralPeak:rvrRev:cvnAcer:ct10:cvrN/A:
  dmi.product.name: Aspire 5735
  dmi.product.version: 0100
  dmi.sys.vendor: Acer
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  ApportVersion: 1.94-0ubuntu1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC268 Analog [ALC268 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  alarconj   2078 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf8900000 irq 47'
     Mixer name	: 'Realtek ALC268'
     Components	: 'HDA:10ec0268,10250176,00100101 HDA:11c11040,11c10001,00100200'
     Controls      : 16
     Simple ctrls  : 9
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=bb53f046-48a6-441f-82c7-0e0fdb12ce2f
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120102)
  MachineType: Acer Aspire 5735
  Package: linux-image-3.2.0-18-generic 3.2.0-18.28
  PackageArchitecture: amd64
  ProcEnviron:
   LANGUAGE=es_CO:es
   TERM=xterm
   PATH=(custom, no user)
   LANG=es_CO.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic root=UUID=6da9a4fd-7e97-4217-b00e-4c5c5bd76813 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-18.28-generic 3.2.9
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-18-generic N/A
   linux-backports-modules-3.2.0-18-generic  N/A
   linux-firmware                            1.71
  Tags:  precise
  Uname: Linux 3.2.0-18-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-02-17 (16 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 12/04/2008
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: V1.10
  dmi.board.name: CathedralPeak
  dmi.board.vendor: Acer
  dmi.board.version: Rev
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.10:bd12/04/2008:svnAcer:pnAspire5735:pvr0100:rvnAcer:rnCathedralPeak:rvrRev:cvnAcer:ct10:cvrN/A:
  dmi.product.name: Aspire 5735
  dmi.product.version: 0100
  dmi.sys.vendor: Acer

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