"VIA Labs, Inc. (one of the largest manufacturers of USB 3.0 hub
chipsets on the market) does not make an update program for Apple Mac OS
X or Linux/Unix. "
Vote with your wallets people.
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@Warren,
Has this been resolved yet in upstream? *(I'm asking for selfish
reasons as I almost just bought one of these).
Also if this still exists on the GenesysLogic 3520 (maybe 3521) hub that
would likely require a separate change and as such should be a separate
bug.
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Not seeing a lot of value so far to submitting this upstream. Not even
an acknowledgment, let alone triage or action. I subscribed to the
Linux-usb thread and there seems to be no tracking system, no actual
process what-so-ever. It's just talented people running around in 50
different directions
Have just tested and bug exists in upstream 4.0-rc3. Notation left at
upstream reporting point.
** Tags removed: kernel-bug-exists-upstream-4.0-rc2
** Tags added: kernel-bug-exists-upstream-4.0-rc3
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Bug now submitted upstream.
http://permalink.gmane.org/gmane.linux.usb.general/123210
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https://bugs.launchpad.net/bugs/1425803
Title:
Driver problem with USB chipset VIA VL812-B2
To
Kernel 4.0-rc2 tested. Problem remains.
In rc2 there was a minimal fglrx driver in the kernel so I was able to
get a more usual desktop and use the graphical system monitor app. The
manifestation of the problem is slightly different now. Total CPU usage
still goes to 24 - 25% when a USB 3.0 hub
Warren, the issue you are reporting is an upstream one. Could you please
report this problem to the appropriate mailing list (linux-usb) by
following the instructions verbatim at
https://wiki.ubuntu.com/Bugs/Upstream/kernel ?
Please provide a direct URL to your e-mail to the mailing list once you
Warren, could you please test the latest mainline kernel 4.0-rc2 and
advise to the results?
** Tags removed: 3.0 hub usb
** Tags added: bios-outdated-f.35
** Tags removed: bios-outdated-f.35
** Tags added: latest-bios-f.35 latest-firmware
** Changed in: linux (Ubuntu)
Status: Confirmed =
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
Driver problem with USB chipset VIA VL812-B2
To manage
This bug occurs with more than just one chipset. For chuckles I picked
up a 7-port USB 3.0 hub that uses GenesysLogic 3520 (maybe 3521)
chipsets. *SAME PROBLEM*.
I can confirm that this problem occurs with more than just the VIA
VL812-B2 chipset. How many different chipsets, who knows. The VIA
In scouring the internet I have found references to similar matter with bsd.
Seems maybe the xhci driver folks maybe haven't quite got around to supporting
non-root USB 3.0 hubs.
http://netbsd.2816.n7.nabble.com/Help-USB-3-0-xHCI-driver-does-not-support-non-root-hub-td308329.html
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NB. VL812-B2 chipset firmware updated from version 9081 to 9091.
Apparently no effect on this problem.
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https://bugs.launchpad.net/bugs/1425803
Title:
Driver problem with USB chipset
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.0 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
** Tags added: kernel-bug-exists-upstream
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Title:
Driver problem with USB chipset VIA VL812-B2
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The bug still exists in kernel 4.0rc1. Tag added as requested.
Intallation was very problematic, but I was able to boot into terminal
mode. (Lack of flgrx prevented usual environment...). htop confirms
bug as before, although I was not able to view the offending process
names. CPU at 0.1 to 0.5
NB. Computer BIOS updated from F.31 to F.35. Apparently no effect on
this problem.
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Title:
Driver problem with USB chipset VIA VL812-B2
To
** Changed in: linux (Ubuntu)
Importance: Undecided = High
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Title:
Driver problem with USB chipset VIA VL812-B2
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