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utopic has seen the end of its life and is no longer receiving any
updates. Marking the utopic task for this ticket as "Won't Fix".
** Changed in: linux (Ubuntu Utopic)
Status: Triaged => Won't Fix
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That's a real serious problem
Here on 14.04.3 fresh kernel 3.19 , no application can access the UVC
webcam.
SOlution on #20 does not work on 14.04.3 , don't understand why
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The solution in #20 worked for me as well with kernel 3.16.0-38 on Ubuntu 14.04
.2
With the older 14.04 kernel 3.13.0-53 it also worked with the version guvcview
2.0.0 from the stable ppa.
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** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Utopic)
Importance: Undecided = Medium
** Changed in: linux (Ubuntu Utopic)
Status: New = Triaged
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Now it is fixed upstream. It needs to be backported
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=c601f53f8fe5aab4d8b506104d0fd0a7b6a19922
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I'm not sure if this is of any help, but I've had trouble with Suyin
webcam on my Asus laptop running the 3.16.0-31 kernel. Kernel
3.13.0-37.64 worked well...
Here is the hw id:
Bus 001 Device 003: ID 064e:9700 Suyin Corp.
in skype the video screen from me and remote was black and I noticed
seems to be fixed:
http://git.linuxtv.org/cgit.cgi/pinchartl/media.git/commit/?h=uvcvideo/fixesid=a7f053c67c357c4b68c1be21976a1d464f97916b
but currently not yet upstream.
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Hi,
after increasing verbosity on the driver and get:
EOF on empty payload
this is consistent with the zero sized frames returned by the driver.
I'll try to install the latest media tree:
http://git.linuxtv.org/cgit.cgi/media_build.git/about/
and check if this issue is fixed upstream
I've also
I've set a warkaround in guvcview for this buggy behaviour, if bytesused is
zero guvcview will now use the length field.
It serves as a workaround but this clearly violates the v4l2 api:
http://linuxtv.org/downloads/v4l-dvb-apis/buffer.html
bytesused - ... Drivers must set this field when type
With 3.17-rc6, the VM recognises the video device again, but guvcview
segfaults.
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https://bugs.launchpad.net/bugs/1362358
Title:
uvcvideo doesn't work with USB webcam with
I tried 3.17-rc6 on the laptop instead of in a VM, and guvcview doesn't
segfault, but exhibits the same error as originally reported for 3.16 in
this bug.
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I haven't received any response from the bugzilla report (see the link I
posted, https://bugzilla.kernel.org/show_bug.cgi?id=81611).
I tried 3.17-rc5 but it failed to create the /dev/videoX file, so
guvcview just reported it couldn't find a video device.
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3.16-rc1 doesn't boot on my main laptop, either, even in recovery mode.
I can see a bunch of [169198.816426] init: plymouth-upstart-bridge
respawning too fast, stopped messages in the log.
There doesn't seem to be any interest in the upstream bug, which I
reported four weeks ago - is it not the
This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report[0]? That will allow the upstream Developers to examine the issue,
and may provide a quicker resolution to the bug.
Please follow the instructions on
If this issue is not already known upstream, we can perform a kernel
bisect to identify the commit that introduced the regression.
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https://bugs.launchpad.net/bugs/1362358
Sorry, there is already an upstream bug report :-) We can perform a
bisect then
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https://bugs.launchpad.net/bugs/1362358
Title:
uvcvideo doesn't work with USB webcam with
So, 3.16-rc2 is the first kernel that exhibts this bug, and you cannot
test -rc1? If so, we can bisect between 3.15 final and 3.16-rc2.
However, it may be time consuming until we find out what is preventing
-rc1 from booting for you.
** Tags added: performing-bisect
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Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.17 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
Same problem in 3.17-rc2.
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https://bugs.launchpad.net/bugs/1362358
Title:
uvcvideo doesn't work with USB webcam with linux 3.16
Status in The Linux Kernel:
Unknown
Just to confirm, booting an earlier kernel version will make this bug go
away?
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Triaged
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Yes, it works fine with 3.15.10-031510-generic.
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https://bugs.launchpad.net/bugs/1362358
Title:
uvcvideo doesn't work with USB webcam with linux 3.16
Status in The Linux
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