Re: Raspberry Pi 3 Model B+ hangs in vc4_hdmi_runtime_resume()

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On Mon, Sep 26, 2022 at 02:40:48PM +0200, Marc Kleine-Budde wrote:
> On 26.09.2022 14:08:04, Stefan Wahren wrote:
> > Hi Marc,
> > 
> > Am 26.09.22 um 12:21 schrieb Marc Kleine-Budde:
> > > On 22.09.2022 17:06:00, Maxime Ripard wrote:
> > > > > I'm on a Raspberry Pi 3 Model B+ running current Debian testing ARM64,
> > > > > using Debian's v5.19 kernel (Debian's v5.18 was working flawless).
> > > > > 
> > > > > | [    0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
> > > > > | [    0.000000] Linux version 5.19.0-1-arm64 (debian-kernel@xxxxxxxxxxxxxxxx) (gcc-11 (Debian 11.3.0-5) 11.3.0, GNU ld (GNU Binutils for Debian) 2.38.90.20220713) #1 SMP Debian 5.19.6-1 (2022-0
> > > > > 9-01)
> > > > > | [    0.000000] Machine model: Raspberry Pi 3 Model B+
> > > > > | [    3.747500] raspberrypi-firmware soc:firmware: Attached to firmware from 2022-03-24T13:21:11
> > > > > 
> > > > > As soon a the vc4 module is loaded the following warnings hits 4
> > > > > times, then the machine stops.
> > > [...]
> > > 
> > > > The warning itself is fixed, both upstream and in stable (5.19.7).
> > > Ok. Debian is using 5.19.6
> > > 
> > > > It shouldn't have any relation to the hang though. Can you share your
> > > > setup?
> > > - config.txt:
> > > 
> > > -------->8-------->8-------->8-------->8--------
> > > gpu_mem=16
> > > disable_splash=1
> > > 
> > > arm_64bit=1
> > > enable_uart=1
> > > uart_2ndstage=1
> > > 
> > > os_prefix=/u-boot/
> > > 
> > > [pi3]
> > > force_turbo=1
> > > -------->8-------->8-------->8-------->8--------
> > > 
> > > - Raspberry Pi 3 Model B+
> > > - no HDMI connected
> > 
> > Does it mean, the issue only occurs without HDMI connected?
> > If you didn't test with HDMI yet, could you please do?
> 
> The error occurs with HDMI not connected, as vc4 is the gfx driver I
> thought this might be of interest. :)
> 
> I don't have a HDMI monitor here, but I'll come back to you as soon as I
> get access to one (might take some time).

It's not the first time an issue like this one would occur. I'm trying
to make my Pi3 boot again, and will try to bisect the issue.

Maxime

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