On Thu, Jan 22, 2009 at 2:42 PM, Joseph Shraibman <linuxtv.org@xxxxxxxxxxxxxx> wrote: > I too am having 0 signal strength with a Fusion HDTV 7 Dual Express. scan > (from dvb-apps) does find channels, but my application won't work because > it is seeing no signal. I tried rebuilding the drivers from repository > tip but it doesn't help. The kernel I'm using is 2.6.27.9-73.fc9.i686. > lspci -v shows: > > 02:00.0 Multimedia video controller: Conexant Unknown device 8852 (rev 04) > Subsystem: DViCO Corporation Unknown device d618 > Flags: bus master, fast devsel, latency 0, IRQ 17 > Memory at fbc00000 (64-bit, non-prefetchable) [size=2M] > Capabilities: [40] Express Endpoint, MSI 00 > Capabilities: [80] Power Management version 2 > Capabilities: [90] Vital Product Data <?> > Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ > Queue=0/0 Enable- > Capabilities: [100] Advanced Error Reporting <?> > Capabilities: [200] Virtual Channel <?> > Kernel driver in use: cx23885 > Kernel modules: cx23885 > > after "make load" in the v4l-dvb directory dmesg shows: > > cx23885_dvb_register() allocating 1 frontend(s) > cx23885[0]: cx23885 based dvb card > xc5000 1-0064: creating new instance > xc5000: Successfully identified at address 0x64 > xc5000: Firmware has not been loaded previously > DVB: registering new adapter (cx23885[0]) > DVB: registering adapter 1 frontend 0 (Samsung S5H1411 QAM/8VSB > Frontend)... > cx23885_dvb_register() allocating 1 frontend(s) > cx23885[0]: cx23885 based dvb card > xc5000 2-0064: creating new instance > xc5000: Successfully identified at address 0x64 > xc5000: Firmware has not been loaded previously > DVB: registering new adapter (cx23885[0]) > DVB: registering adapter 2 frontend 0 (Samsung S5H1411 QAM/8VSB > Frontend)... > cx23885_dev_checkrevision() New hardware revision found 0x0 > cx23885_dev_checkrevision() Hardware revision unknown 0x0 > cx23885[0]/0: found at 0000:02:00.0, rev: 4, irq: 17, latency: 0, mmio: > 0xfbc00000 > cx23885 0000:02:00.0: setting latency timer to 64 > ivtvfb: no cards found > or51132: Waiting for firmware upload(dvb-fe-or51132-vsb.fw)... > firmware: requesting dvb-fe-or51132-vsb.fw > or51132: Version: 10001134-19430000 (113-4-194-3) > or51132: Firmware upload complete. > > > On Thu, 16 Oct 2008, Jonathan Johnson wrote: > >> Hello linux-dvb members, >> >> I know another person posted a message similar to mine, but offered no diagnostic info, so I am. >> >> DViCO device d618 using driver cx23885 >> Conexant Device 8852 (rev 02) >> Base OS: SuSE 11.0 >> kernel manually upgraded to 2.6.27 >> checked dmesg, and all firmware(s) load. >> >> I have a FusionHDTV Dual 7 tuner, and it gets no signal at all, and some times no channels appear >> when I scan from with in mythtv, and sometimes some of the channels appear. >> >> 1. First I tried hooking a ATI 650 to Vista and got 100% strength all the time, so it wasn't the antenna. >> 2. I then hooked up the FusionHDTV card to Vista and it also reported 100% signal strength. >> Therefore the card is not broken. >> 3. I have 2 ATI HDTV Wonder that have always worked perfectly, so signal strength is good. >> >> >> When trying to record w/ MythTV I get >> --------- >> This occurs a couple times. >> DVBSM(/dev/dvb/adapter1/frontend0), Warning can not measuer S/N >> The following occurs many times: >> DVBChan(3:/dev/dvb/adapter1/frontend0) Error: Tune(): Setting Frontend using tuning parameters failed. >> "eno: Invalid argument (22)" >> ----------- >> >> Spent 1/2 hour looking thru google results. >> I decided despite how horrible luck I have with compiling certain things, I would give it a go anyway. >> The kernel always compiles for me at least. I went to linuxtv.org and followed the instructions. >> I did the make and make install and got the invalid symbols mentioned on the website, and it said >> reboot. So I did, and I recompiled again, for the heck of it, and still have invalid symbols. Read the >> INSTALL text file, and tried a bunch of options. I tried make kernel-(something), and recompile the >> kernel(completely), and reboot,and still no go. I tried re-compiling v4l-dvb and still nothing. >> I eventually tried "make all" and the compile failed with errors. Could not get it to compile, and now >> v4l-dvb was un-usable. >> >> I then installed and did a full compile of kernel 2.6.27.1 (released last night), and at least everything >> now works. >> >> I would like to try the development version to see if that fixes things, but I am not skilled enough to >> resolved the unresolved symbol problem. insmod and modprobe failed with the same error. >> >> >> Later, >> Jonathan >> >> >> ------------------------------------------- >> >> _______________________________________________ >> linux-dvb mailing list >> linux-dvb@xxxxxxxxxxx >> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb >> > > _______________________________________________ > linux-dvb users mailing list > For V4L/DVB development, please use instead linux-media@xxxxxxxxxxxxxxx > linux-dvb@xxxxxxxxxxx > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb > Are you sure you have zero signal strength, or just really low signal strength? I am pretty sure on the s5h1411, the signal strength field is populated with the the SNR, which could be construed as very low signal strength if you were expecting a percentage scaled from 0 to 65535. Have you run femon to confirm that the strength field really is zero? Devin -- Devin J. Heitmueller http://www.devinheitmueller.com AIM: devinheitmueller _______________________________________________ linux-dvb users mailing list For V4L/DVB development, please use instead linux-media@xxxxxxxxxxxxxxx linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
