Hi Sergei,

On Wed, Sep 30, 2015 at 10:10 PM, Sergei Shtylyov
[off-list ref] wrote:

On 09/30/2015 09:44 AM, Geert Uytterhoeven wrote:

quoted

quoted

quoted

From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <redacted>
---
   arch/arm/boot/dts/r8a7791.dtsi | 22 ++++++++++++++++++++++
   1 file changed, 22 insertions(+)

quoted

quoted

    When the USB-DMAC driver is enabled, this causes kernel oops on at
least
the R8A7791 Henninger/Porter boards (haven't checked the others yet) with
renesas-devel-20150928-v4.3-rc3 and even earlier tag. The oops can only
be
seen with the earlyprintk=serial kernel parameter, otherwise the kernel
just
hangs with a blank console.

My current kernel on r8a7791/koelsch has CONFIG_RENESAS_USB_DMAC=y and
boots
fine.

renesas-devel-20150928-v4.3-rc3 with shmobile_defconfig +
CONFIG_RENESAS_USB_DMAC=y also boots fine.

   Indeed, I was able to boot it all the way on Henninger.

quoted

Do I need to enable/disable config options to trigger this?

   It appears so. I just don't know what -- the diff between my .config and
shmobile_defconfig is 150+ hunks. :-(

Can you please send me your .config by private email?

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at 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