On 09-12-2011 07:35, Eddi De Pieri wrote:
Hi Mauro,
drxk driver seems to have 2 issue with w_scan:
- dvb-t tune error while scanning ("solved" by forcing w_scan to open
dvb-t fe without autoscan)
- dvb-t scan fail
so... we should have an issue that when the driver release dvb-c
adapter drxk (or xc5000?) stay in dvb-c mode
Can you check if you can replicate my error and if Terratec H5 have same issue?
follow the test:....
I build w_scan 20111011 like you
-unplug tuner
-replug tuner
dmesg says:
[ 1030.370462] DVB: registering new adapter (em28xx #0)
[ 1030.370470] DVB: registering adapter 0 frontend 0 (DRXK DVB-C)...
[ 1030.370689] DVB: registering adapter 0 frontend 1 (DRXK DVB-T)...
[ 1030.371393] em28xx #0: Successfully loaded em28xx-dvb
- w_scan -a /dev/dvb/adapter0/frontend1 (the autodetect of adapter is disabled)
dmesg says:
[ 1117.000725] xc5000: waiting for firmware upload (dvb-fe-xc5000-1.6.114.fw)...
[ 1117.005404] xc5000: firmware read 12401 bytes.
[ 1117.005410] xc5000: firmware uploading...
[ 1117.416085] xc5000: firmware upload complete...
However, like Fedrik, I don't get errors on dmesg but w_scan ends with
ERROR: Sorry - i couldn't get any working frequency/transponder
Nothing to scan!!
- w_scan -a /dev/dvb/adapter0/frontend1 -I it-All
no error on dmesg...
- w_scan -f t -c IT
Leaving autodetect turned on I get
[ 794.964818] drxk: Error -22 on QAMSetSymbolrate
[ 794.964827] drxk: Error -22 on SetQAM
[ 794.964832] drxk: Error -22 on Start
[ 795.164518] drxk: Error -22 on QAMSetSymbolrate
[ 795.164528] drxk: Error -22 on SetQAM
[ 795.164534] drxk: Error -22 on Start
That's weird... SetQAM and QAMSetSymbolrate are only called for DVB-C.
From DRX-K driver, the only way to get EINVAL on QAMSetSymbolrate is when
there would be a division by zero, e. g. symbol rate = 0 or frequency equal to 0.
Did a quick test here with HVR-930C, using strace:
open("/dev/dvb/adapter0/frontend0", O_RDWR|O_NONBLOCK) = 3
ioctl(3, FE_GET_INFO, 0x635120) = 0
write(2, "\t/dev/dvb/adapter0/frontend0 -> "..., 92 /dev/dvb/adapter0/frontend0 -> DVB-C "DRXK DVB-C": specified was DVB-T -> SEARCH NEXT ONE.
) = 92
close(3) = 0
open("/dev/dvb/adapter0/frontend1", O_RDWR|O_NONBLOCK) = 3
ioctl(3, FE_GET_INFO, 0x635120) = 0
write(2, "\t/dev/dvb/adapter0/frontend1 -> "..., 52 /dev/dvb/adapter0/frontend1 -> DVB-T "DRXK DVB-T": ) = 52
write(2, "good :-)\n", 9good :-)
) = 9
close(3) = 0
...
open("/dev/dvb/adapter0/frontend1", O_RDWR) = 3
write(2, "-_-_-_-_ Getting frontend capabi"..., 48-_-_-_-_ Getting frontend capabilities-_-_-_-_
) = 48
ioctl(3, FE_GET_INFO, 0x635120) = 0
ioctl(3, FE_GET_PROPERTY, 0x7fff81f5de70) = 0
...
ioctl(3, FE_SET_PROPERTY, 0x7fff81f5de60) = 0
So far so good, but then drxk tries to use DVB-C, instead of DVB-T:
[ 717.260140] drxk: Error -22 on SetQAM
[ 717.263858] drxk: Error -22 on Start
It seems that there's a bug at the dvb-t on the current version.
I'll try to fix it.
trying scan now...
scan -f1 it-All
dmesg days
[ 2044.103987] drxk: Error -22 on Start
[ 2045.293728] drxk: Error -22 on SetQAM
[ 2045.293738] drxk: Error -22 on Start
[ 2045.431231] drxk: Error -22 on QAMSetSymbolrate
[ 2045.431241] drxk: Error -22 on SetQAM
[ 2045.431246] drxk: Error -22 on Start
regards,
Eddi
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