[Bug 1503565] Re: vagrant depends on bsdtar which depends on libarchive13

2016-10-07 Thread Matthew Giassa 
Recently encountered this issue on Ubuntu 16.04.1 on 4.4.0-38-generic
#57-Ubuntu SMP.

Seems the build label in `libarchive13` is either incorrect, or `bsdtar`
is expecting the wrong version.

I was able to fix this via:

apt-get download bsdtar
mkdir temp_out
dpkg-deb -R bsdtar_3.1.2-11build1_amd64.deb temp_out
# Modify the "control file in temp_out/DEBIAN, changed version from 
"3.1.2-11build1" to "3.2.1-2~ubuntu16.04.1." Save, close.
dpkg-deb -b temp_out FIXED_bsdtar.deb
sudo dpkg -i ./FIXED_bsdtar.deb

Afterwards, I was able to successfully install and use vagrant via:
"sudo apt-get install vagrant". The only downside to this approach is
I'll eventually have to resolve this manually when the bsdtar package is
actually fixed.

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Title:
  vagrant depends on bsdtar which depends on libarchive13

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[Bug 1577024] Re: Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM) claim/release logic in USBFS

2016-06-14 Thread Matthew Giassa 
Tested successfully. Tags updated as requested.

Thank you.


Matthew Giassa, MASc, BASc, EIT
Security and Embedded Systems Specialist
linkedin: https://ca.linkedin.com/in/giassa
e-mail:   matt...@giassa.net
website:  www.giassa.net

>  Original Message 
> Subject: [Bug 1577024] Re: Kernel 4.2.X and 4.4.X - Fix USB3.0 link
> power management (LPM) claim/release logic in USBFS
> From: Kamal Mostafa <ka...@canonical.com>
> Date: Tue, June 14, 2016 7:21 am
> To: matt...@giassa.net
> 
> 
> This bug is awaiting verification that the kernel in -proposed solves
> the problem. Please test the kernel and update this bug with the
> results. If the problem is solved, change the tag 'verification-needed-
> xenial' to 'verification-done-xenial'.
> 
> If verification is not done by 5 working days from today, this fix will
> be dropped from the source code, and this bug will be closed.
> 
> See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
> to enable and use -proposed. Thank you!
> 
> -- 
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1577024
> 
> Title:
>   Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM)
>   claim/release logic in USBFS
> 
> Status in linux package in Ubuntu:
>   Triaged
> Status in linux source package in Vivid:
>   Fix Committed
> Status in linux source package in Wily:
>   Fix Committed
> Status in linux source package in Xenial:
>   Fix Committed
> 
> Bug description:
>   I am currently carrying out kernel testing and debugging with Alan Stern on 
> the mainline kernel. Alan has proposed a patch to resolve a bug in USBFS that 
> causes USB machine vision cameras to fail on kernels that contain the 
> following patch:
>   commit e951f84074b84a3f5aecbffd01da74576e0068d5
>   Author: Lu Baolu <baolu...@linux.intel.com>
>   Date:   Tue Jun 16 09:08:26 2015 +0800
>   usb: core: lpm: set lpm_capable for root hub device
>   commit 2d2a316765d956bc5cb6bb367b2ec52ca59ab8e9 upstream.
> 
>   There is an issue in this patch that impacts software that rapidly
>   issues claim/release calls in USBFS, and all of our customers that use
>   Ubuntu 14.04.4 (kernel 4.2.x) and Ubuntu 16.04 (kernel 4.4.x) are
>   unable to communicate with their machine vision cameras using our
>   software stack.
> 
>   The patch for the mainline kernel is being tested, and is currently posted, 
> along with a history of this issue, at:
>   https://bugzilla.kernel.org/show_bug.cgi?id=115961
> 
>   Right now, all of our customers have to either use an older kernel, or
>   manually patch their own kernel with the fix provided by Alan if they
>   are required to use a newer kernel. I am raising this bug so that,
>   once the patch is submitted to the the mainline/linus series, it can
>   be included in the next "monthly" kernel update made available to the
>   general public, and so our customers can just run a normal "vanilla"
>   system without having to rely on manually patching their kernel every
>   time they need to update.
> 
>   I can be contacted at:
>   matt...@giassa.net
>   matthew.gia...@ptgrey.com
> 
>   Thank you.
> 
>   ProblemType: Bug
>   DistroRelease: Ubuntu 14.04
>   Package: linux-image-3.13.0-55-generic 3.13.0-55.94
>   ProcVersionSignature: Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20
>   Uname: Linux 3.13.0-55-generic i686
>   NonfreeKernelModules: nvidia
>   ApportVersion: 2.14.1-0ubuntu3.19
>   Architecture: i386
>   AudioDevicesInUse:
>USERPID ACCESS COMMAND
>/dev/snd/controlC0:  owner  4035 F pulseaudio
>   CurrentDesktop: Unity
>   Date: Sat Apr 30 10:36:15 2016
>   EcryptfsInUse: Yes
>   HibernationDevice: RESUME=UUID=0287e25d-68d6-4390-aced-c682b8e13b60
>   InstallationDate: Installed on 2013-09-23 (949 days ago)
>   InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release i386 
> (20130820.1)
>   IwConfig:
>lono wireless extensions.
>
>cscotun0  no wireless extensions.
>
>eth0  no wireless extensions.
>   MachineType: Hewlett-Packard HP xw4600 Workstation
>   ProcFB:
>
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-55-generic 
> root=UUID=292845c9-c333-4592-aa06-bc01f45d3ee6 ro quiet splash
>   RelatedPackageVersions:
>linux-restricted-modules-3.13.0-55-generic N/A
>linux-backports-modules-3.13.0-55-generic  N/A
>linux-firmware 1.127.19
>   RfKill:
>
>   SourcePackage: linux
>   UpgradeStatus: Upgraded to tru

Re: [Bug 1577024] Re: Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM) claim/release logic in USBFS

2016-05-27 Thread Matthew Giassa 
Thank you. I have one last question on this bug. Where can I find
current information on merge window dates, etc? I'm trying to create a
rough estimate as to when these changes will become part of a security
update that gets auto deployed via the "software update" apt gui to
desktop users.

Cheers.

========
Matthew Giassa, MASc, BASc, EIT
Security and Embedded Systems Specialist
 linkedin: https://ca.linkedin.com/in/giassa
 e-mail:   matt...@giassa.net
 website:  www.giassa.net
  Original Message  
From: Kamal Mostafa
Sent: Friday, May 27, 2016 7:05 AM
To: matt...@giassa.net
Reply To: Bug 1577024
Subject: [Bug 1577024] Re: Kernel 4.2.X and 4.4.X - Fix USB3.0 link power 
management (LPM) claim/release logic in USBFS

** Changed in: linux (Ubuntu Vivid)
Status: In Progress => Fix Committed

** Changed in: linux (Ubuntu Wily)
Status: In Progress => Fix Committed

** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Committed

-- 
You received this bug notification because you are subscribed to the bug
report.
https://bugs.launchpad.net/bugs/1577024

Title:
Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM)
claim/release logic in USBFS

Status in linux package in Ubuntu:
Triaged
Status in linux source package in Vivid:
Fix Committed
Status in linux source package in Wily:
Fix Committed
Status in linux source package in Xenial:
Fix Committed

Bug description:
I am currently carrying out kernel testing and debugging with Alan Stern on the 
mainline kernel. Alan has proposed a patch to resolve a bug in USBFS that 
causes USB machine vision cameras to fail on kernels that contain the following 
patch:
commit e951f84074b84a3f5aecbffd01da74576e0068d5
Author: Lu Baolu <baolu...@linux.intel.com>
Date: Tue Jun 16 09:08:26 2015 +0800
usb: core: lpm: set lpm_capable for root hub device
commit 2d2a316765d956bc5cb6bb367b2ec52ca59ab8e9 upstream.

There is an issue in this patch that impacts software that rapidly
issues claim/release calls in USBFS, and all of our customers that use
Ubuntu 14.04.4 (kernel 4.2.x) and Ubuntu 16.04 (kernel 4.4.x) are
unable to communicate with their machine vision cameras using our
software stack.

The patch for the mainline kernel is being tested, and is currently posted, 
along with a history of this issue, at:
https://bugzilla.kernel.org/show_bug.cgi?id=115961

Right now, all of our customers have to either use an older kernel, or
manually patch their own kernel with the fix provided by Alan if they
are required to use a newer kernel. I am raising this bug so that,
once the patch is submitted to the the mainline/linus series, it can
be included in the next "monthly" kernel update made available to the
general public, and so our customers can just run a normal "vanilla"
system without having to rely on manually patching their kernel every
time they need to update.

I can be contacted at:
matt...@giassa.net
matthew.gia...@ptgrey.com

Thank you.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-55-generic 3.13.0-55.94
ProcVersionSignature: Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20
Uname: Linux 3.13.0-55-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: owner 4035 F pulseaudio
CurrentDesktop: Unity
Date: Sat Apr 30 10:36:15 2016
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=0287e25d-68d6-4390-aced-c682b8e13b60
InstallationDate: Installed on 2013-09-23 (949 days ago)
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release i386 
(20130820.1)
IwConfig:
lo no wireless extensions.

cscotun0 no wireless extensions.

eth0 no wireless extensions.
MachineType: Hewlett-Packard HP xw4600 Workstation
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-55-generic 
root=UUID=292845c9-c333-4592-aa06-bc01f45d3ee6 ro quiet splash
RelatedPackageVersions:
linux-restricted-modules-3.13.0-55-generic N/A
linux-backports-modules-3.13.0-55-generic N/A
linux-firmware 1.127.19
RfKill:

SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-07-30 (639 days ago)
dmi.bios.date: 07/09/2012
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786F3 v01.34
dmi.board.asset.tag: CAC94101JZ
dmi.board.name: 0AA0h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: CAC94101JZ
dmi.chassis.type: 6
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: 
dmi:bvnHewlett-Packard:bvr786F3v01.34:bd07/09/2012:svnHewlett-Packard:pnHPxw4600Workstation:pvr:rvnHewlett-Packard:rn0AA0h:rvr:cvnHewlett-Packard:ct6:cvr:
dmi.product.name: HP xw4600 Workstation
dmi.sys.vendor: Hewlett-Packard

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[Bug 1577024] Re: Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM) claim/release logic in USBFS

2016-05-25 Thread Matthew Giassa 
Patch is now in mainline. Pending the requisite testing carried out by
Ubuntu team, may I please have this patch nominated for promotion to
downstream jobs (ie: Xenial, Wily, and Vivid).

Thank you.


commit 6fb650d43da3e7054984dc548eaa88765a94d49f
Author: Alan Stern <st...@rowland.harvard.edu>
Date:   Fri Apr 29 15:25:17 2016 -0400

USB: leave LPM alone if possible when binding/unbinding interface drivers

When a USB driver is bound to an interface (either through probing or
by claiming it) or is unbound from an interface, the USB core always
disables Link Power Management during the transition and then
re-enables it afterward.  The reason is because the driver might want
to prevent hub-initiated link power transitions, in which case the HCD
would have to recalculate the various LPM parameters.  This
recalculation takes place when LPM is re-enabled and the new
parameters are sent to the device and its parent hub.

However, if the driver does not want to prevent hub-initiated link
power transitions then none of this work is necessary.  The parameters
don't need to be recalculated, and LPM doesn't need to be disabled and
re-enabled.

It turns out that disabling and enabling LPM can be time-consuming,
enough so that it interferes with user programs that want to claim and
release interfaces rapidly via usbfs.  Since the usbfs kernel driver
doesn't set the disable_hub_initiated_lpm flag, we can speed things up
and get the user programs to work by leaving LPM alone whenever the
flag isn't set.

And while we're improving the way disable_hub_initiated_lpm gets used,
let's also fix its kerneldoc.

Signed-off-by: Alan Stern <st...@rowland.harvard.edu>
    Tested-by: Matthew Giassa <matt...@giassa.net>
CC: Mathias Nyman <mathias.ny...@intel.com>
CC: <sta...@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>


** Patch added: "6fb650d43da3e7054984dc548eaa88765a94d49f.patch"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1577024/+attachment/4670331/+files/6fb650d43da3e7054984dc548eaa88765a94d49f.patch

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Title:
  Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM)
  claim/release logic in USBFS

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[Bug 1583328] [NEW] libfreeimage-dev: Static archove/library not included in package

2016-05-18 Thread Matthew Giassa 
Public bug reported:

As per the description page:
https://blueprints.launchpad.net/ubuntu/xenial/amd64/libfreeimage-dev/

" This package contains the headers and static libraries needed to develop
 programs using FreeImage."

The static library/archove is not included in the package.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: libfreeimage-dev 3.17.0+ds1-2
ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
Uname: Linux 4.4.8-pgr-lpm-patched x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Wed May 18 12:56:41 2016
InstallationDate: Installed on 2016-05-06 (12 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: freeimage
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: freeimage (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug xenial

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Title:
  libfreeimage-dev: Static archove/library not included in package

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[Bug 1580705] [NEW] VLC Media Player: CTRL hotkeys no longer functioning or visible in drop-down menus after upgrading from kernel 4.4.0-21 to 4.4.0-22.39-generic 4.4.8 on Xenial (Ubuntu 16.04 LTS) x6

2016-05-11 Thread Matthew Giassa 
Public bug reported:

After upgrading just my kernel, and installing apt-get build-dep
packages along with kernel-package for kernel 4.4.8, the CTRL+ hotkeys
stopped working in VLC. Additionally, the hotkey definitions that
normally appear in faded text in the drop down menubar entries is no
longer present either.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: vlc 2.2.2-5
ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
Uname: Linux 4.4.8-pgr-lpm-patched x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Wed May 11 10:27:47 2016
InstallationDate: Installed on 2016-05-06 (5 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: vlc
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: vlc (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug xenial

** Summary changed:

- CTRL hotkeys no longer functioning or visible in drop-down menus after 
upgrading from kernel 4.4.0-21 to 4.4.8 on Xenial (Ubuntu 16.04 LTS) x64
+ CTRL hotkeys no longer functioning or visible in drop-down menus after 
upgrading from kernel 4.4.0-21 to  4.4.0-22.39-generic 4.4.8 on Xenial (Ubuntu 
16.04 LTS) x64

** Summary changed:

- CTRL hotkeys no longer functioning or visible in drop-down menus after 
upgrading from kernel 4.4.0-21 to  4.4.0-22.39-generic 4.4.8 on Xenial (Ubuntu 
16.04 LTS) x64
+ VLC Media Player: CTRL hotkeys no longer functioning or visible in drop-down 
menus after upgrading from kernel 4.4.0-21 to  4.4.0-22.39-generic 4.4.8 on 
Xenial (Ubuntu 16.04 LTS) x64

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Title:
  VLC Media Player: CTRL hotkeys no longer functioning or visible in
  drop-down menus after upgrading from kernel 4.4.0-21 to
  4.4.0-22.39-generic 4.4.8 on Xenial (Ubuntu 16.04 LTS) x64

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[Bug 1577024] Re: Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM) claim/release logic in USBFS

2016-05-05 Thread Matthew Giassa 
Sure thing.

Could you please add this to "Vivid"? It appears the latest kernel
release for 14.04.3 may now suffer from this issue too.


========
Matthew Giassa, MASc, BASc, EIT
Security and Embedded Systems Specialist
linkedin: https://ca.linkedin.com/in/giassa
e-mail:   matt...@giassa.net
website:  www.giassa.net

>  Original Message 
> Subject: [Bug 1577024] Re: Kernel 4.2.X and 4.4.X - Fix USB3.0 link
> power management (LPM) claim/release logic in USBFS
> From: Joseph Salisbury <joseph.salisb...@canonical.com>
> Date: Thu, May 05, 2016 11:09 am
> To: matt...@giassa.net
> 
> 
> Can you add a comment here when the patch makes it into mainline?  We
> can then cherry-pick and SRU it.
> 
> ** Tags added: kernel-da-key
> 
> ** Changed in: linux (Ubuntu)
>Status: Confirmed => Triaged
> 
> ** Changed in: linux (Ubuntu)
>Importance: Undecided => Medium
> 
> ** No longer affects: linux-image-4.2.0-rc7 (Ubuntu)
> 
> ** Also affects: linux (Ubuntu Xenial)
>Importance: Undecided
>Status: New
> 
> ** Also affects: linux (Ubuntu Wily)
>Importance: Undecided
>Status: New
> 
> ** Changed in: linux (Ubuntu Wily)
>Status: New => Triaged
> 
> ** Changed in: linux (Ubuntu Xenial)
>Status: New => Triaged
> 
> ** Changed in: linux (Ubuntu Wily)
>Importance: Undecided => Medium
> 
> ** Changed in: linux (Ubuntu Xenial)
>Importance: Undecided => Medium
> 
> -- 
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1577024
> 
> Title:
>   Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM)
>   claim/release logic in USBFS
> 
> Status in linux package in Ubuntu:
>   Triaged
> Status in linux source package in Wily:
>   Triaged
> Status in linux source package in Xenial:
>   Triaged
> 
> Bug description:
>   I am currently carrying out kernel testing and debugging with Alan Stern on 
> the mainline kernel. Alan has proposed a patch to resolve a bug in USBFS that 
> causes USB machine vision cameras to fail on kernels that contain the 
> following patch:
>   commit e951f84074b84a3f5aecbffd01da74576e0068d5
>   Author: Lu Baolu <baolu...@linux.intel.com>
>   Date:   Tue Jun 16 09:08:26 2015 +0800
>   usb: core: lpm: set lpm_capable for root hub device
>   commit 2d2a316765d956bc5cb6bb367b2ec52ca59ab8e9 upstream.
> 
>   There is an issue in this patch that impacts software that rapidly
>   issues claim/release calls in USBFS, and all of our customers that use
>   Ubuntu 14.04.4 (kernel 4.2.x) and Ubuntu 16.04 (kernel 4.4.x) are
>   unable to communicate with their machine vision cameras using our
>   software stack.
> 
>   The patch for the mainline kernel is being tested, and is currently posted, 
> along with a history of this issue, at:
>   https://bugzilla.kernel.org/show_bug.cgi?id=115961
> 
>   Right now, all of our customers have to either use an older kernel, or
>   manually patch their own kernel with the fix provided by Alan if they
>   are required to use a newer kernel. I am raising this bug so that,
>   once the patch is submitted to the the mainline/linus series, it can
>   be included in the next "monthly" kernel update made available to the
>   general public, and so our customers can just run a normal "vanilla"
>   system without having to rely on manually patching their kernel every
>   time they need to update.
> 
>   I can be contacted at:
>   matt...@giassa.net
>   matthew.gia...@ptgrey.com
> 
>   Thank you.
> 
>   ProblemType: Bug
>   DistroRelease: Ubuntu 14.04
>   Package: linux-image-3.13.0-55-generic 3.13.0-55.94
>   ProcVersionSignature: Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20
>   Uname: Linux 3.13.0-55-generic i686
>   NonfreeKernelModules: nvidia
>   ApportVersion: 2.14.1-0ubuntu3.19
>   Architecture: i386
>   AudioDevicesInUse:
>USERPID ACCESS COMMAND
>/dev/snd/controlC0:  owner  4035 F pulseaudio
>   CurrentDesktop: Unity
>   Date: Sat Apr 30 10:36:15 2016
>   EcryptfsInUse: Yes
>   HibernationDevice: RESUME=UUID=0287e25d-68d6-4390-aced-c682b8e13b60
>   InstallationDate: Installed on 2013-09-23 (949 days ago)
>   InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release i386 
> (20130820.1)
>   IwConfig:
>lono wireless extensions.
>
>cscotun0  no wireless extensions.
>
>eth0  no wireless extensions.
>   MachineType: Hewlett-Packard HP xw4600 Workstation
>   ProcFB:
>
>   ProcKernelC

[Bug 1577024] Re: Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM) claim/release logic in USBFS

2016-05-01 Thread Matthew Giassa 
** Also affects: linux-image-4.2.0-rc7 (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM)
  claim/release logic in USBFS

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[Bug 1577024] Re: Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM) claim/release logic in USBFS

2016-04-30 Thread Matthew Giassa 
Also, all of the attachments provided by the bug reporter are useless,
as they do not relate to the issue at hand.

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Title:
  Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM)
  claim/release logic in USBFS

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[Bug 1577024] [NEW] Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM) claim/release logic in USBFS

2016-04-30 Thread Matthew Giassa 
Public bug reported:

I am currently carrying out kernel testing and debugging with Alan Stern on the 
mainline kernel. Alan has proposed a patch to resolve a bug in USBFS that 
causes USB machine vision cameras to fail on kernels that contain the following 
patch:
commit e951f84074b84a3f5aecbffd01da74576e0068d5
Author: Lu Baolu 
Date:   Tue Jun 16 09:08:26 2015 +0800
usb: core: lpm: set lpm_capable for root hub device
commit 2d2a316765d956bc5cb6bb367b2ec52ca59ab8e9 upstream.

There is an issue in this patch that impacts software that rapidly
issues claim/release calls in USBFS, and all of our customers that use
Ubuntu 14.04.4 (kernel 4.2.x) and Ubuntu 16.04 (kernel 4.4.x) are unable
to communicate with their machine vision cameras using our software
stack.

The patch for the mainline kernel is being tested, and is currently posted, 
along with a history of this issue, at:
https://bugzilla.kernel.org/show_bug.cgi?id=115961

Right now, all of our customers have to either use an older kernel, or
manually patch their own kernel with the fix provided by Alan if they
are required to use a newer kernel. I am raising this bug so that, once
the patch is submitted to the the mainline/linus series, it can be
included in the next "monthly" kernel update made available to the
general public, and so our customers can just run a normal "vanilla"
system without having to rely on manually patching their kernel every
time they need to update.

I can be contacted at:
matt...@giassa.net
matthew.gia...@ptgrey.com

Thank you.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-55-generic 3.13.0-55.94
ProcVersionSignature: Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20
Uname: Linux 3.13.0-55-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: i386
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC0:  owner  4035 F pulseaudio
CurrentDesktop: Unity
Date: Sat Apr 30 10:36:15 2016
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=0287e25d-68d6-4390-aced-c682b8e13b60
InstallationDate: Installed on 2013-09-23 (949 days ago)
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release i386 
(20130820.1)
IwConfig:
 lono wireless extensions.
 
 cscotun0  no wireless extensions.
 
 eth0  no wireless extensions.
MachineType: Hewlett-Packard HP xw4600 Workstation
ProcFB:
 
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-55-generic 
root=UUID=292845c9-c333-4592-aa06-bc01f45d3ee6 ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-55-generic N/A
 linux-backports-modules-3.13.0-55-generic  N/A
 linux-firmware 1.127.19
RfKill:
 
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-07-30 (639 days ago)
dmi.bios.date: 07/09/2012
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786F3 v01.34
dmi.board.asset.tag: CAC94101JZ
dmi.board.name: 0AA0h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: CAC94101JZ
dmi.chassis.type: 6
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: 
dmi:bvnHewlett-Packard:bvr786F3v01.34:bd07/09/2012:svnHewlett-Packard:pnHPxw4600Workstation:pvr:rvnHewlett-Packard:rn0AA0h:rvr:cvnHewlett-Packard:ct6:cvr:
dmi.product.name: HP xw4600 Workstation
dmi.sys.vendor: Hewlett-Packard

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: apport-bug i386 third-party-packages trusty

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https://bugs.launchpad.net/bugs/1577024

Title:
  Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM)
  claim/release logic in USBFS

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