> Il giorno 12 apr 2017, alle ore 11:24, Paolo Valente <paolo.valente@xxxxxxxxxx> ha scritto: > >> >> Il giorno 12 apr 2017, alle ore 10:39, Ye Xiaolong <xiaolong.ye@xxxxxxxxx> ha scritto: >> >> On 04/11, Paolo Valente wrote: >>> >>>> Il giorno 02 apr 2017, alle ore 12:02, kbuild test robot <lkp@xxxxxxxxx> ha scritto: >>>> >>>> Hi Paolo, >>>> >>>> [auto build test ERROR on block/for-next] >>>> [also build test ERROR on v4.11-rc4 next-20170331] >>>> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] >>>> >>> >>> Hi, >>> this seems to be a false positive. Build is correct with the tested >>> tree and the .config. >>> >> >> Hmm, this error is reproducible in 0day side, and you patches were applied on >> top of 803e16d "Merge branch 'for-4.12/block' into for-next", is it the same as >> yours? >> > > I have downloaded the offending tree directly from the github page. > > Here are my steps in super detail. > > I followed the url: https://github.com/0day-ci/linux/commits/Paolo-Valente/block-bfq-introduce-the-BFQ-v0-I-O-scheduler-as-an-extra-scheduler/20170402-100622 > and downloaded the tree ("Browse the repository at this point in > history" link on the top commit, then "Download ZIP"), plus the > .config.gz attached to the email. > > Then I built with no error. > > To try to help understand where the mistake is, the compilation of the > files of course fails because each of the offending files does not > contain the definition of the reported functions. But that definition > is contained in one of the other files for the same module. I mean > one of the files listed in the following rule in block/Makefile: > obj-$(CONFIG_IOSCHED_BFQ) += bfq-iosched.o bfq-wf2q.o bfq-cgroup.o > > Maybe I'm making some mistake in the Makefile, or I forgot to modify > some other configuration file? > > Help! :) > Ok, fortunately I've reproduced it on a different PC. block/Makefile was flawed, but, for unknown (to me) reasons, my system was perfectly happy with the flaw. Thanks, Paolo > Thanks, > Paolo > >> Thanks, >> Xiaolong >> >>> Thanks, >>> Paolo >>> >>>> url: https://github.com/0day-ci/linux/commits/Paolo-Valente/block-bfq-introduce-the-BFQ-v0-I-O-scheduler-as-an-extra-scheduler/20170402-100622 >>>> base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next >>>> config: i386-allmodconfig (attached as .config) >>>> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 >>>> reproduce: >>>> # save the attached .config to linux build tree >>>> make ARCH=i386 >>>> >>>> All errors (new ones prefixed by >>): >>>> >>>>>> ERROR: "bfq_mark_bfqq_busy" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfqg_stats_update_dequeue" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_clear_bfqq_busy" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_clear_bfqq_non_blocking_wait_rq" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_bfqq_non_blocking_wait_rq" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_clear_bfqq_wait_request" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_timeout" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfqg_stats_set_start_empty_time" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_weights_tree_add" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_put_queue" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_bfqq_sync" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfqg_to_blkg" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfqq_group" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_weights_tree_remove" [block/bfq-wf2q.ko] undefined! >>>>>> ERROR: "bfq_bic_update_cgroup" [block/bfq-iosched.ko] undefined! >>>>>> ERROR: "bfqg_stats_set_start_idle_time" [block/bfq-iosched.ko] undefined! >>>>>> ERROR: "bfqg_stats_update_completion" [block/bfq-iosched.ko] undefined! >>>>>> ERROR: "bfq_bfqq_move" [block/bfq-iosched.ko] undefined! >>>>>> ERROR: "bfqg_put" [block/bfq-iosched.ko] undefined! >>>>>> ERROR: "next_queue_may_preempt" [block/bfq-iosched.ko] undefined! >>>> >>>> --- >>>> 0-DAY kernel test infrastructure Open Source Technology Center >>>> https://lists.01.org/pipermail/kbuild-all Intel Corporation >>>> <.config.gz> >>> >>> _______________________________________________ >>> kbuild-all mailing list >>> kbuild-all@xxxxxxxxxxxx >>> https://lists.01.org/mailman/listinfo/kbuild-all
