netdev - Re: [Intel-wired-lan] [tnguy-next-queue:dev-queue] BUILD REGRESSION a6c7254e995a80be8c3239fb631d9d65c9e75248

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Message-ID: <6de12304-090e-424c-83cc-11da8c8f0a5a@intel.com>
Date: Mon, 15 Sep 2025 16:20:54 -0700
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: Przemek Kitszel <przemyslaw.kitszel@...el.com>, Breno Leitao
	<leitao@...ian.org>, Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
CC: Intel Wired LAN <intel-wired-lan@...ts.osuosl.org>,
	<netdev@...r.kernel.org>, kernel test robot <lkp@...el.com>
Subject: Re: [Intel-wired-lan] [tnguy-next-queue:dev-queue] BUILD REGRESSION
 a6c7254e995a80be8c3239fb631d9d65c9e75248



On 9/15/2025 5:51 AM, Przemek Kitszel wrote:
> On 9/15/25 12:14, Breno Leitao wrote:
>> On Sun, Sep 14, 2025 at 06:05:17AM +0800, kernel test robot wrote:
>>> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/ 
>>> next-queue.git dev-queue
>>> branch HEAD: a6c7254e995a80be8c3239fb631d9d65c9e75248  idpf: enable 
>>> XSk features and ndo_xsk_wakeup
>>>
>>> Error/Warning ids grouped by kconfigs:
>>>
>>> recent_errors
>>> `-- loongarch-loongson3_defconfig
>>>      |-- ld.lld:error:undefined-symbol:libie_fwlog_deinit
>>>      |-- ld.lld:error:undefined-symbol:libie_fwlog_init
>>>      `-- ld.lld:error:undefined-symbol:libie_get_fwlog_data
>>
>> I am having a similar issue on net-next, where the kernel is failing to
>> compile due to the undefined symbols above.
>>
>> This happens when CONFIG_ICE is set.

Hi Breno,

I think I may have found something. Can you share what your CONFIG_ICE 
and CONFIG_IXGBE are set to? If different, could you try matching them 
and see if that fixes the issue?

Thanks,
Tony

>>
> 
> thank you for a human report!
> 
> I were analyzing this in the past, (after all fixes by Michal), and
> code looked fine, despite lkp complains.
> 
> Now, when an actual problem reproduces, I tried it too, and indeed there
> was problem - but, it was not a full build (I made a full build just
> before fwlog PR, then just added the patches)
> 
> during my attempts at understanding what happens, I have fixed the
> problem on my machine, so not sure what was needed.
> 
> I have moved the below line prior to #includes in fwlog.c:
>   #define DEFAULT_SYMBOL_NAMESPACE        "LIBIE_FWLOG"
> 
> that itself didn't helped, and with that reverted the fwlog.o an .ko
> files are still building
> 
> I have invoked
> make nsdeps # in the root of the tree, interrupted in a few minutes
> then later:
> make M=drivers/net/ethernet/intel/libie -j nsdeps
> what got my attention as the very first time that I got fwlog.o
> 
> sorry, I have no time for proper digging if there is some incremental
> build problem (which I have no idea to classify as a "wrong build-user
> operations" vs "buildsystem issue"), at least today