linux-kernel - Re: [PATCH 1/1] ASoC: dwc: move DMA init to snd_soc_dai

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Message-ID: <bff15efe-2234-40dd-ba48-622148f8f869@sirena.org.uk>
Date:   Tue, 23 May 2023 19:25:51 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Maxim Kochetkov <fido_max@...ox.ru>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] ASoC: dwc: move DMA init to snd_soc_dai_driver
 probe()

On Fri, May 12, 2023 at 02:03:42PM +0300, Maxim Kochetkov wrote:
> When using DMA mode we are facing with Oops:
> [  396.458157] Unable to handle kernel access to user memory without uaccess routines at virtual address 000000000000000c
> [  396.469374] Oops [#1]

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 (it often is
for search engines if nothing else) then it's usually better to pull out
the relevant sections.

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