linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Neil Armstrong <narmstrong@baylibre.com>
To: jbrunet@baylibre.com, broonie@kernel.org
Cc: alsa-devel@alsa-project.org,
	linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
	Neil Armstrong <narmstrong@baylibre.com>,
	Dmitry Shmidt <dimitrysh@google.com>
Subject: [PATCH 2/2] Revert "ASoC: meson: axg-card: make links nonatomic"
Date: Thu, 21 Apr 2022 17:57:25 +0200	[thread overview]
Message-ID: <20220421155725.2589089-2-narmstrong@baylibre.com> (raw)
In-Reply-To: <20220421155725.2589089-1-narmstrong@baylibre.com>

This commit e138233e56e9829e65b6293887063a1a3ccb2d68 causes the
following system crash when using audio on G12A/G12B & SM1 systems:
 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:282
  in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 0, name: swapper/0
 preempt_count: 10001, expected: 0
 RCU nest depth: 0, expected: 0
 Preemption disabled at:
 schedule_preempt_disabled+0x20/0x2c
 CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W         5.17.0-rc6-03747-gd403c3588f77-dirty #957
 Hardware name: SEI Robotics SEI610 (DT)
 Call trace:
 dump_backtrace+0xd8/0xf4
 show_stack+0x18/0x30
 dump_stack_lvl+0x70/0x8c
 dump_stack+0x18/0x38
 __might_resched+0x154/0x164
 __might_sleep+0x48/0x78
 mutex_lock+0x24/0x60
 _snd_pcm_stream_lock_irqsave+0x20/0x3c
 snd_pcm_period_elapsed+0x24/0xa4
 axg_fifo_pcm_irq_block+0x64/0xdc
 __handle_irq_event_percpu+0x104/0x264
 handle_irq_event+0x48/0xb4
 ...
 start_kernel+0x3f0/0x484
 __primary_switched+0xc0/0xc8

Revert this commit until the crash is fixed.

Reported-by: Dmitry Shmidt <dimitrysh@google.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 sound/soc/meson/axg-card.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c
index cbbaa55d92a6..2b77010c2c5c 100644
--- a/sound/soc/meson/axg-card.c
+++ b/sound/soc/meson/axg-card.c
@@ -320,7 +320,6 @@ static int axg_card_add_link(struct snd_soc_card *card, struct device_node *np,
 
 	dai_link->cpus = cpu;
 	dai_link->num_cpus = 1;
-	dai_link->nonatomic = true;
 
 	ret = meson_card_parse_dai(card, np, &dai_link->cpus->of_node,
 				   &dai_link->cpus->dai_name);
-- 
2.25.1


  reply	other threads:[~2022-04-21 15:57 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-21 15:57 [PATCH 1/2] Revert "ASoC: meson: axg-tdm-interface: manage formatters in trigger" Neil Armstrong
2022-04-21 15:57 ` Neil Armstrong [this message]
2022-04-21 16:17 ` Jerome Brunet
2022-04-21 16:58 ` Mark Brown
2022-04-21 17:20 ` Mark Brown
2022-04-22  8:26   ` Neil Armstrong
2022-04-21 19:18 ` Mark Brown

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220421155725.2589089-2-narmstrong@baylibre.com \
    --to=narmstrong@baylibre.com \
    --cc=alsa-devel@alsa-project.org \
    --cc=broonie@kernel.org \
    --cc=dimitrysh@google.com \
    --cc=jbrunet@baylibre.com \
    --cc=linux-amlogic@lists.infradead.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).