-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hello again, On 05/05/18 08:34, Kieran Bingham wrote: > Hi Sebastian, > > On 04/05/18 19:45, Sebastian Reichel wrote: >> Hi, >> >> I just got the following error message every ms with 4.17-rc3 after >> upgrading to for first ~192 seconds after system start (Debian >> 4.17~rc3-1~exp1 kernel) on my Thinkpad X250: >> >>> uvcvideo: Failed to query (GET_MIN) UVC control 2 on unit 1: -32 (exp. >>> 1). > > I have submitted a patch to fix this ... (and I thought it would have got > in by now ... so I'll chase this up) Mauro - I just saw Laurent sent a pull-request for this last week, so I guess maybe it's on it's way: [GIT FIXES FOR v4.17] UVC fixes (25/04/2018) But perhaps it got missed ? - I don't see this patch in media/v4.17-4: git log media/v4.17-4 --grep="media: uvcvideo: Prevent setting unavailable flags " <blank> Anyway, I'll leave this in your hands. - -- Regards Kieran > Please see : https://patchwork.linuxtv.org/patch/48043/ and apply the > patch to bring your system logs back to a reasonable state :D > > Laurent, Mauro, > > This is the second bug report I've had on this topic. Can we aim to get > this patch merged please? > >> I see /dev/video0 and /dev/video1. The first one seems to be functional. >> The second one does not work and does not make sense to me (the system >> has only one webcam). I did not try to bisect anything. Here is some >> more information, that might be useful: > > There are two device nodes now, as one is provided to output meta-data or > such. > > >>> sre@earth ~ % mpv /dev/video1 Playing: /dev/video1 [ffmpeg/demuxer] >>> video4linux2,v4l2: ioctl(VIDIOC_G_INPUT): Inappropriate ioctl for >>> device [lavf] avformat_open_input() failed Failed to recognize file >>> format. sre@earth ~ % udevadm info /dev/video0 P: >>> /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/video4linux/video0 >>> N: video0 E: DEVNAME=/dev/video0 E: >>> DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/video4linux/video0 >>> >>> >>> E: MAJOR=81 >>> E: MINOR=0 E: SUBSYSTEM=video4linux sre@earth ~ % udevadm info >>> /dev/video1 P: >>> /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/video4linux/video1 >>> N: video1 E: DEVNAME=/dev/video1 E: >>> DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/video4linux/video1 >>> >>> >>> E: MAJOR=81 >>> E: MINOR=1 E: SUBSYSTEM=video4linux sre@earth ~ % lsusb -d 04ca:703c >>> Bus 001 Device 004: ID 04ca:703c Lite-On Technology Corp. >> >> -- Sebastian > > > Regards > > Kieran > -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEkC3XmD+9KP3jctR6oR5GchCkYf0FAlrtYWoACgkQoR5GchCk Yf3tQg/7BgBFIj9more5vTaCFEU2L+tapdOBItO+mgzHI9fFXVHAmaVUlSjVAiMX PlyRx1NsSnCRSZ4b6R/ydjEuNG5dLr2B8LfS5QP/6ABmUCONdCBIbx/2mDk+DtoX XZeI65MMr3nZG7f6ZNq2EoVPIcFF4WLY4CsfixBOye3ps4e91IkTDFA/EVG0qkD8 XLRHACYSe/7lMS2TcAyOlmzWecYLYqnFBxfjlBD80NfdWITsDZdooZ3KUdHTCqN4 ooWjyifkeh79D8M9PGhnNGoB4gbHjTMhbZEH4RaABdv/jO/L4kPExX+2Wjc4LnRj QlWmLm9svIisXJaPO6sPg+rIUr6xLTs5Dv5yYU+UpR9AVfVusHy7FfFoYkcHpThZ h0rc1yi6eU4/Nnz1BvQbLCdjab2yEF5nD05PQs22r4ZJy04ymiz+y3SZvlr8vYfu 2ZRJzjkvFHtWV3yd/LfjxmuzmYXH4Yn+yN8jMGu8sY4JtJEsSF8qPbjDpicOhXvI pv4V9xvDGscsZdKFaNv0IES+NHNRsgPvx0sR0DOb3MC8T9p+aEJPfQEBly1XBPG0 4GkvuA//DKpBASFdlSpKt4YW6OX56X+g8BPOcaBJV8BlBRzumDk4cAZ/T2t4DLm5 w3GnEwWLu0BiWl1LKqgh4xVgOg45IqcJJmDgupM3WzjCrYwVCbo= =B80a -----END PGP SIGNATURE-----
