[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

Further information:  The patch has been back-ported to mainline 3.19.5,
and the mainline 3.19.6 kernel appears to have further improved the
situation, so that booting with the Live2 plugged in also works.  I
can't be sure that the problem won't happen again, as it appears to be
timing related, however it is certainly much better.

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

Hi Christopher,

Thanks for the clarification, I'm looking forward to when this works
its' way through to the Ubuntu kernel.

Thanks again,
Alistair

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Christopher M. Penalver]

Alistair Grant, Fix Committed for linux (Ubuntu) is reserved for when a
patch is available in the Proposed repository, as outlined in
https://wiki.ubuntu.com/Bugs/Status .

** Tags added: cherry-pick

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

A kernel patch has been accepted that mostly resolves this issue:

http://www.gossamer-threads.com/lists/linux/kernel/2126922

This modifies the xHCI driver to apply a quirk (XHCI_AVOID_BEI) to all
Intel xHCI host controllers (previously the quirk was only applied to
one series of Intel controllers).  The patch affects all isochronous USB
devices, e.g. video and audio capture.

After applying the patch I'm able to record video as long as the Live2
is plugged in after the PC has booted.  If the Live2 is present during
boot, the failure is intermittent.  Our latest hypothesis is that this
is a bug in the cx231xx driver, not the xHCI driver. The current
behaviour is still a big step forward, allowing reliable recording, and
likely will resolve issues for a significant number of video and audio
capture devices connected to Intel xHCI host controllers, thus for now I
would mark this issue resolved and I'll submit another bug report if I'm
able to narrow down the outstanding issue(s).

I've successfully tested the patch against the following kernels:

* Mainline 4.0-rc5
* Mainline 3.19.2
* Mainline 3.19.3
* Ubuntu 3.19.0-10-generic

It looks like it will be kernel 4.1 before the patch makes it to general
availability.

Should I change the status from "Triaged" to "Fix Committed"?

Thanks,
Alistair

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

The attached syslog is the result of running 3.19.0 with a proposed xHCI
patch:

* xhci: Allocate correct amount of scratchpad buffers

I'll notify the xhci kernel maintainer.

** Attachment added: "syslog - xhci: Allocate correct amount of scratchpad 
buffers"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1412121/+attachment/4330313/+files/syslog

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

> added: latest-bios-a06
> removed: bios-outdated-a06

Thanks for the udpate!

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Christopher M. Penalver]

** Tags removed: bios-outdated-a06
** Tags added: latest-bios-a06

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

Hi Christopher,

Would you please let me know why you added the "bios-outdated-a06" tag?

I updated the bios just before originally submitting this bug to confirm
that it wasn't fixed by the BIOS.   A06, dated 22 Dec 2014, is the
latest offered by the Australian Dell website.

Thanks,
Alistair

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Christopher M. Penalver]

** Tags added: bios-outdated-a06

** Tags added: kernel-bug-exists-upstream-3.19-rc5 vivid

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

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

Another USB device crash, this time caused by try to format an external
disk with gparted.  Probably not the same bug, but I'm passing it on to
the kernel maintainers.

** Attachment added: "syslog-3.19rc6-m0.1-gparted.log"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1412121/+attachment/4306068/+files/syslog-3.19rc6-m0.1-gparted.log

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

Updated kernel applying
https://github.com/OpenELEC/OpenELEC.tv/commit/b636927dec20652ff020e54ed7838a2e9be51e03

This kernel successfully records video and audio for the first time
using the xhci stack, but usb locks up afterwards (lsusb never returns).

See attached syslog.

** Attachment added: "2015-01-26-syslog-14.10-3.19rc5akg0.1.log"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1412121/+attachment/4305645/+files/2015-01-26-syslog-14.10-3.19rc5akg0.1.log

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

Adding another syslog with additional logging enabled by:

echo -n 'module xhci_hcd =p' > /sys/kernel/debug/dynamic_debug/control

requested by module maintainer.

** Attachment added: "syslog with verbose xhci_hcd logging"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1412121/+attachment/4303563/+files/syslog-14.10-3.19rc5mathias0.2-2.log

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

Reported to alsa-devel: http://mailman.alsa-project.org/pipermail/alsa-
devel/2015-January/086877.html

I've already received confirmation from the original author of the
Hauppauge USB-Live2 USB driver that there are problems with the device
on the xHCI stack, see: http://www.spinics.net/lists/linux-
usb/msg120276.html

Thanks,
Alistair

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

Reported to linux-usb:
http://thread.gmane.org/gmane.linux.usb.general/121094

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Chris J Arges]

Alistair,
Yes please report this upstream to linux-usb and alsa-devel. Thanks!
We'd be more than happy to include and resulting fixes in Ubuntu.

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

After a bit more testing, accidentally selecting the wrong video device
and successfully recording video from the built-in webcam and audio from
the Live2, I think it is reasonable to say that the ALSA errors in
"syslog from mainline 3.19rc5" are due to problems between the Live2
drivers and the USB3 drivers.

Should I be reporting this to the linux-usb mailing list?

Thanks again,
Alistair

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alistair Grant]

I tried 3.19.0-031900rc5-generic from the mainline builds.  I'm able to
get further this time in that I can record something, however you can
see errors in syslog, attached below.   I think the relevant events are
at:

16:47:02 - system boot (I think)
16:48:16 - plug the Live2 in to the USB port
16:48:23 - ALSA reports an error (about the time I started recording)
16:50:14 - xhci_hcd :00:14.0: xHCI host not responding to stop endpoint 
command

Unsurprisingly, after this the USB system stops responding, unplugging
the Live2 and plugging in a mouse shows nothing in the log file, and the
mouse doesn't work (the touchpad continues to operate correctly).

Thanks again,
Alistair


** Attachment added: "syslog from mainline 3.19rc5"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1412121/+attachment/4301235/+files/syslog-14.10-3.19rc5.log

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

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  Hauppauge USB-Live2 fails on Haswell USB3 port

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alberto Salvia Novella]

Does this also happen using the mainline built?


When answered, please set this bug status back to "confirmed". Thank
you.

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

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[Bug 1412121] Re: Hauppauge USB-Live2 fails on Haswell USB3 port

[Alberto Salvia Novella]

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

** Tags added: kernel-input

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