On Tue, Jan 8, 2013 at 10:46 PM, Antti Palosaari wrote: > On 01/08/2013 11:02 PM, Cédric Girard wrote: >> Meaningful bits of an strace of the same command >> ### >> ioctl(3, FE_READ_STATUS, 0x7fff69172ef0) = 0 >> ioctl(3, FE_READ_BER, 0x7fff69173018) = -1 EAGAIN (Resource >> temporarily unavailable) >> ioctl(3, FE_READ_SIGNAL_STRENGTH, 0x7fff6917301c) = -1 EAGAIN >> (Resource temporarily unavailable) >> ioctl(3, FE_READ_SNR, 0x7fff6917301e) = -1 EAGAIN (Resource >> temporarily unavailable) >> ioctl(3, FE_READ_UNCORRECTED_BLOCKS, 0x7fff69173020) = -1 EAGAIN >> (Resource temporarily unavailable) >> ### > > > I could guess these errors are coming because you query statistics but > device is sleeping and statistics cannot be offered. -EAGAIN == device is > sleeping, -ENOTTY device does not support given statistic at all. > > Could you ensure that? Use some app, like w_scan, tzap, czap, etc. to tune > and recheck if it shows these or not. femon could not tune, it queries only > statistics. You will need to leave tuning on and then use other terminal for > femon. You were right. Now I get this while running w_scan in another terminal: ### status SCV | signal 5% | snr 0% | ber 0 | unc 0 | status SCV | signal 5% | snr 0% | ber 0 | unc 0 | status SCV | signal 5% | snr 0% | ber 0 | unc 0 | [...] ### This is coherent with the "no signal" result. > > >> w_scan give "no signal" result. >> dvbscan give "Unable to query frontend status" > > > hmm, that dvbscan results sounds crazy. I am not sure about these scanning > apps as there is scan, dvbscan, scandvb. Maybe some of those, or even all, > are just same app but renamed as "scan" is too general. My Fedora 17 has > scandvb. I just tested against one DRX-K device and it worked fine. According to the wiki [1] scandvb is a distro-side renaming of dvbscan. > > >> Any hint to where I should look would be welcome! > > > Try to downgrade Kernels until you find working one. Guess it is probably the only way. I will try. [1] http://linuxtv.org/wiki/index.php/Dvbscan -- Cédric Girard -- 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
