On 09/12/2012 09:32 AM, Marx wrote:
Hello I'm trying to use dual DVB-T tuner based on ITE9135 tuner. I use Debian kernel 3.5-trunk-686-pae. My motherboard is AsRock E350M1 (no USB3 ports). Tuner is detected ok, see log at the end of post. When I try to scan channels, bug happens: Sep 11 17:16:31 wuwek kernel: [ 209.291329] ehci_hcd 0000:00:13.2: force halt; handshake f821a024 00004000 00000000 -> -110 Sep 11 17:16:31 wuwek kernel: [ 209.291401] ehci_hcd 0000:00:13.2: HC died; cleaning up Sep 11 17:16:31 wuwek kernel: [ 209.291606] usb 2-3: USB disconnect, device number 2 Sep 11 17:16:41 wuwek kernel: [ 219.312848] dvb-usb: error while stopping stream. Sep 11 17:16:41 wuwek kernel: [ 219.320585] dvb-usb: ITE 9135(9006) Generic successfully deinitialized and disconnected. After trying many ways I've read about problems with ehci on SB700 based boards and switched off ehci via command sh -c 'echo -n "0000:00:13.2" > unbind' and now ehci bug doesn't happen. Of course I can see only one tuner and in slower USB mode (see log at the end). But now I can scan succesfully without any errors. Of course it isn't acceptable fix for my problem. Drivers for ITE9135 seems ok, but there is a problem with ehci_hcd on my motherboard. I would like to know what can I do to fix my problem.
I am quite sure dvb_usb_v2 fixes that. Test latest tree. Antti -- http://palosaari.fi/ -- 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
