[yocto] linux: having problems forcing a kernel recompile...
Bob Cochran
yocto at mindchasers.com
Sat Jan 10 14:37:40 PST 2015
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?
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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>
>
>
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