On Tue, Jan 5, 2010 at 12:50 PM, Franz Fürbaß <franz.fuerbass@xxxxxxxxx> wrote: > Hello, > > [1] . Can't scan for DVB-T channels with Hauppauge HVR 4000 HD. > > [2] Got a scan problem with the Hauppauge HVR 4000 HD card. > If I try to scan for channels with the DVB-T frontend > (/dev/dvb/adapter0/frontend1) > no lock is generated after this sequence: > > -open() > -ioctl( fd, FE_GET_INFO, &fe_info ) > -close() > -open() > -ioctl( fd, FE_GET_INFO, &fe_info ) Could be some sort of timing bug where the frontend kernel thread is suspending the device. Just as a test, try putting an "msleep(5000);" between the first close and the second open(), and see if the problem still occurs. Devin -- Devin J. Heitmueller - Kernel Labs http://www.kernellabs.com -- 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