linux-kernel - Re: [PATCHv1 0/3] Enable crypto module on Amlogic GXBB SoC platform

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Date:   Wed, 11 Dec 2019 16:03:58 +0530
From:   Anand Moon <linux.amoon@...il.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Corentin Labbe <clabbe@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        "David S . Miller" <davem@...emloft.net>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-amlogic@...ts.infradead.org,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        linux-crypto@...r.kernel.org
Subject: Re: [PATCHv1 0/3] Enable crypto module on Amlogic GXBB SoC platform

Hi Herbert,

On Wed, 11 Dec 2019 at 15:20, Herbert Xu <herbert@...dor.apana.org.au> wrote:
>
> On Wed, Dec 11, 2019 at 03:07:53PM +0530, Anand Moon wrote:
> >
> > name         : ecb(aes)
> > driver       : ecb-aes-gxl
> > module       : kernel
> > priority     : 400
> > refcnt       : 1
> > selftest     : passed
> > internal     : no
> > type         : skcipher
> > async        : yes
> > blocksize    : 16
> > min keysize  : 16
> > max keysize  : 32
> > ivsize       : 0
> > chunksize    : 16
> > walksize     : 16
> >
> > name         : cbc(aes)
> > driver       : cbc-aes-gxl
> > module       : kernel
> > priority     : 400
> > refcnt       : 1
> > selftest     : passed
> > internal     : no
> > type         : skcipher
> > async        : yes
> > blocksize    : 16
> > min keysize  : 16
> > max keysize  : 32
> > ivsize       : 16
> > chunksize    : 16
> > walksize     : 16
>
> Oh so you did actually get them loaded.  You need to run tcrypt with
> mode=500 instead of 200 to test the async ciphers.  Does that work?
>
> Thanks,
> --
> Email: Herbert Xu <herbert@...dor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

I get kernel panic, I will try to look into this much closely.

[alarm@...rm ~]$ sudo modprobe tcrypt sec=1 mode=500
[sudo] password for alarm:
[  754.382673] tcrypt:
[  754.382673] testing speed of async ecb(aes) (ecb-aes-gxl) encryption
[  754.385583] tcrypt: test 0 (128 bit key, 16 byte blocks):
[  754.385774] SError Interrupt on CPU1, code 0xbf000000 -- SError
[  754.385776] CPU: 1 PID: 121 Comm: da832000.crypto Not tainted
5.5.0-rc1-00012-g6794862a16ef-dirty #3
[  754.385778] Hardware name: Hardkernel ODROID-C2 (DT)
[  754.385779] pstate: 60000005 (nZCv daif -PAN -UAO)
[  754.385781] pc : wait_for_completion_interruptible_timeout+0x20/0x120
[  754.385782] lr : meson_handle_cipher_request+0x344/0x700
[  754.385783] sp : ffff800011e9bca0
[  754.385784] x29: ffff800011e9bca0 x28: 0000000000000040
[  754.385787] x27: 0000000000000010 x26: 0000000000000000
[  754.385789] x25: 0000000000000000 x24: 0000000005300080
[  754.385792] x23: 0000000000000002 x22: ffff00006d08aa00
[  754.385795] x21: ffff00007f68c4d0 x20: ffff00007f68c4c8
[  754.385797] x19: 000000000000007d x18: 00000000000000ab
[  754.385800] x17: 000000000000006c x16: 000000000000001b
[  754.385802] x15: 000000000000000c x14: 0000000000000010
[  754.385805] x13: 0000000000000000 x12: 0000000000000000
[  754.385808] x11: 0000000000000001 x10: ffff8000119d7e80
[  754.385810] x9 : 0000000000000000 x8 : ffff800011add000
[  754.385813] x7 : 0000000000000000 x6 : 0000000000000000
[  754.385815] x5 : 0000000000000000 x4 : 0000000080800010
[  754.385818] x3 : ffff800011acd000 x2 : 000000006d093002
[  754.385820] x1 : 000000000000007d x0 : ffff00007f68c4c8
[  754.385824] Kernel panic - not syncing: Asynchronous SError Interrupt
[  754.385825] CPU: 1 PID: 121 Comm: da832000.crypto Not tainted
5.5.0-rc1-00012-g6794862a16ef-dirty #3
[  754.385827] Hardware name: Hardkernel ODROID-C2 (DT)
[  754.385828] Call trace:
[  754.385829]  dump_backtrace+0x0/0x188
[  754.385830]  show_stack+0x14/0x20
[  754.385831]  dump_stack+0xb4/0xfc
[  754.385832]  panic+0x158/0x320
[  754.385833]  nmi_panic+0x84/0x88
[  754.385834]  arm64_serror_panic+0x74/0x80
[  754.385835]  do_serror+0x80/0x138
[  754.385836]  el1_error+0x84/0x100
[  754.385838]  wait_for_completion_interruptible_timeout+0x20/0x120
[  754.385839]  meson_handle_cipher_request+0x344/0x700
[  754.385840]  crypto_pump_work+0x10c/0x228
[  754.385841]  kthread_worker_fn+0xa8/0x188
[  754.385842]  kthread+0xf0/0x120
[  754.385843]  ret_from_fork+0x10/0x18
[  754.385862] SMP: stopping secondary CPUs
[  754.385863] Kernel Offset: disabled
[  754.385864] CPU features: 0x00002,24002004
[  754.385865] Memory Limit: none

-Anand