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SubjectRe: Regression found (Stop-marking-clocks-as-CLK_IS_CRITICAL)
On 01-11-18, Hans de Goede wrote:
> Hi,
>
> On 01-11-18 15:28, Dean Wallace wrote:
> > On 01-11-18, Hans de Goede wrote:
> > > Hi,
> > >
> > > On 01-11-18 11:37, Dean Wallace wrote:
> > > > On 31-10-18, Pierre-Louis Bossart wrote:
> > > > >
> > > > > > Just thought it worth mentioning, this new patch that fixes sound
> > > > > > again, seems to have ressurected an old issue with PLL unlock. I'm
> > > > > > seeing journal entries after fresh boot ......
> > > > > >
> > > > > > ```
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > picard systemd[462]: Started Sound Service.
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > picard kernel: max98090_pll_work: 141 callbacks suppressed
> > > > > > picard kernel: max98090 i2c-193C9890:00: PLL unlocked
> > > > > > ```
> > > > > >
> > > > > > sound is ok, but sometimes plugging in headphones spams journal with
> > > > > > those PLL messages, and sound turns into "daleks", and I have to
> > > > > > remove/insert headphones few times or stop/start audio to fix it.
> > > > > > It's a very old issue, maybe you'd know more about it.
> > > > >
> > > > > I noticed this error on my Orco device used for tests many moons ago, but I
> > > > > could never find out what led to this error case, it wasn't deterministic
> > > > > and didn't impact the audio quality. All I could do is rate_limit it... If
> > > > > we have an A vs. B situation it'd be really helpful to diagnose further.
> > > > >
> > > > > Is there really a causality between the changes from Hans and this PLL
> > > > > unlock error? Are you 100% sure this was not present in the previous install
> > > > > you used (4.18.14 as mentioned earlier in the thread)?
> > > > >
> > > > > Thanks
> > > > >
> > > > > -Pierre
> > > > >
> > > > Well, numerous boots, kernels, headphone inserting - no PLL or
> > > > 'Daleks'. My laptop must have been haunted that day (halloween).
> > > > I'll put it to bed.
> > >
> > > So you can no longer reproduce. Bummer. Note this might be caused by
> > > the temperature of the laptop when you were running the tests...
> > >
> > > Anyways if you hit this again and you can reproduce it, please
> > > give adding a msleep(10) after code mucking with the clk a try.
> > >
> > > Regards,
> > >
> > > Hans
> > >
> > Right then, I can make it unlock and 'daleks' by going into
> > pavucontrol and switching the Profile back and forth from Stereo
> > Output to Stereo Output+Analog Mono Input, which is actually something
> > I've done to make it correct itself as well. I don't use the mic or
> > anything so I've had it set to Stereo Ouput only which I 'think' has
> > somehow made it more stable for me. With all my playing around, one
> > of the things I did was clean out my .config/pulse folder which meant
> > by default the 'Profile' in pavucontrol was set to Output+Input, which
> > seems to help trigger the PLL issue when inserting headphones.
> >
> > So what would you like me to do, as I can trigger it on demand it
> > seems.
>
> Please give the attached patch a try (on top of my patch for the clk quirk)
> and let us know if that fixes these errors.
>
> Regards,
>
> Hans
>
This is weird, now sound is ok on boot, until I plug in earphones,
like before. Still get spammed with errors until I fool around with
pulse profile switching (it's hit and miss).

-Dean

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