linux-kernel - Re: [PATCH] ASoC: intel: Fix crash at suspend/resume after failed codec registration

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Message-ID: <20190325120212.GD7284@sirena.org.uk>
Date:   Mon, 25 Mar 2019 12:02:12 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Jie Yang <yang.jie@...ux.intel.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Curtis Malainey <cujomalainey@...omium.org>
Subject: Re: [PATCH] ASoC: intel: Fix crash at suspend/resume after failed
 codec registration

On Fri, Mar 22, 2019 at 03:39:48PM -0700, Guenter Roeck wrote:

> general protection fault: 0000 [#1] PREEMPT SMP KASAN PTI
> CPU: 1 PID: 2811 Comm: cat Tainted: G        W         4.19.30 #15
> Hardware name: GOOGLE Clapper, BIOS Google_Clapper.5216.199.7 08/22/2014
> RIP: 0010:snd_soc_suspend+0x5a/0xd21
> Code: 03 80 3c 10 00 49 89 d7 74 0b 48 89 df e8 71 72 c4 fe 4c 89
> fa 48 8b 03 48 89 45 d0 48 8d 98 a0 01 00 00 48 89 d8 48 c1 e8 03
> <8a> 04 10 84 c0 0f 85 85 0c 00 00 80 3b 00 0f 84 6b 0c 00 00 48 8b

Please think hard before including complete backtraces in upstream
reports, they are very large and contain almost no useful information
relative to their size so often obscure the relevant content in your
message. If part of the backtrace is usefully illustrative then it's
usually better to pull out the relevant sections.

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