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From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Mon, 24 Oct 2016 09:00:47 +0200
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Subject: Re: The failure summary report of GEN2 for linux stable v4.8
To: Xuan Truong Nguyen <nx-truong@jinso.co.jp>
Cc: Wolfram Sang <wsa@sang-engineering.com>,
        duclm <lm-duc@jinso.co.jp>,
        Ryusuke Sakato <ryusuke.sakato.bx@renesas.com>,
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        Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
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Hi Truong,

On Wed, Oct 19, 2016 at 4:20 AM, Xuan Truong Nguyen
<nx-truong@jinso.co.jp> wrote:
> For Issue 9 (related to SCIF) we'll describe how we reproduce that as below:
> on the controller console minicom (ttySC0 on board) we execute the command
> #stty -F /dev/ttySC1 speed 38400 cs8 -cstopb;cat /dev/ttySC1
> then we send the 10M file from the host PC to ttySC1 via gtkterm program.
> the 10M file must contain a lot of lines ( \n character ) as we created by
> #< /dev/urandom tr -dc "a-zA-Z0-9\n" | head -c"$size" >  file10M.txt
> every thing runs normally for a while (after about 2/3 of data was
> transmitted), then the kernel hangs up. some time the warning message is
> output.

This is with shmobile_defconfig?
Does it work better if you enable CONFIG_SERIAL_SH_SCI_DMA?

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds