> Sent: Monday, August 21, 2023 at 12:59 PM > From: "Bagas Sanjaya" <bagasdotme@xxxxxxxxx> > > On Sat, Aug 19, 2023 at 02:03:15PM +0200, Luigi Baldoni wrote: > > Hello everyone, > > last year I replaced my old RTL2832U/R820T DVB-T dongle (which worked > > perfectly) and replaced it with a Hanftek Astrometa (RTL2832/CXD2837ER) > > DVB-T2 one and my troubles started. > > Every channel I tune to shows a periodic glitch, as per included sample. > > > > I tried the following things: > > * connected a regular TV set to the same antenna cable and the picture looks > > fine > > * replaced the usb cable > > * switched distros (from debian to arch) > > * installed a current kernel snapshot > > * replaced the minipc on which it's installed > > * used usbip to access the hardware from my desktop machine and tested > > it directly with vlc, mpv and kaffeine: at best the stream was glitchy > > and at worst the app crashed > > * toggled every parameter available for each involved module > > * ran tzap directly > > > > None of the above made the slightest difference, therefore I'm asking you > > if there's something I might have overlooked or if this is truly a bug. > > > > Video sample here, captured with tzap: > > https://www.mediafire.com/file/qantvq916uy7o4k/rai1hd.ts/file > > https://www.4shared.com/s/folTulDcljq > > > > (also Cc: RTL2832 and media subsystem maintainers) > > What kernel version are you running? 6.1.38-4 on Debian stable. > Also, can you try with different dongle (ideally with different chipset)? Alas no. By the way, I noticed the Sony front end is not exactly the same one mentioned in the linuxtv wiki. And I should add, I filed a ticket on bugzilla (https://bugzilla.kernel.org/show_bug.cgi?id=217808) if you think that might be a better avenue to continue the discussion. Regards