* [Bug 210767] New: uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
@ 2020-12-18 11:40 bugzilla-daemon
2020-12-18 14:02 ` [Bug 210767] " bugzilla-daemon
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: bugzilla-daemon @ 2020-12-18 11:40 UTC (permalink / raw)
To: linux-usb
https://bugzilla.kernel.org/show_bug.cgi?id=210767
Bug ID: 210767
Summary: uvcvideo: Webcam (1f3a:100e) stopped working after
8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
Product: Drivers
Version: 2.5
Kernel Version: 5.10.1-2.g8f3d468
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: USB
Assignee: drivers_usb@kernel-bugs.kernel.org
Reporter: doerges@pre-sense.de
CC: tiwai@suse.de
Regression: Yes
The device in question is
Renkforce RF AC4K 300 Action Cam 4K
https://www.conrad.de/de/p/action-cam-renkforce-rf-ac-4k-webcam-4k-wlan-wasserfest-staubgeschuetzt-1577043.html
When connected via USB to a PC, it offers two modes:
- mass storage
- camera
When set to webcam mode it identifies as:
[34367.545510] uvcvideo: Found UVC 1.00 device Android (1f3a:100e)
I tested against 5.10.1-2.g8f3d468.
With 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
(https://raw.githubusercontent.com/SUSE/kernel-source/openSUSE-15.2/patches.suse/media-uvcvideo-Ensure-all-probed-info-is-returned-to.patch)
the device stopped working in camera mode, i.e. no more video capture.
When reversing the above patch, the device is working as expected.
Downstream bug report is at
https://bugzilla.opensuse.org/show_bug.cgi?id=1180117
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* [Bug 210767] uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
2020-12-18 11:40 [Bug 210767] New: uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe bugzilla-daemon
@ 2020-12-18 14:02 ` bugzilla-daemon
2020-12-19 19:51 ` bugzilla-daemon
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: bugzilla-daemon @ 2020-12-18 14:02 UTC (permalink / raw)
To: linux-usb
https://bugzilla.kernel.org/show_bug.cgi?id=210767
--- Comment #1 from Laurent Pinchart (laurent.pinchart+bugzilla-kernel@ideasonboard.com) ---
Could you please provide the output of
lsusb -v -d 1f3a:100e
(if possible running as root) ?
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* [Bug 210767] uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
2020-12-18 11:40 [Bug 210767] New: uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe bugzilla-daemon
2020-12-18 14:02 ` [Bug 210767] " bugzilla-daemon
@ 2020-12-19 19:51 ` bugzilla-daemon
2020-12-20 11:55 ` bugzilla-daemon
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: bugzilla-daemon @ 2020-12-19 19:51 UTC (permalink / raw)
To: linux-usb
https://bugzilla.kernel.org/show_bug.cgi?id=210767
--- Comment #2 from Till Dörges (doerges@pre-sense.de) ---
Created attachment 294237
--> https://bugzilla.kernel.org/attachment.cgi?id=294237&action=edit
Output from lsusb as root
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* [Bug 210767] uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
2020-12-18 11:40 [Bug 210767] New: uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe bugzilla-daemon
2020-12-18 14:02 ` [Bug 210767] " bugzilla-daemon
2020-12-19 19:51 ` bugzilla-daemon
@ 2020-12-20 11:55 ` bugzilla-daemon
2020-12-20 14:26 ` bugzilla-daemon
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: bugzilla-daemon @ 2020-12-20 11:55 UTC (permalink / raw)
To: linux-usb
https://bugzilla.kernel.org/show_bug.cgi?id=210767
--- Comment #3 from Till Dörges (doerges@pre-sense.de) ---
The device also seems to have issues with USB suspend
(https://sourceforge.net/p/linux-uvc/mailman/message/37178728/)
Is this in any way related?
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* [Bug 210767] uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
2020-12-18 11:40 [Bug 210767] New: uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe bugzilla-daemon
` (2 preceding siblings ...)
2020-12-20 11:55 ` bugzilla-daemon
@ 2020-12-20 14:26 ` bugzilla-daemon
2020-12-20 14:27 ` bugzilla-daemon
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: bugzilla-daemon @ 2020-12-20 14:26 UTC (permalink / raw)
To: linux-usb
https://bugzilla.kernel.org/show_bug.cgi?id=210767
--- Comment #4 from Laurent Pinchart (laurent.pinchart+bugzilla-kernel@ideasonboard.com) ---
Thank you for the lsusb output.
The problem is caused by a bug in the device firmware, so we'll need to work
around it. I'll propose a patch.
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* [Bug 210767] uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
2020-12-18 11:40 [Bug 210767] New: uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe bugzilla-daemon
` (3 preceding siblings ...)
2020-12-20 14:26 ` bugzilla-daemon
@ 2020-12-20 14:27 ` bugzilla-daemon
2020-12-20 14:29 ` bugzilla-daemon
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: bugzilla-daemon @ 2020-12-20 14:27 UTC (permalink / raw)
To: linux-usb
https://bugzilla.kernel.org/show_bug.cgi?id=210767
--- Comment #5 from Laurent Pinchart (laurent.pinchart+bugzilla-kernel@ideasonboard.com) ---
Created attachment 294241
--> https://bugzilla.kernel.org/attachment.cgi?id=294241&action=edit
Tentative patch
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* [Bug 210767] uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
2020-12-18 11:40 [Bug 210767] New: uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe bugzilla-daemon
` (4 preceding siblings ...)
2020-12-20 14:27 ` bugzilla-daemon
@ 2020-12-20 14:29 ` bugzilla-daemon
2020-12-20 16:26 ` bugzilla-daemon
2020-12-20 16:42 ` bugzilla-daemon
7 siblings, 0 replies; 9+ messages in thread
From: bugzilla-daemon @ 2020-12-20 14:29 UTC (permalink / raw)
To: linux-usb
https://bugzilla.kernel.org/show_bug.cgi?id=210767
--- Comment #6 from Laurent Pinchart (laurent.pinchart+bugzilla-kernel@ideasonboard.com) ---
Assuming the patch fixes the issue, I'll submit it to the linux-media mailing
list. Till, are you OK to have your name included in the commit messages as the
reporter ?
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* [Bug 210767] uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
2020-12-18 11:40 [Bug 210767] New: uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe bugzilla-daemon
` (5 preceding siblings ...)
2020-12-20 14:29 ` bugzilla-daemon
@ 2020-12-20 16:26 ` bugzilla-daemon
2020-12-20 16:42 ` bugzilla-daemon
7 siblings, 0 replies; 9+ messages in thread
From: bugzilla-daemon @ 2020-12-20 16:26 UTC (permalink / raw)
To: linux-usb
https://bugzilla.kernel.org/show_bug.cgi?id=210767
--- Comment #7 from Till Dörges (doerges@pre-sense.de) ---
(In reply to Laurent Pinchart from comment #6)
> Assuming the patch fixes the issue, I'll submit it to the linux-media
> mailing list.
Will try to give the patch a shot asap.
> Till, are you OK to have your name included in the commit
> messages as the reporter ?
Yes, including my name is okay.
Thanks for the quick turnaround!
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* [Bug 210767] uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe
2020-12-18 11:40 [Bug 210767] New: uvcvideo: Webcam (1f3a:100e) stopped working after 8a652a17e3c005dcdae31b6c8fdf14382a29cbbe bugzilla-daemon
` (6 preceding siblings ...)
2020-12-20 16:26 ` bugzilla-daemon
@ 2020-12-20 16:42 ` bugzilla-daemon
7 siblings, 0 replies; 9+ messages in thread
From: bugzilla-daemon @ 2020-12-20 16:42 UTC (permalink / raw)
To: linux-usb
https://bugzilla.kernel.org/show_bug.cgi?id=210767
--- Comment #8 from Till Dörges (doerges@pre-sense.de) ---
Tests were against 5.10.1-2.g8f3d468.
I applied the patch from comment 5
(0001-media-uvcvideo-Accept-invalid-bFormatIndex-and-bFram.patch).
The device is working as expected with that patch.
Thanks!
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