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, how
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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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 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
> added: latest-bios-a06
> removed: bios-outdated-a06
Thanks for the udpate!
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https://bugs.launchpad.net/bugs/1412121
Title:
Hauppauge USB-Live2 fails on Haswell USB3 port
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Would you please let me know why you added the "bios-outdated-a06" tag?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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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/+attachmen
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: "
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/+attachmen
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/linu
Reported to linux-usb:
http://thread.gmane.org/gmane.linux.usb.general/121094
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Title:
Hauppauge USB-Live2 fails on Haswell USB3 port
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 US
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
Public bug reported:
Hi,
I've been attempting to capture video using a Hauppauge USB-Live2. This
works fine in Ubuntu 14.04 on an older laptop that only has USB2 ports,
but fails on my Dell XPS13 which is USB3 with the Haswell chipset.
The information in this bug report is based on Ubuntu 14.10
> Is there a regression with 3.13.0-29?
No problems here with 3.13.0-29 (i2c_hid is blacklisted).
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https://bugs.launchpad.net/bugs/1218973
Title:
[Dell XPS 12-9Q33] Touchp
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