[mythtv-users] random mythfrontend seqment faults

[James Abernathy]

On Wed, Jul 20, 2022 at 4:28 PM James Abernathy <jfabernathy at gmail.com>
wrote:

>
>
> On Wed, Jul 20, 2022 at 3:26 PM James Abernathy <jfabernathy at gmail.com>
> wrote:
>
>>
>>
>> On Wed, Jul 20, 2022 at 3:21 PM glen <glenb at glenb.net> wrote:
>>
>>> On Wed, 2022-07-20 at 15:17 -0400, James Abernathy wrote:
>>>
>>>
>>>
>>> On Wed, Jul 20, 2022 at 3:08 PM glen <glenb at glenb.net> wrote:
>>>
>>> On Wed, 2022-07-20 at 14:05 -0400, James Abernathy wrote:
>>>
>>>
>>>
>>> On Wed, Jul 20, 2022 at 1:53 PM Klaas de Waal <klaas.de.waal at gmail.com>
>>> wrote:
>>>
>>>
>>> Could be the problem reported in issue #593
>>> https://github.com/MythTV/mythtv/issues/593
>>> <http://email.mg.glenb.net/c/eJwlzbkOwyAQBNCvMV0QsKyBgiJNunRRek5jyUdkcKT8fZAsTfFmmok2ZBdRktmGaMAIUBpDNk6ngCxK5FJkJhNjEVBlI72mwa1pGSSblrR5uqVGigWThOdeMO0RwSgdOWgnFYTRy5EjWWxp7VMHuA_i0TPNrZyehn3t5flr5fXuWDvat2Ou9Uy1Aw2Qw1777azpqP35qnQ_pj8WYjsC>
>>> although that only mentions master.
>>> Even better than a gdb trace is a sequence with which the problem can be
>>> reproduced without relying on specific hardware such as described in #593.
>>> If it can be reproduced on a VM and that VM can also be easily
>>> configured/installed/copied that would help.
>>>
>>> Klaas.
>>>
>>>
>>> Okay, I can generate the steps to reproduce.  My VM is libvirt/KVM./QEMU
>>> on Linux Mint Debian Edition 5 which is based on Bullseye. I have a network
>>> bridge setup for the PC so the VM can be setup on the same subnet as the
>>> host.  That way I can connect to my HDHR tuners so I can fully test the
>>> backend and frontend.
>>>
>>> I'll have to post my scripts for the backend setup to my Google Drive
>>> due to the email size limit that Mythtv mailing list has.
>>>
>>> I can do either Archlinux or Debian Testing (bookworm). Any choice in
>>> that for you?
>>>
>>> Jim A
>>>
>>> _______________________________________________
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>>> http://lists.mythtv.org/mailman/listinfo/mythtv-users
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>>> http://wiki.mythtv.org/Mailing_List_etiquette
>>> <http://email.mg.glenb.net/c/eJxFjb0OwiAURp-mbBLKj8DA4OKkz9DA5dIS26rtrca3t4mDyTednJMvBygxG81qgOyVl8o6A8VHh2BE1qbVsgiNQmRlbPE6OQ5xwrHRoh9xTnxGYkNQSVpMSh2lzG1GZ9BbAKczRKWTMGwMA9GjUadGnve9663y6UMDvfh96XdyjXWsc99d6kodUn1uSIRsCT_rsK24rPvrP_oCzAI8dg>
>>> MythTV Forums: https://forum.mythtv.org
>>> <http://email.mg.glenb.net/c/eJxFjDEKwzAMAF8TbzWKJTfy4KFL_-HIVlJI0uI4hf6-gQ6FW46Dy1E0ZU_mESUHDA4H9qIhcREPmXxPToEKQEY_aKCRraS1LB3BtJRttFtpZo6AykMSToRIqQdyzDBqEq_o-nw1S5xbe-0d3jp3P9FnPVa7ftrc3vZZJ1PjTy7HXup-7v_tC6qsM2E>
>>>
>>>
>>>
>>> from the aur on arch, this comment:
>>>
>>> bauner [1] added the following comment to mythtv [2]:
>>>
>>> @boomshalek
>>> @hamelg
>>>
>>> Uninstalling libva-vdpau-driver fixed the frontend segfault for me
>>> (Nvidia GT710 with 470.129.06 driver)
>>>
>>>
>>> I saw that comment . In my case I'm completely Intel hardware and it's a
>>> VM within that.   The only solution I've found is to start with --noupnp on
>>> mythfrontend, but that doesn't explain the seq faults occasionally on
>>> mythtv-setup.
>>>
>>> Jim A
>>>
>>> _______________________________________________
>>> mythtv-users mailing list
>>> mythtv-users at mythtv.org
>>> http://lists.mythtv.org/mailman/listinfo/mythtv-users
>>> <http://email.mg.glenb.net/c/eJxNjs0OwiAQhJ-m3CT8VeDAwYvvsWyXlgRaU9DEt7caE03mMt_MJDMFTDCNhuWA8Yye4jihBmEIUcuYyHlS3lovnJTSOK0UR6hUBiPmQmvkK3W2BBTRgxDOAUUCSDZJtNomoaPyIA0rYen9NujLoK6HSm698frsS3_wbZ8PVCGXCus3zGva3vDTON0b7Y3t4d8eD377FyA3QTE>
>>> http://wiki.mythtv.org/Mailing_List_etiquette
>>> <http://email.mg.glenb.net/c/eJxFjUEOgjAQRU8DO5tOO1BYdOHGlZ6BtNMRGgEVBo23l8SFyV-9vJefPF1DqrDMnmJNLccqkQ0amchCvHLTsmmda3UDANhYYxSFiccCdT_yHNXMUg4-uQjBVeiAEA0kqxGiSWSwdgZQl6MfRB6FPRbmtO-db1lNHxnkpe5Lv5NLyGOe--6cV-lY8nNjES4X_7MO28rLur_-oy-zazvD>
>>> MythTV Forums: https://forum.mythtv.org
>>> <http://email.mg.glenb.net/c/eJxFjEsKwyAUAE8TdxX1aaILF930Hnkfk0I-xZhCb99AF4XZDAPDmcrIwatnJuwpCQYmGI0XIrBYJCZxaRiSidZaH8E5TeMqS-fNtMiGepOm5uxsYCBG51OIZNiEYpEBehOwpN6qJc-tvY4O7p17XJS9nqteP21ub73XSdX8k9t5SD2u_b99Ae5-M7k>
>>>
>>>
>>> thats a libva (intel) driver they are talking about. it accommodates
>>> vdpau calls. so maybe still check if by any chance thats installed.
>>>
>>
>> I build my mythtv on Archlinux without the AUR so I can just disable the
>> vdpau option in the configure.  I'll see what that does
>>
>> Jim A
>>
>>
>
> So here's some positive data. I built mythtv on a Debian Testing
> (bookworm) system with xfce4 DE in a VM. However, my ./configure has the
> following options:  --prefix=/usr --disable-vdpau
>
> So far I have not had any seq faults or any other issue with mythtv-setup
> or mythfrontend.  I run both of those programs from the console with no
> additional options.
>
> My setup within mythfrontend is OpenGL with 4 cpu's, and low quality on
> both de-interlacings.
>
> BTW, Since the recent pull request for mythweb and also been pushed,
> mythweb works fine as well without having to configure mythmusic first.
>
> Jim A
>

More good news.  Built an Archlinux VM with mythtv using build from source
and made sure ./configure had the --disable-vdpau.  Built it clean and
added the backend stuff.  mythtv-setup and mythfrontend both worked without
any options. no Seq. faults so far.

Jim A
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