> Based on this log: > > Oct 18 23:08:01 mediapi kernel: [ 7590.369200] em28xx_dvb: disagrees about version of symbol dvb_dmxdev_init Oct 18 23:08:01 mediapi kernel: [ 7590.369228] em28xx_dvb: Unknown symbol dvb_dmxdev_init (err -22) > > It seems you messed the modules install or you have the V4L2 stack compiled builtin with a different version. I've done a cleanup: sudo rm -rf /lib/modules/`uname -r`/kernel/drivers/media/ And reinstalled v4l (make install) again. Same result (no /dev/dvb), but other log: Oct 19 20:59:54 mediapi kernel: [ 7.515009] media: Linux media interface: v0.10 Oct 19 20:59:54 mediapi kernel: [ 7.537922] Linux video capture interface: v2.00 Oct 19 20:59:54 mediapi kernel: [ 7.554643] em28xx: New device HCW dualHD @ 480 Mbps (2040:0265, interface 0, class 0) Oct 19 20:59:54 mediapi kernel: [ 7.554666] em28xx: DVB interface 0 found: isoc Oct 19 20:59:54 mediapi kernel: [ 7.554959] em28xx: chip ID is em28174 Oct 19 20:59:54 mediapi kernel: [ 8.752360] em28174 #0: EEPROM ID = 26 00 01 00, EEPROM hash = 0x7ee3cbc8 Oct 19 20:59:54 mediapi kernel: [ 8.752378] em28174 #0: EEPROM info: Oct 19 20:59:54 mediapi kernel: [ 8.752387] em28174 #0: microcode start address = 0x0004, boot configuration = 0x01 Oct 19 20:59:54 mediapi kernel: [ 8.758923] em28174 #0: AC97 audio (5 sample rates) Oct 19 20:59:54 mediapi kernel: [ 8.758936] em28174 #0: 500mA max power Oct 19 20:59:54 mediapi kernel: [ 8.758946] em28174 #0: Table at offset 0x27, strings=0x0e6a, 0x1888, 0x087e Oct 19 20:59:54 mediapi kernel: [ 8.759389] em28174 #0: Identified as Hauppauge WinTV-dualHD DVB (card=99) Oct 19 20:59:54 mediapi kernel: [ 8.764360] tveeprom 4-0050: Hauppauge model 204109, rev B2I6, serial# 11540068 Oct 19 20:59:54 mediapi kernel: [ 8.764381] tveeprom 4-0050: tuner model is SiLabs Si2157 (idx 186, type 4) Oct 19 20:59:54 mediapi kernel: [ 8.764394] tveeprom 4-0050: TV standards PAL(B/G) NTSC(M) PAL(I) SECAM(L/L') PAL(D/D1/K) ATSC/DVB Digital (eeprom 0xfc) Oct 19 20:59:54 mediapi kernel: [ 8.764404] tveeprom 4-0050: audio processor is None (idx 0) Oct 19 20:59:54 mediapi kernel: [ 8.764414] tveeprom 4-0050: has no radio, has IR receiver, has no IR transmitter Oct 19 20:59:54 mediapi kernel: [ 8.764424] em28174 #0: dvb set to isoc mode. Oct 19 20:59:54 mediapi kernel: [ 8.764854] usbcore: registered new interface driver em28xx Oct 19 20:59:54 mediapi kernel: [ 8.800215] em28174 #0: Registering input extension Oct 19 20:59:54 mediapi kernel: [ 8.835377] Registered IR keymap rc-hauppauge Oct 19 20:59:54 mediapi kernel: [ 8.836063] input: em28xx IR (em28174 #0) as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/rc/rc0/input0 Oct 19 20:59:54 mediapi kernel: [ 8.836345] rc rc0: em28xx IR (em28174 #0) as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/rc/rc0 Oct 19 20:59:54 mediapi kernel: [ 8.838384] em28174 #0: Input extension successfully initalized Oct 19 20:59:54 mediapi kernel: [ 8.838406] em28xx: Registered (Em28xx Input Extension) extension Oct 19 20:59:54 mediapi kernel: [ 9.612549] Adding 102396k swap on /var/swap. Priority:-1 extents:3 across:200700k SSFS Any idea? Thanks, Patrick -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html