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From: "Marcin Ślusarz" <marcin.slusarz@gmail.com>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER
	MANAGEM..." <alsa-devel@alsa-project.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Vinod Koul <vkoul@kernel.org>,
	Bard Liao <yung-chuan.liao@linux.intel.com>,
	Len Brown <lenb@kernel.org>
Subject: Re: Crash in acpi_ns_validate_handle triggered by soundwire on Linux 5.10
Date: Wed, 27 Jan 2021 20:18:58 +0100	[thread overview]
Message-ID: <CA+GA0_sZm2pqOfA3LsNQowb930QS_g5CiCCGthzsS=vAjB9Rjg@mail.gmail.com> (raw)
In-Reply-To: <1dc2639a-ecbc-c554-eaf6-930256dcda96@linux.intel.com>

śr., 27 sty 2021 o 18:28 Pierre-Louis Bossart
<pierre-louis.bossart@linux.intel.com> napisał(a):
> > Weird, I can't reproduce this problem with my self-compiled kernel :/
> > I don't even see soundwire modules loaded in. Manually loading them of course
> > doesn't do much.
> >
> > Previously I could boot into the "faulty" kernel by using "recovery mode", but
> > I can't do that anymore - it crashes too.
> >
> > Maybe there's some kind of race and this bug depends on some specific
> > ordering of events?
>
> missing Kconfig?
> You need CONFIG_SOUNDWIRE and CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE
> selected to enter this sdw_intel_acpi_scan() routine.

It was a PEBKAC, but a slightly different one. I won't bore you with
(embarrassing) details ;).

I reproduced the problem, tested both your and Rafael's patches
and the kernel still crashes, with the same stack trace.
(Yes, I'm sure I booted the right kernel :)

Why "recovery mode" stopped working (or worked previously) is still a mystery.

  reply	other threads:[~2021-01-27 19:20 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-20 19:56 Crash in acpi_ns_validate_handle triggered by soundwire on Linux 5.10 Marcin Ślusarz
2021-01-20 20:34 ` Rafael J. Wysocki
2021-01-20 22:28   ` Pierre-Louis Bossart
2021-01-21 17:47     ` Marcin Ślusarz
2021-01-27 16:36       ` Marcin Ślusarz
2021-01-27 17:28         ` Pierre-Louis Bossart
2021-01-27 19:18           ` Marcin Ślusarz [this message]
2021-01-27 21:52             ` Pierre-Louis Bossart
2021-01-27 22:02             ` Pierre-Louis Bossart
2021-01-28 13:25               ` Marcin Ślusarz
2021-01-28 13:31                 ` Rafael J. Wysocki
2021-01-28 12:13             ` Rafael J. Wysocki
2021-01-28 12:39               ` Rafael J. Wysocki
2021-01-28 13:45                 ` Marcin Ślusarz
2021-01-28 14:32                 ` Marcin Ślusarz
2021-01-29 18:59                   ` Marcin Ślusarz
2021-01-29 20:03                     ` Marcin Ślusarz
2021-02-01 11:42                       ` Rafael J. Wysocki
2021-02-01 12:16                         ` Marcin Ślusarz
2021-02-04 12:11                           ` Marcin Ślusarz
2021-02-04 12:48                             ` Marcin Ślusarz
2021-02-05 15:40                               ` [PATCH] soundwire: intel: fix possible crash when no device is detected (was Re: Crash in acpi_ns_validate_handle triggered by soundwire on Linux 5.10) Marcin Ślusarz
2021-02-05 16:16                                 ` Pierre-Louis Bossart
2021-02-08 12:01                                   ` [PATCH 1/2] soundwire: intel: fix possible crash when no device is detected Marcin Ślusarz
2021-02-08 12:01                                     ` [PATCH 2/2] ACPICA: update documentation of acpi_walk_namespace Marcin Ślusarz
2021-02-08 12:43                                       ` Rafael J. Wysocki
2021-02-08 12:37                                     ` [PATCH 1/2] soundwire: intel: fix possible crash when no device is detected Rafael J. Wysocki
2021-02-10 23:15                                       ` Pierre-Louis Bossart
2021-02-11  5:20                                         ` Vinod Koul
2021-01-28 13:29               ` Crash in acpi_ns_validate_handle triggered by soundwire on Linux 5.10 Marcin Ślusarz
2021-01-28 13:36                 ` Rafael J. Wysocki
2021-01-25 18:38     ` Salvatore Bonaccorso
2021-01-25 19:26       ` Pierre-Louis Bossart

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