Re: SkyStar HD2 issues, signal sensitivity, etc.
|[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]|
Manu Abraham wrote: > Dave Lister wrote: >> 2009/4/12 VDR User <user.vdr@xxxxxxxxx>: >>> On Sat, Apr 11, 2009 at 5:47 AM, Dave Lister <foceni@xxxxxxxxx> wrote: >>>> 2009/4/11 VDR User <user.vdr@xxxxxxxxx>: >>>>> There is a new mantis tree being uploaded at: >>>>> http://jusst.de/hg/mantis-v4l >>>>> >>>>> Please try this tree. The upload should finish within 2 hours and is >>>>> using DVB api 5 (aka s2api). >>>> RESULTS (using "s2" dvb-apps): >>>> - scanning DVB-S works >>>> - scanning DVB-S2 doesn't work >>>> - zapping DVB-S is fast >>>> >>> Can you please try a fresh clone of the tree? I believe the fixes >>> have now been applied. Thanks! >>> >> Ok, I did and it seems fine. I mean for a Linux DVB-S2 card. :) >> Compared to liplianin driver, only minus is non-working DiSEqC. >> Because I am using a multiswitch, I had to switch to liplianin. I am >> sorry, but I'm definitely keeping an eye on your driver as well and >> will be testing it as it gets updated! >> >> For other SkyStar HD2 users, this is a summary as of 2009.04.14: >> - kernel 2.6.29 + mantis-v4l works (except DiSEqC as far as I can tell) > > > Diseqc works fine over here, with the VP-1041 and other cards, using > the mantis-v4l tree. > > >> - kernel 2.6.29 + s2-liplianin works just as reliably + DiSEqC > > > The s2-liplianin tree doesn't use an updated tree for the mantis > based devices unfortunately. It is stuck with older changesets of > the mantis tree. > > The s2-liplianin tree contains (ed) ? some clock related changes > which were not favourable for the STB0899 demodulator, which is > capable of causing potential hardware damage. > > >> Common issues: >> - zapping DVB-S2 channel causes tuner HW lockup (loss of signal until reboot) >> - zap DVB-S2 channel => AWFUL ultra-high pitched noise emitted from >> the card (capacitors or coils?) - makes your head hurt in about 30mins >> - very poor TS (picture data) quality; signal = 95%, SNR = 70%, >> STB/TV gives superb picture, but SkyStar/PC picture is corrupted every >> few seconds, sound glitches, etc. (as if the signal was like 40% on >> STB) - confirmed in VDR (Xine), MythTV, mplayer. >> >> These issues are present with both of my two SkyStar cards, which >> hopefully eliminates faulty HW. To be frank, > > The cards what i have don't have the issues whatsoever you mention. > > There could be multiple causes, since the cards that i have don't > have the troubles whatsoever you mention. > > * If you had those changes on your hardware and your card was > susceptible to such issues, then that could be a possible reason. > > * There are quite some hardware pirates, as noted here .. Added the missing link. http://www.twinhan.com/news_071011-1.asp > > In any of your cases, If you have hardware related issues please > contact to your supplier to have it checked/replaced by them. > > NOTE: Always try to stick with a tree that's a mainline tree or the > development tree, rather than tree's with unknown changes. > > Regards, > Manu > > -- > 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 > _______________________________________________ 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