Re: Sometimes DVB broken with commit 6769a0b7ee0c3b

From: Mauro Carvalho Chehab
Date: Mon Jun 05 2023 - 06:17:31 EST


Em Tue, 30 May 2023 13:12:57 +0200 (CEST)
Thomas Voegtle <tv@xxxxxxxx> escreveu:

> Hello,
>
>
> I have the problem that sometimes my DVB card does not initialize
> properly booting Linux 6.4-rc4.
> This is not always, maybe in 3 out of 4 attempts.
> When this happens somehow you don't see anything special in dmesg, but the
> card just doesn't work.

Can you paste the full dmesg?

>
> Reverting this helps:
> commit 6769a0b7ee0c3b31e1b22c3fadff2bfb642de23f
> Author: Hyunwoo Kim <imv4bel@xxxxxxxxx>
> Date: Thu Nov 17 04:59:22 2022 +0000
>
> media: dvb-core: Fix use-after-free on race condition at dvb_frontend

What do you mean by helps? Does it fix it every time, or it just
reduces the number of init problems?

Regards,
Mauro