On 07 November 2018 at 03:11AM, Scott Wood wrote:
On Sun, 2018-10-28 at 17:35 +0100, Christian Zigotzky wrote:
Hello,
SMP doesn't work anymore with the latest Git kernel (28/10/18 11:12AM
GMT) on my P5020 board and on virtual e5500 QEMU machines.
Board with P5020 dual core CPU:
[
On Sun, 2018-10-28 at 17:35 +0100, Christian Zigotzky wrote:
> Hello,
>
> SMP doesn't work anymore with the latest Git kernel (28/10/18 11:12AM
> GMT) on my P5020 board and on virtual e5500 QEMU machines.
>
> Board with P5020 dual core CPU:
>
> [0.00]
Hi Michael,
Many thanks for this good explanation. I will try to learn more about
bisecting. Sometimes the problem is the time. I usually work for a Linux
first level support for our AmigaOne machines. That means my main work
is end user support. Therefore I have to learn more about second
Christian Zigotzky writes:
> Little progress ...
>
> I reverted the following two OF files of the commit 'Merge tag
> devicetree-for-4.20' and SMP works! The problematic code is somewhere in
> these two files.
>
> a/include/linux/of.h
> a/drivers/of/base.c
Hi Christian,
Trying to debug
On 30 October 2018 at 08:27AM, Christian Zigotzky wrote:
On 30 October 2018 at 02:59AM, Benjamin Herrenschmidt wrote:
On Tue, 2018-10-30 at 02:42 +0100, Christian Zigotzky wrote:
OF patch for the latest Git kernel: http://www.xenosoft.de/of_v2.patch
This just seems to revert a whole bunch of
On 30 October 2018 at 02:59AM, Benjamin Herrenschmidt wrote:
On Tue, 2018-10-30 at 02:42 +0100, Christian Zigotzky wrote:
OF patch for the latest Git kernel: http://www.xenosoft.de/of_v2.patch
This just seems to revert a whole bunch of stuff, not really the right
way to go. Why is
On Tue, 2018-10-30 at 02:42 +0100, Christian Zigotzky wrote:
> OF patch for the latest Git kernel: http://www.xenosoft.de/of_v2.patch
This just seems to revert a whole bunch of stuff, not really the right
way to go. Why is of_get_next_cpu_node() not finding your CPUs ? There
must be something
OF patch for the latest Git kernel: http://www.xenosoft.de/of_v2.patch
- of_v2.patch -
diff -rupN a/drivers/of/base.c b/drivers/of/base.c
--- a/drivers/of/base.c 2018-10-30 02:19:30.827089495 +0100
+++ b/drivers/of/base.c 2018-10-30
On 30 October 2018 at 00:04AM, Scott Wood wrote:
On Mon, 2018-10-29 at 21:12 +0100, Christian Zigotzky wrote:
Hello Christophe,
Bisecting isn’t necessary because the problem is in the following files.
drivers/of/base.c
drivers/of/device.c
drivers/of/of_mdio.c
drivers/of/of_numa.c
On Mon, 2018-10-29 at 21:12 +0100, Christian Zigotzky wrote:
> Hello Christophe,
>
> Bisecting isn’t necessary because the problem is in the following files.
>
> drivers/of/base.c
> drivers/of/device.c
> drivers/of/of_mdio.c
> drivers/of/of_numa.c
> drivers/of/of_private.h
> drivers/of/overlay.c
Little progress ...
I reverted the following two OF files of the commit 'Merge tag
devicetree-for-4.20' and SMP works! The problematic code is somewhere in
these two files.
a/include/linux/of.h
a/drivers/of/base.c
-- Christian
On 29 October 2018 at 6:00PM, Christian Zigotzky wrote:
Hello Christophe,
Bisecting isn’t necessary because the problem is in the following files.
drivers/of/base.c
drivers/of/device.c
drivers/of/of_mdio.c
drivers/of/of_numa.c
drivers/of/of_private.h
drivers/of/overlay.c
drivers/of/platform.c
drivers/of/unittest-data/overlay_15.dts
Christian Zigotzky a écrit :
Hello,
I figured out that the problem is in the OF source code of the
commit: Merge tag devicetree-for-4.20. [1]
That's a merge commit. Can you bisect the branch and identify the
faulting commit ?
Christophe
I reverted the following OF files and SMP
Hello,
I figured out that the problem is in the OF source code of the commit:
Merge tag devicetree-for-4.20. [1]
I reverted the following OF files and SMP works!
drivers/of/base.c
drivers/of/device.c
drivers/of/of_mdio.c
drivers/of/of_numa.c
drivers/of/of_private.h
drivers/of/overlay.c
Hello,
I have figured out that the commit 'devicetree-for-4.20' [1] is
responsible for the SMP problem. I was able to revert this commit with
'git revert b27186abb37b7bd19e0ca434f4f425c807dbd708 -m 1' today.
[master ec81438] Revert "Merge tag 'devicetree-for-4.20' of
Hello,
SMP doesn't work anymore with the latest Git kernel (28/10/18 11:12AM
GMT) on my P5020 board and on virtual e5500 QEMU machines.
Board with P5020 dual core CPU:
[ 0.00] -
[ 0.00] phys_mem_size = 0x2
[
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