[yocto] linux: having problems forcing a kernel recompile...

[Bruce Ashfield]

On Sat, Jan 10, 2015 at 5:37 PM, Bob Cochran <yocto at mindchasers.com> wrote:
> On 01/10/2015 02:45 PM, Bruce Ashfield wrote:
>>
>> On Fri, Jan 9, 2015 at 11:32 AM, Bob Cochran <yocto at mindchasers.com>
>> wrote:
>>>
>>> Hi,
>>>
>>> I'm working with the latest poky master branch (as of this morning:
>>> 876370419a), and I can't force a recompile of the kernel:
>>>
>>> $ bitbake virtual/kernel -c compile -f
>>>
>>> fails with
>>>
>>> | make[2]: *** [prepare3] Error 1
>>>
>>> I have seen this with both linux-qoriq and my own derived linux-yocto
>>> recipe.
>>>
>>> I believe it's due to my sysroots kernel source directory not being
>>> clean.
>>>
>>> When I initially bake my kernel, I can see that the do_populate_sysroot
>>> task
>>> is run and it copies a .config into sysroots/<machine>/usr/src/kernel.
>>>
>>> When I try to force the recompile, MAKE sees that my source directory
>>> isn't
>>> clean and quits ( throws the prepare3 error ).
>>>
>>> Somewhat related, I also notice that neither a
>>>
>>> $ bitbake virtual/kernel -c cleansstate
>>>
>>> nor a
>>>
>>> $ bitbake virtual/kernel -c cleanall
>>>
>>> actually cleans my kernel source directory.  Should it?
>>>
>>>
>>> If these are legitimate bugs, I'll be happy to file a bugzilla report.
>>
>>
>>
>> These are due to some changes that we merged at the end of December to
>> improve kernel build times. We have bugs open for this issue
>
>
>
> BTW, I'm browsing bugzilla but not seeing a bug entry that obviously covers
> these issues.
>
> I'm looking at kernel-configuration, kernel-tooling, and linux-yocto.
>
> Perhaps it's covered somewhere else?  Can you please let me know the bug id?

https://bugzilla.yoctoproject.org/show_bug.cgi?id=7121

Covers the same root cause.

Bruce

>
> Thanks again,
>
> Bob
>
>
>
>
> , and set of
>>
>> changes nearly ready that addresses this, and a few other pending issues.
>>
>> Bruce
>>
>>>
>>>
>>> Thanks
>>>
>>> Bob
>>>
>>>
>>>
>>>
>>>
>>> Error Log from running "bitbake virtual/kernel -c compile -f":
>>>
>>>
>>> | DEBUG: Executing shell function do_compile
>>> | NOTE: make -j 4 uImage CC=powerpc64-poky-linux-gcc
>>> --sysroot=/build/yocto/t1040_1/tmp/sysroots/t1040rdb-64b
>>> LD=powerpc64-poky-linux-ld.bfd
>>> --sysroot=/build/yocto/t1040_1/tmp/sysroots/t1040rdb-64b
>>> |   CHK     include/config/kernel.release
>>> |   GEN
>>>
>>> /build/yocto/t1040_1/tmp/work/t1040rdb_64b-poky-linux/linux-qoriq/3.12-r0/build/Makefile
>>> |   CHK     include/generated/uapi/linux/version.h
>>> |   Using /build/yocto/t1040_1/tmp/sysroots/t1040rdb-64b/usr/src/kernel
>>> as
>>> source for kernel
>>> |   /build/yocto/t1040_1/tmp/sysroots/t1040rdb-64b/usr/src/kernel is not
>>> clean, please run 'make mrproper'
>>> |   in the
>>> '/build/yocto/t1040_1/tmp/sysroots/t1040rdb-64b/usr/src/kernel'
>>> directory.
>>> |   CHK     include/generated/utsrelease.h
>>> | make[2]: *** [prepare3] Error 1
>>> | make[2]: *** Waiting for unfinished jobs....
>>> |   CC      scripts/mod/empty.o
>>> |   CC      scripts/mod/devicetable-offsets.s
>>> |   MKELF   scripts/mod/elfconfig.h
>>> |   HOSTCC  scripts/mod/modpost.o
>>> |   HOSTCC  scripts/mod/sumversion.o
>>> |   GEN     scripts/mod/devicetable-offsets.h
>>> |   HOSTCC  scripts/mod/file2alias.o
>>> |   HOSTLD  scripts/mod/modpost
>>> | make[1]: *** [sub-make] Error 2
>>> | make: *** [all] Error 2
>>> | ERROR: oe_runmake failed
>>> --
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>>> yocto at yoctoproject.org
>>> https://lists.yoctoproject.org/listinfo/yocto
>>
>>
>>
>>
>



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