Hi Guillaume,
On Mon, Nov 1, 2021 at 9:19 PM Guillaume Tucker
<guillaume.tucker@xxxxxxxxxxxxx> wrote:
Hi Martin,
Please see the bisection report below about a boot failure on
rk3328-rock64.
Reports aren't automatically sent to the public while we're
trialing new bisection features on kernelci.org but this one
looks valid.
Some more details can be found here:
https://linux.kernelci.org/test/case/id/617f11f5c157b666fb3358e6/
Here's what appears to be the cause of the problem:
[ 0.033465] CPU: CPUs started in inconsistent modes
[ 0.033557] Unexpected kernel BRK exception at EL1
[ 0.034432] Internal error: BRK handler: f2000800 [#1] PREEMPT SMP
There doesn't appear to be any other platform in KernelCI showingThat's a strange error for the changes from my patch.
the same issue.
At first glance I don't see any relation to clk-composite code:
- the call trace doesn't have any references to CCF or rockchip clock drivers
- clk-rk3328.c uses drivers/clk/rockchip/clk-cpu.c to register the CPU
clock which does not use clk-composite
Chen-Yu has tested this patch (plus [0]) on RK3399 and didn't observe
any problems.
So maybe this is a RK3328 specific issue?
Anyways, I am interested in fixing this issue because reverting is
becoming more and more complex (since I think we're at eight commits
which would need to be reverted in total).
Please let us know if you need help debugging the issue or if youCould you please try [0] which is the second patch in the series which
have a fix to try.
finally made it upstream.
This second patch is not in 5.15 because I believed that it's only
something to make the code in clk-composite.c more future-proof. It's
not a condition that I am aware of.
I don't have any Rockchip boards myself.
So I am thankful for any help I can get.
Best regards,
Martin
[0] https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/commit/?h=clk-next&id=6594988fd625ff0d9a8f90f1788e16185358a3e6
_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/linux-rockchip