This bug has been reported on the Ubuntu laptop testing tracker.
A list of all reports related to this bug can be found here:
http://laptop.qa.ubuntu.com/qatracker/reports/bugs/1014749
** Tags added: laptop-testing
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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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https://bugs.launchpad.net/bugs/1014749
Patrick Welche, this bug was reported a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
I am also affected by this bug. Every time I start a USB web cam
Kaffiene stops with a message box Read error from.
Press the button and it can be restarted, with both working .
I have been putting up for it for a good while, possibly since Kubuntu
11.04. Currently on 12.10 normal release.
I am running into the same problem. I have a Microsoft/2000 web cam,
USB ID 045e:0761. I am running Ubuntu 12.04 LTS with the
3.2.0-30-generic #48-Ubuntu SMP kernel. May I help with this problem?
jeffs@jeffs-desktop:~$ dmesg | grep ehci
[1.411372] ehci_hcd: USB 2.0 'Enhanced' Host
On Mon, Jul 23, 2012 at 9:45 PM, Patrick Welche pr...@cam.ac.uk wrote:
so no ehci-hcd...
ehci-hcd may be built into kernel, you can check the 'dmesg' to confirm
it.
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Doesn't (lsusb -v)
Bus 001 Device 005: ID 046d:09a1 Logitech, Inc. QuickCam Communicate MP/S5500
Device Descriptor:
bLength18
bDescriptorType 1
bcdUSB 2.00
suggest that it really is a USB2 camera?
I booted the standard
Linux flotta 3.2.0-26-generic
From the 'dmesg' and 'lsusb', your problem may be related with split
transaction
schedule in ehci host controller driver, which is still not good enough now.
I guess that the camera may work well after you run the below command
on the machine with intel chipsets.
$sudo rmmod
So you're saying that apport doesn't collect the information you need? ;-)
Sure enough, dmesg suggests usb1:
[100953.328121] usb 4-2: USB disconnect, device number 2
[100957.568275] usb 1-1.5: new full-speed USB device number 5 using ehci_hcd
[100957.755721] uvcvideo: Found UVC 1.00 device
Just suggestion. Here is one part form kernel config:
│ CONFIG_USB_EHCI_TT_NEWSCHED:
│
│
│
│ This changes the periodic
I bought a dirt cheap unbranded PCI USB card:
0a:00.0 USB controller: VIA Technologies, Inc. VT82x UHCI USB 1.1
Controller (rev 50)
0a:00.1 USB controller: VIA Technologies, Inc. VT82x UHCI USB 1.1
Controller (rev 50)
0a:00.2 USB controller: VIA Technologies, Inc. USB 2.0 (rev 51)
On Thu, Jul 12, 2012 at 8:47 PM, Patrick Welche pr...@cam.ac.uk wrote:
Connecting the camera to it gets me a 640x480 image with cheese and
guvcview. Slightly odd:
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 046d:09a1 Logitech, Inc. QuickCam
I booted with your
Linux flotta 3.2.0-27-generic #43 SMP Sat Jul 7 15:15:28 CST 2012
x86_64 x86_64 x86_64 GNU/Linux
and took a trace (quickcam.out) of just running cheese with
Bus 002 Device 003: ID 046d:09a1 Logitech, Inc. QuickCam Communicate
MP/S5500
as a camera.
** Attachment added:
On Sun, Jul 8, 2012 at 4:54 AM, Patrick Welche pr...@cam.ac.uk wrote:
Unfortunately
OK, could you provide the usbmon trace according to the guide in
Documentation/usb/usbmon.txt or the link[1]?
[1], http://www.mjmwired.net/kernel/Documentation/usb/usbmon.txt
thanks,
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Ming Lei
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You
On Thu, Jul 5, 2012 at 9:22 AM, Ming Lei ming@canonical.com wrote:
Recently, there were several similar reports about uvcvideo, and one
bug is found
in uvcvideo driver, see below link:
http://marc.info/?l=linux-usbm=134020455311063w=2
I will prepare a kernel image with applying
Unfortunately
Linux flotta 3.2.0-27-generic #43 SMP Sat Jul 7 15:15:28 CST 2012 x86_64
x86_64 x86_64 GNU/Linux
didn't fix my bug. I still get libv4l2: error turning on stream: No
space left on device
I haven't looked at the linux drivers. I have found a problem in another
OS which may be
To quote from my original bug description above:
These cameras work on other computers running 10.04 - if I had to
guess, this is the only computer I have with USB3 ports - so is it a USB
controller driver issue?
so I agree.
The other bug involves an Intel 6 series chipset, whereas this one
Recently, there were several similar reports about uvcvideo, and one
bug is found
in uvcvideo driver, see below link:
http://marc.info/?l=linux-usbm=134020455311063w=2
I will prepare a kernel image with applying the patch for your test.
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Patrick, see..
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1018020. It appears
it might be a usb3/usb2 thing.
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https://bugs.launchpad.net/bugs/1014749
Title:
can't read
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Title:
can't read uvcvideo (usb video / webcams) devices
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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
v3.5kernel[0] (Not a kernel in the daily directory) and install both the
linux-image and linux-image-extra .deb packages.
Once you've tested the
Just tried with
3.5.0-030500rc3-generic #201206162135 SMP Sun Jun 17 01:36:04 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
Same overall problem. cheese got a slightly more exciting X Windows
System error. gucview gives (with the 3rd camera listed above):
video device: /dev/video0
Init. VF0560 Live!
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