Re: [poky] Problem building poky

On 2025-11-06 11:04 a.m., Yogesh Tyagi via lists.yoctoproject.org wrote:
> Also you can limit the parallel builds as per the resources available on your system e.g.
>
> BB_NUMBER_THREADS = "4"
> PARALLEL_MAKE = "-j 4"
>
> Thanks,
> Yogesh

Did that help David?

If not, please tell us about your HW.

You might also try to build core-image-minimal
since it will be less demanding but it does only produce an
cli-based image rather than poky's X11 UI.

../Randy



>> -----Original Message-----
>> From:[email protected] <[email protected]> On Behalf
>> Of Peter Marko via lists.yoctoproject.org
>> Sent: Thursday, November 6, 2025 5:09 PM
>> To:[email protected];[email protected]
>> Subject: Re: [poky] Problem building poky
>>
>> Most probably you PC run out of memory, some essential process got killed
>> and your object files are incomplete/corrupted.
>> I'd suggest looking at your CPU count vs available RAM and tweaking the
>> concurrency settings.
>> I'd recommend to have at least 2GB RAM for each available CPU you give to
>> the build.
>>
>> Then you should delete the build directory (as it contains corrupted files) and
>> run the build again.
>>
>> Peter
>>
>>> -----Original Message-----
>>> From:[email protected] <[email protected]> On
>>> Behalf Of David Regan via lists.yoctoproject.org
>>> Sent: Thursday, November 6, 2025 12:18
>>> To:[email protected]
>>> Subject: [poky] Problem building poky
>>>
>>> Hi
>>> I am completely new to linux and so will make rookie mistakes. Apologies
>> for that.
>>> I have set up my pc as a dual boot and am running ubunutu 24.04.3.
>>>
>>> Due to limited hard disk size I have connected an external drive which
>>> has been formatted as ext4 and have installed poky on it.
>>>
>>> I have followed the Quick Build instructions for poky on scarthgap
>>> branch using bitbake core-image-sato to build
>>>
>>> After a while it errors. Here are the last few lines of the log. There
>>> are quite a few undefined references reported.
>>>
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/hosttools/ld:
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/work/x86_6
>> 4
>>> -
>>> linux/python3-native/3.12.12/build/../Python-
>>> 3.12.12/Modules/pwdmodule.c:175:(.text+0x4b0): undefined reference to
>>> `PyEval_RestoreThread'
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/hosttools/ld:
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/work/x86_6
>> 4
>>> -
>>> linux/python3-native/3.12.12/build/../Python-
>>> 3.12.12/Modules/pwdmodule.c:175:(.text+0x56a): undefined reference to
>>> `PyEval_RestoreThread'
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/hosttools/ld:
>>> Modules/pwdmodule.o: in function `pwd_getpwnam_impl':
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/work/x86_6
>> 4
>>> -
>>> linux/python3-native/3.12.12/build/../Python-
>>> 3.12.12/Modules/pwdmodule.c:219:(.text+0x5cd): undefined reference to
>>> `PyUnicode_EncodeFSDefault'
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/hosttools/ld:
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/work/x86_6
>> 4
>>> -
>>> linux/python3-native/3.12.12/build/../Python-
>>> 3.12.12/Modules/pwdmodule.c:230:(.text+0x5f6): undefined reference to
>>> `PyEval_SaveThread'
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/hosttools/ld:
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/work/x86_6
>> 4
>>> -
>>> linux/python3-native/3.12.12/build/../Python-
>>> 3.12.12/Modules/pwdmodule.c:258:(.text+0x687): undefined reference to
>>> `PyEval_RestoreThread'
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/hosttools/ld:
>>> Modules/pwdmodule.o: in function `pwd_getpwnam':
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/work/x86_6
>> 4
>>> -
>>> linux/python3-native/3.12.12/build/../Python-
>>> 3.12.12/Modules/clinic/pwdmodule.c.h:43:(.text+0x71c): undefined
>>> reference to `_PyArg_BadArgument'
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/hosttools/ld:
>>> Modules/pwdmodule.o: in function `pwd_getpwnam_impl':
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/work/x86_6
>> 4
>>> -
>>> linux/python3-native/3.12.12/build/../Python-
>>> 3.12.12/Modules/pwdmodule.c:258:(.text+0x751): undefined reference to
>>> `PyEval_RestoreThread'
>>>
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/hosttools/ld:
>> /media/<me>/linux_extdsk/dr_ext/yocto_build/poky/build/tmp/work/x86_6
>> 4
>>> -
>>> linux/python3-native/3.12.12/build/../Python-
>>> 3.12.12/Modules/pwdmodule.c:258:(.text+0x7a2): undefined reference to
>>> `PyEval_RestoreThread'
>>> collect2: error: ld returned 1 exit status
>>> make: *** [Makefile:1316: Programs/_freeze_module] Error 1
>>> ERROR: oe_runmake failed
>>> WARNING: exit code 1 from a shell command.
>>>
>>> I would have expected this to build without any errors as I have not
>>> modified anything. Part way through the build my session became
>>> unresponsive (mouse not moving - I was using it to keep the terminal
>>> alive) and the terminal stopped and returned me to the desktop.
>>>
>>> Could somebody advise on how this can be resolved.
>>>
>>> Kind regards
>>> Dave Regan
>>>
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-- 
# Randy MacLeod
# Wind River Linux