On Tue, Jan 23, 2018 at 4:34 AM, Corbin Bird <corbinb...@charter.net> wrote:
> On 01/22/2018 11:56 AM, Rich Freeman wrote:
>> On Mon, Jan 22, 2018 at 12:11 PM, Alexander Kapshuk
>> <alexander.kaps...@gmail.com> wrote:
>>> On Mon, Jan 22, 2018 at 5:51 PM, Corbin Bird <corbinb...@charter.net> wrote:
>>>> Anyone else getting this error? ( kernel 4.9.77 )
>>>>
>>>>>   CC      fs/ext4/mballoc.o
>>>>>   CC      fs/ext4/block_validity.o
>>>>>   CC      fs/ext4/move_extent.o
>>>>>   CC      fs/ext4/mmp.o
>>>>>   CC      fs/ext4/indirect.o
>>>>> fs/ext4/indirect.o: warning: objtool: ext4_clear_blocks()+0x242: can't
>>>>> find jump dest instruction at .text+0x56c
>>>>>   CC      fs/ext4/extents_status.o
>>>>> /bin/sh: line 1: 31735 Segmentation fault      ./tools/objtool/objtool
>>>>> check "fs/ext4/extents_status.o"
>>>>> make[2]: *** [scripts/Makefile.build:294: fs/ext4/extents_status.o]
>>>>> Error 139
>>>>> make[1]: *** [scripts/Makefile.build:544: fs/ext4] Error 2
>>>>> make: *** [Makefile:995: fs] Error 2
>>>> Corbin
>>>>
>>>>
>>> Based on the output you supplied, objtool isn't happy with
>>> fs/ext4/indirect.o and fs/ext4/extents_status.o.
>>> Did you do 'make clean' prior to building the kernel?
>>> If you did, it might be worth doing a 'make mrproper' before
>>> rebuilding the kernel.
>>> Don't forget to back up your .config before running mrproper.
>>>
>> While this is going to cause a bit more building, I personally tend to
>> redirect kernel build output.  I add O=/var/tmp/linux to all my make
>> commands, which leaves /usr/src untouched and builds faster besides
>> (tmpfs).
>>
>> The main downsides to this are:
>> 1.  Make can't re-use objects from previous builds, so rebuilds will
>> go slower.  Though, IMO this is worthwhile if re-using those objects
>> causes issues (which I assume is due to imperfect makefiles).
>> 2.  When building packages that install kernel modules the prepared
>> sources won't exist.  This requires going back and re-preparing them
>> (make O=/var/tmp/linux modules_prepare).  For packages like zfs-kmod
>> that use Module.symvers this is even more painful as you can only get
>> that by rebuilding the whole thing.
>>
>
> Tried both approaches ... the results :
>> make distclean
>> make mrproper
>> --> copy over .config
>> make modules_prepare
>> make && make modules_install
>>
>>   CC      fs/ext4/block_validity.o
>>   CC      fs/ext4/move_extent.o
>>   CC      fs/ext4/mmp.o
>>   CC      fs/ext4/indirect.o
>> fs/ext4/indirect.o: warning: objtool: ext4_clear_blocks()+0x242: can't
>> find jump dest instruction at .text+0x56c
>>   CC      fs/ext4/extents_status.o
>> /bin/sh: line 1: 24095 Segmentation fault      ./tools/objtool/objtool
>> check "fs/ext4/extents_status.o"
>> make[2]: *** [scripts/Makefile.build:294: fs/ext4/extents_status.o]
>> Error 139
>> make[1]: *** [scripts/Makefile.build:544: fs/ext4] Error 2
>> make: *** [Makefile:995: fs] Error 2
>>
>>
> Try 2 :
>>
>> make distclean
>> make mrproper
>> --> copy over .config
>> make O=/var/tmp/linux modules_prepare
>> make O=/var/tmp/linux && make O=/var/tmp/linux modules_install
>>
>>   CC      fs/ext4/move_extent.o
>>   CC      fs/ext4/mmp.o
>>   CC      fs/ext4/indirect.o
>> fs/ext4/indirect.o: warning: objtool: ext4_clear_blocks()+0x242: can't
>> find jump dest instruction at .text+0x56c
>>   CC      fs/ext4/extents_status.o
>> /bin/sh: line 1: 21028 Segmentation fault      ./tools/objtool/objtool
>> check "fs/ext4/extents_status.o"
>> make[3]: *** [/usr/src/linux-4.9.77-gentoo/scripts/Makefile.build:294:
>> fs/ext4/extents_status.o] Error 139
>> make[2]: *** [/usr/src/linux-4.9.77-gentoo/scripts/Makefile.build:544:
>> fs/ext4] Error 2
>> make[1]: *** [/usr/src/linux-4.9.77-gentoo/Makefile:995: fs] Error 2
>> make[1]: Leaving directory '/var/tmp/linux'
>> make: *** [Makefile:150: sub-make] Error 2
> Try 2 gave an error warning about needing an 'make mrproper' ... the error :
>>
>>   CHK     include/config/kernel.release
>>   UPD     include/config/kernel.release
>>   Using /usr/src/linux-4.9.77-gentoo as source for kernel
>>   /usr/src/linux-4.9.77-gentoo is not clean, please run 'make mrproper'
>>   in the '/usr/src/linux-4.9.77-gentoo' directory.
>> make[1]: *** [/usr/src/linux-4.9.77-gentoo/Makefile:1021: prepare3]
>> Error 1
>> make[1]: Leaving directory '/var/tmp/linux'
>> make: *** [Makefile:150: sub-make] Error 2
> So ... I followed directions :
>> Darkstar /usr/src/linux # cd /usr/src/linux-4.9.77-gentoo
>> Darkstar /usr/src/linux-4.9.77-gentoo # make mrproper
>>   CLEAN   scripts/basic
>>   CLEAN   scripts/kconfig
>>   CLEAN   .config
>
> Still get the same error ...
>
> Corbin
>

Is this a distribution supplied kernel or vanilla or one with your own
customisations/modifications?

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