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SubjectRe: [PATCH v3 00/15] Canaan devicetree fixes
On 7/1/22 02:53, Sudeep Holla wrote:
> On Thu, Jun 30, 2022 at 04:28:26PM +0000, Niklas Cassel wrote:
>> On Wed, Jun 29, 2022 at 07:43:29PM +0100, Conor Dooley wrote:
>>> From: Conor Dooley <>
>>> Hey all,
>>> This series should rid us of dtbs_check errors for the RISC-V Canaan k210
>>> based boards. To make keeping it that way a little easier, I changed the
>>> Canaan devicetree Makefile so that it would build all of the devicetrees
>>> in the directory if SOC_CANAAN.
>>> I *DO NOT* have any Canaan hardware so I have not tested any of this in
>>> action. Since I sent v1, I tried to buy some since it's cheap - but could
>>> out of the limited stockists none seemed to want to deliver to Ireland :(
>>> I based the series on next-20220617.
>> I first tried to apply your series on top of next-20220630,
>> but was greeted by a bunch of different warnings on boot,
>> including endless RCU stall warnings.
>> However, even when booting next-20220630 without your patches,
>> I got the same warnings and RCU stall.
> Is it possible to share the boot logs please ?
> Conor is having issues with my arch_topology/cacheinfo updates in -next.
> I would like to know if your issue is related to that or not ?

FYI, I see rcu warnings on boot on my dual-socket 8-cores Xeon system, but
the same kernel does not have the rcu warnings with an AMD Epyc single
socket 16-cores box.

>> So I tested your series on top of v5.19-rc4 +
>> commit 0397d50f4cad ("spi: dt-bindings: Move 'rx-sample-delay-ns' to
>> spi-peripheral-props.yaml") cherry-picked,
>> (in order to avoid conflicts when applying your series,)
>> and the board was working as intended, no warnings or RCU stalls.
> If possible can you give this branch[1] a try where my changes are and doesn't
> have any other changes from -next. Sorry to bother you.
> Conor seem to have issue with this commit[2], so if you get issues try to
> check if [3] works.
> Regards,
> Sudeep
> [1]
> [2]
> [3]

Damien Le Moal
Western Digital Research

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