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SubjectRe: linux-next: Tree for Oct 5 (warnings: a. trace; b. mm/migrate)
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On 10/6/21 7:56 AM, Steven Rostedt wrote:
> On Wed, 6 Oct 2021 07:52:07 -0700
> Dave Hansen <dave.hansen@intel.com> wrote:
>
>> On 10/5/21 1:46 PM, Randy Dunlap wrote:
>>> On 10/5/21 1:06 AM, Stephen Rothwell wrote:
>>>> Hi all,
>>>>
>>>> Changes since 20211001:
>>>
>>> on x86_64:
>> ...
>>> b. randconfig: KCONFIG_SEED=0xFD1CE406
>>>
>>> ../mm/migrate.c:3216:22: error: 'migrate_on_reclaim_callback' defined
>>> but not used [-Werror=unused-function]
>>>  static int __meminit migrate_on_reclaim_callback(struct notifier_block
>>> *self,
>>>                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>>> ../mm/migrate.c:3197:13: error: 'set_migration_target_nodes' defined but
>>> not used [-Werror=unused-function]
>>>  static void set_migration_target_nodes(void)
>>>              ^~~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>>
>>> (example usage to get the randconfig files:
>>> KCONFIG_SEED=0xBFBEA13C make [ARCH=x86_64] randconfig
>>> )
>>
>> Hi Randy,
>>
>> I'm having a heck of a time reproducing this one. Any chance you could
>> share an exact sha1 for the tree where you're hitting this, and maybe
>> even the actual .config (just in case the KCONFIG_SEED isn't working
>> somehow).
>>
>> I've tried a few linux-next trees as well as the mmotm, mmots and
>> mainline with the culprit patch applied. No luck reproducing this so far.
>
> also, just sending the .config that broke would be much better than
> supplying the seed you used to make it. I'm assuming if we don't use the
> exact kernel image, with different configs available between versions, the
> seed will produce different results.
>
> Not to mention, I'll spend the time to look at a .config and less likely to
> spend the time trying to figure out how to create that config.

OK, so a failed experiment. :(

The failing randconfig file is attached (for a. trace).

thanks.
--
~Randy
[unhandled content-type:application/gzip]
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