nuclearcat wrote: >>>SkyStar2, kernel: 2.6.10-1.760_FC3 >>> >>>I'm waiting for the dvr fd with select, and then if FD_ISSET I issue a >>>read() call to it. Usually it works perfectly well, but sometimes, >>>especially when other thread is performing multiple repeated tunings on >>>the forntend the read() blocks infinitely until the process is killed... > > >>Open with O_NONBLOCK. Will it help? I assume the read() will not block, but will it actually receive any data? >>It has been reported a few times that the skystar2 driver has a bug where >>it stops outputting data. I assume a race in irq/dma handling, but >>didn't have the time to investigate (I also don't have hardware). >>You could do 'cat /proc/interrupts' to see if there are still irqs >>when your read() hangs. The counter stops. The frontend reports a locked state however. Any suggestions how to investigate it further? > I had similar thing, and investigate, thats STV0299B version (revision > 2.6) stopping if signal is weak, and there uncorrected/corrected > errors. Which revision of SS2 is used? Revision 2.6 C: drivers/media/dvb/b2c2/skystar2.c: FlexCopIIB(rev.195) chip found drivers/media/dvb/b2c2/skystar2.c: the chip has 38 hardware filters DVB: registering new adapter (SkyStar2). DVB: registering frontend 0 (ST STV0299 DVB-S)... KM
