linux-kernel - Re: [broonie-ci:regmap-test-format] [regmap] af560701e3: RIP:__regmap

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Date: Fri, 1 Mar 2024 11:30:13 +0800
From: Oliver Sang <oliver.sang@...el.com>
To: Mark Brown <broonie@...nel.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
	<oliver.sang@...el.com>
Subject: Re: [broonie-ci:regmap-test-format] [regmap]  af560701e3:
 RIP:__regmap_init

hi, Mark Brown,

On Fri, Mar 01, 2024 at 09:37:21AM +0800, Oliver Sang wrote:
> hi, Mark Brown,
> 
> On Thu, Feb 29, 2024 at 03:47:33PM +0000, Mark Brown wrote:
> > On Thu, Feb 29, 2024 at 11:43:55PM +0800, kernel test robot wrote:
> > > 
> > > 

..

> 
> and we noticed there is changes in __regmap_init(), we also noticed the issue
> seems happen before the test even starts to run. not sure if the detail dmesg in
> https://download.01.org/0day-ci/archive/20240229/202402292329.a1c8a83f-lkp@intel.com/dmesg.xz
> could supply more information?
> 
> if you still think this is a wrong report, or you want us to test any patch,
> please just let us know. it's always our great pleasure. Thanks!
> 
> 

we checked this issue more, and found it could be platform specific.

we just try a simple boot with af560701e3 on below machine which we made origial
report and reproduced the issue (dmesg is attached).

test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (Kaby Lake) with 32G memory


at the same time, we test this commit with boot jobs on various other platforms
(Sapphire Rapids, Ice Lake, Cascade Lake, etc.) but didn't reproduce the issue.

Download attachment "dmesg.xz" of type "application/x-xz" (18728 bytes)