linux-kernel - Re: crypto: sun4i-ss: error with kmap

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Message-ID: <20201203173846.GA16207@Red>
Date:   Thu, 3 Dec 2020 18:38:46 +0100
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     herbert@...dor.apana.org.au, mripard@...nel.org, wens@...e.org,
        linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: crypto: sun4i-ss: error with kmap

On Wed, Dec 02, 2020 at 09:59:36PM +0100, Thomas Gleixner wrote:
> On Wed, Dec 02 2020 at 20:55, Corentin Labbe wrote:
> > On Tue, Dec 01, 2020 at 04:15:08PM +0100, Thomas Gleixner wrote:
> >
> > The result could be seen at http://kernel.montjoie.ovh/129768.log
> > The log is 9Mb, but the ftrace dump seems not terminated, tell me if you need more.
> 
> Correct, the interesting entries right before the crash are missing. Can
> you try to make the trace buffers smaller or wait longer before
> terminating the thing?
> 
> 16k buffer size per CPU should be completely sufficient. That should
> give us roughly the last 100 entries per CPU.
> 
> 'trace_buf_size=16k'
> 
> is the command line option for that.
> 

I have set a longer timeout and now the job end with the crash:
http://kernel.montjoie.ovh/130094.log