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Info for swat for hung build
has hung. Since this will be gone by the time anyone looks, inspection on the
system suggests it is hung in perl do_compile building a core-image-minimal:
$ pstree -p 3934003
909354 ? SN 0:00 make -C ext/XS-Typemap/ all PERL_CORE=1 LIBPERL=libperl.so.5.34.0 LINKTYPE=dynamic
909946 ? ZN 0:00 [true] <defunct>
3933716 ? SNs 0:02 python3 /home/pokybuild/yocto-worker/oe-selftest-centos/build/bitbake/bin/bitbake-worker decafbad
3934003 ? SN 0:00 /bin/sh /home/pokybuild/yocto-worker/oe-selftest-centos/build/build-st-3687560/tmp/work/core2-64-poky-linux/perl/5.34.0-r0/temp/run.do_compile.3933716
3934023 ? SN 0:00 make -j 16 -l 52
4035804 ? SN 0:00 make perl nonxs_ext utilities extensions pods
so the true exit code was never looked at by make?
I think it was just starting to run wic tests (wic.Wic, not wic.Wic2).
On Sat, 2021-10-30 at 14:04 +0100, Richard Purdie via lists.yoctoproject.org
I noticed:This was on centos8-ty-2.
gdb -p 909354
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Attaching to process 909354
Reading symbols from /usr/bin/make...Reading symbols from .gnu_debugdata for
/usr/bin/make...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done.
Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols
0x00007f79a1bc146d in pselect () from /lib64/libc.so.6
Missing separate debuginfos, use: yum debuginfo-install make-4.2.1-11.el8.x86_64
#0 0x00007f796a1bc146(gdb) btd in pselect () from /lib64/libc.so.6
#1 0x000055851c9f700d in jobserver_acquire ()
#2 0x000055851c9f3935 in new_job ()
#3 0x000055851c9ffc07 in update_file ()
#4 0x000055851ca00055 in check_dep ()
#5 0x000055851c9fefe6 in update_file ()
#6 0x000055851ca00055 in check_dep ()
#7 0x000055851c9fefe6 in update_file ()
#8 0x000055851ca00055 in check_dep ()
#9 0x000055851c9fefe6 in update_file ()
#10 0x000055851ca00055 in check_dep ()
#11 0x000055851c9fefe6 in update_file ()
#12 0x000055851ca00055 in check_dep ()
#13 0x000055851c9fefe6 in update_file ()
#14 0x000055851ca004cf in update_goal_chain ()
#15 0x000055851c9e3f56 in main ()
Centos 8 has make 4.2.1 which made me wonder about:
On Sat, 2021-10-30 at 14:14 +0100, Richard Purdie via lists.yoctoproject.org
On Sat, 2021-10-30 at 14:04 +0100, Richard Purdie via lists.yoctoproject.orgSending an ECHLD (sig 17) to the process had it exit and start building again.
Logs show it was stuck in wic.Wic.test_bootloader_config.
That means it could be the above bug and something got messed up with the job
counting? Or the ECHLD from the true process was somehow missed and there is a
race in make somewhere but that seems less likely?...
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