[mythtvnz] DVB drivers location and .zst compression

[Curtis Walker]

I had an issue with the saa7164 firmware in 2011....maybe some of what
worked for me back then will work for you now?
https://bbs.archlinux.org/viewtopic.php?id=126229

I run Arch linux, latest updates & kernel (6.14.6), with no such issues,
thankfully.

Good luck!

On Wed, 21 May 2025 at 14:28, Paul <paulgir at gmail.com> wrote:

>
> On 2025-05-21 13:55, Stephen Worthington wrote:
> > On Wed, 21 May 2025 10:54:09 +1200, you wrote:
> >
> >> On 2025-05-21 10:41, Curtis Walker wrote:
> >>> On Wed, 21 May 2025 at 10:19, Paul <paulgir at gmail.com> wrote:
> >>>
> >>>      Hi
> >>>
> >>>      I have been seeing minor artifacts (pixellation) , mainly after
> >>>      skipping forward during playback.
> >>>
> >>>      Hauppauge_WinTV-HVR-2200Back in my installation of MythTV on
> >>>      Xubuntu 16.04 I saw a similar effect because one piece of firmware
> >>>      (nxp7164-2010-03-10.1.fw) for
> >>>
> >>>      my Hauppauge_WinTV-HVR-2200 was not in    /lib/firmware/'current
> >>>      kernal'  , so I was checking the locations of the relevant
> >>>      firmware and I see  /lib/firmware/'current kernal' no longer
> >>>
> >>>      exists.
> >>>
> >>>       The HVR-2200 drivers:   v4l-saa7164-1.0.2.fw      ;
> >>>      v4l-saa7164-1.0.3.fw     ;     cp dvb-fe-tda10048-1.0.fw       and
> >>>       nxp7164-2010-03-10.1.fw    are currently all in
> >>>
> >>>      /lib/firmware.
> >>>
> >>>      The other thing I noticed is that all the firmware is Zstandard
> >>>      compressed and the 4 HVR-2200 files with .fw extensions are
> >>>      described in the Thunar file manager as "unknown".
> >>>
> >>>      Do I need to compress these files and convert them to .fw.zst
> >>>      extensions  like all the others or are these ok as is?
> >>>
> >>>      Regards
> >>>
> >>>
> >>> I may have missed it, but what distro are you currently using?
> >> Hi  , in recent weeks I went from 20.04 to 24.04 via 22.04 and to MythTV
> >> version 35
> > I had a look at my /lib/firmware directory and it looks like the new
> > standard in Ubuntu 24.04 is to compress all the .fw files.  I have a
> > lot of .fw.zst files - it looks like most of the .fw files that are
> > coming from current 24.04 packages are zst compressed.  But in the
> > dmesg output, I can still see .fw files being loaded, so it is not
> > necessary to go around compressing your other .fw files.
> >
> > Not all drivers report loading their firmware files, but it always
> > pays to check occasionally to see what is happening at boot time. Take
> > a look at the output of:
> >
> > dmesg | grep "\.fw"
> >
> > If it is a long time since the last boot, there may no longer be any
> > boot messages in the dmesg output, so if possible check soon after a
> > boot.
> >
> > I have never actually heard of there being a /lib/firmware/'current
> > kernel' directory.  I have always put the firmware in /lib/firmware or
> > an appropriate subdirectory of /lib/firmware.
> >
> >
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>
> /lib/firmware/'current kernel'   Probably dated back to 12.04 or 16.04 . I
> used to have to copy NXP7164_2010-03-10.1.fw to /lib/firmware/'current
> kernel'  after kernel updates , or I would get intermittent pixellation in
> recordings.
> After 20.04 I no longer need to do that. That's probably when
> /lib/firmware/'current kernel' ceased to exist.
>
> The output of dmesg | grep "\.fw" :
>
> [    6.047781] saa7164_downloadfirmware() Waiting for firmware upload
> (NXP7164-2010-03-10.1.fw)
> [   22.767075] tda10048_firmware_upload: waiting for firmware upload
> (dvb-fe-tda10048-1.0.fw)...
> [   28.488814] tda10048_firmware_upload: waiting for firmware upload
> (dvb-fe-tda10048-1.0.fw)...
>
> My system boots for recordings and then shuts down
>
> I compressed the four firmware files to see if it makes any difference.
>
>
>
>
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