Can't use webcam [uvcvideo]
The webcam is successfully detected, the modules are loaded, but cheese can't open the stream (or VLC).
Output of lsusb
Output of lsmodCode:Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 020: ID 064e:d101 Suyin Corp. Acer CrystalEye Webcam Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
I did `echo 0xffff > /sys/module/uvcvideo/parameters/traceCode:Module Size Used by ctr 16384 3 ccm 20480 3 arc4 16384 2 b43legacy 106496 0 b43 401408 0 bcma 49152 1 b43 mac80211 626688 2 b43,b43legacy ssb 57344 2 b43,b43legacy cfg80211 462848 3 b43,mac80211,b43legacy binfmt_misc 20480 1 uvcvideo 73728 0 videobuf2_vmalloc 16384 1 uvcvideo videobuf2_memops 16384 1 videobuf2_vmalloc videobuf2_core 49152 1 uvcvideo v4l2_common 16384 1 videobuf2_core videodev 139264 3 uvcvideo,v4l2_common,videobuf2_core media 24576 2 uvcvideo,videodev acer_wmi 20480 0 snd_hda_codec_realtek 73728 1 sparse_keymap 16384 1 acer_wmi snd_hda_codec_generic 65536 1 snd_hda_codec_realtek snd_hda_intel 32768 3 snd_hda_controller 32768 1 snd_hda_intel snd_hda_codec 122880 4 snd_hda_codec_realtek,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller snd_hwdep 16384 1 snd_hda_codec coretemp 16384 0 joydev 20480 0 lpc_ich 20480 0 serio_raw 16384 0 snd_pcm 94208 3 snd_hda_codec,snd_hda_intel,snd_hda_controller snd_seq_midi 16384 0 snd_seq_midi_event 16384 1 snd_seq_midi snd_rawmidi 28672 1 snd_seq_midi snd_seq 57344 2 snd_seq_midi_event,snd_seq_midi snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi snd_timer 28672 2 snd_pcm,snd_seq snd 69632 16 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device soundcore 16384 2 snd,snd_hda_codec shpchp 32768 0 mac_hid 16384 0 parport_pc 32768 0 ppdev 20480 0 lp 20480 0 parport 40960 3 lp,ppdev,parport_pc autofs4 40960 2 xts 16384 1 gf128mul 16384 1 xts dm_crypt 24576 1 i915 937984 2 psmouse 106496 0 pata_acpi 16384 0 i2c_algo_bit 16384 1 i915 atl1c 40960 0 drm_kms_helper 110592 1 i915 drm 286720 4 i915,drm_kms_helper wmi 20480 1 acer_wmi video 20480 2 i915,acer_wmi
dmesg shows me this every time i try to open the webcam stream
If i set the Bandwidth fix quirk, the requested bandwidth goes up to 19058 B/frameCode:[73578.775286] uvcvideo: uvc_v4l2_open [73578.858256] uvcvideo: Resuming interface 0 [73578.858266] uvcvideo: Resuming interface 1 [73578.861359] uvcvideo: uvc_v4l2_release [73578.869062] uvcvideo: uvc_v4l2_open [73578.871506] uvcvideo: Trying format 0x56595559 (YUYV): 640x480. [73578.871518] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73578.891306] uvcvideo: Trying format 0x56595559 (YUYV): 640x480. [73578.891321] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73578.903496] uvcvideo: Trying format 0x56595559 (YUYV): 320x240. [73578.903510] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73578.915316] uvcvideo: Trying format 0x56595559 (YUYV): 320x240. [73578.915330] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73578.928442] uvcvideo: Trying format 0x56595559 (YUYV): 160x120. [73578.928455] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73578.943260] uvcvideo: Trying format 0x56595559 (YUYV): 160x120. [73578.943272] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73578.954396] uvcvideo: Trying format 0x56595559 (YUYV): 352x288. [73578.954406] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73578.966283] uvcvideo: Trying format 0x56595559 (YUYV): 352x288. [73578.966293] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73578.977377] uvcvideo: Trying format 0x56595559 (YUYV): 176x144. [73578.977387] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73578.991915] uvcvideo: Trying format 0x56595559 (YUYV): 176x144. [73578.991929] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.009576] uvcvideo: uvc_v4l2_release [73579.332529] uvcvideo: uvc_v4l2_open [73579.336812] uvcvideo: Trying format 0x56595559 (YUYV): 640x480. [73579.336827] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.349749] uvcvideo: Trying format 0x56595559 (YUYV): 640x480. [73579.349763] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.366634] uvcvideo: Trying format 0x56595559 (YUYV): 320x240. [73579.366648] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.377363] uvcvideo: Trying format 0x56595559 (YUYV): 320x240. [73579.377375] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.389430] uvcvideo: Trying format 0x56595559 (YUYV): 160x120. [73579.389443] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.401561] uvcvideo: Trying format 0x56595559 (YUYV): 160x120. [73579.401575] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.416826] uvcvideo: Trying format 0x56595559 (YUYV): 352x288. [73579.416838] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.428408] uvcvideo: Trying format 0x56595559 (YUYV): 352x288. [73579.428421] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.440421] uvcvideo: Trying format 0x56595559 (YUYV): 176x144. [73579.440434] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.451311] uvcvideo: Trying format 0x56595559 (YUYV): 176x144. [73579.451323] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.785559] uvcvideo: Trying format 0x56595559 (YUYV): 640x480. [73579.785572] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.804654] uvcvideo: Setting frame interval to 1/30 (333333). [73579.834776] uvcvideo: uvc_v4l2_release [73579.847129] uvcvideo: uvc_v4l2_open [73579.851583] uvcvideo: Trying format 0x56595559 (YUYV): 640x480. [73579.851597] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.867582] uvcvideo: Trying format 0x56595559 (YUYV): 640x480. [73579.867596] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.881437] uvcvideo: Trying format 0x56595559 (YUYV): 320x240. [73579.881450] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.892355] uvcvideo: Trying format 0x56595559 (YUYV): 320x240. [73579.892368] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.903522] uvcvideo: Trying format 0x56595559 (YUYV): 160x120. [73579.903535] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.913348] uvcvideo: Trying format 0x56595559 (YUYV): 160x120. [73579.913361] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.927119] uvcvideo: Trying format 0x56595559 (YUYV): 352x288. [73579.927133] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.944368] uvcvideo: Trying format 0x56595559 (YUYV): 352x288. [73579.944382] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.958437] uvcvideo: Trying format 0x56595559 (YUYV): 176x144. [73579.958447] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73579.969349] uvcvideo: Trying format 0x56595559 (YUYV): 176x144. [73579.969359] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73580.130490] uvcvideo: Trying format 0x56595559 (YUYV): 640x480. [73580.130505] uvcvideo: Using default frame interval 33333.3 us (30.0 fps). [73580.150372] uvcvideo: Setting frame interval to 1/30 (333333). [73581.560864] uvcvideo: Control 0x00980927 not found. [73581.562797] uvcvideo: uvc_v4l2_mmap [73581.562966] uvcvideo: uvc_v4l2_mmap [73581.572119] uvcvideo: Device requested 3072 B/frame bandwidth. [73581.572131] uvcvideo: No fast enough alt setting for requested bandwidth. [73581.574452] uvcvideo: uvc_v4l2_poll [73581.632453] uvcvideo: uvc_v4l2_release [73583.988182] uvcvideo: Suspending interface 1 [73583.988199] uvcvideo: Suspending interface 0
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