Bug 218196

Summary:	DVB-T not working after S3 suspend and resume
Product:	v4l-dvb	Reporter:	Valerio Vanni (valerio.vanni)
Component:	cx88	Assignee:	v4l-dvb_cx88
Status:	NEW ---
Severity:	normal	CC:	mchehab
Priority:	P3
Hardware:	All
OS:	Linux
Kernel Version:		Subsystem:
Regression:	No	Bisected commit-id:
Attachments:	Boot dmesg A dmesg of suspend and resume when dvb is not used A dmesg of suspend and resume when dvb is used

Description Valerio Vanni 2023-11-27 19:26:57 UTC

System is a Debian 11 amd64, kernel 5.10.201, DVB-T board is an Hauppage WinTV-quad.

If a DVB-T streaming is being played (i.e. I'm watching TV channels in Kaffeine) and I suspend to ram with /usr/sbin/pm-suspend, when system resumes DVB play is unable to continue.
Closing and reopening kaffeine doesn't help.

The only thing I can do, then, is:
-close kaffeine
-rmmod cx23885
-modprobe cx23885

I attach a boot dmesg, a suspend / resume without DVB play, and another with DVB play active.

Comment 1 Valerio Vanni 2023-11-27 19:28:35 UTC

Created attachment 305485 [details]
Boot dmesg

Comment 2 Valerio Vanni 2023-11-27 19:29:39 UTC

Created attachment 305486 [details]
A dmesg of suspend and resume when dvb is not used

Comment 3 Valerio Vanni 2023-11-27 19:30:02 UTC

Created attachment 305487 [details]
A dmesg of suspend and resume when dvb is used

Comment 4 Valerio Vanni 2024-01-02 17:53:52 UTC

This is the report on linux kernel mailing list:
https://lkml.org/lkml/headers/2023/12/11/1433

And this one is on linux media mailing list:
https://lore.kernel.org/linux-media/e7827669-c083-104c-f4b5-3e5f38174589@inwind.it/

(just to keep reports linked)