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osamu/gist:d4f192136dfc4ec98837ed036447d324

Last active October 3, 2018 09:43
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Kernel backport rebuild on Ubuntu
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gistfile1.md

= 準備 =

apt-get update
sudo apt-get build-dep linux-image-$(uname -r)

mkdir build
git clone git://kernel.ubuntu.com/ubuntu/ubuntu-bionic.git
git checkout -b Ubuntu-4.15.0-36.39
chmod a+x debian/rules
chmod a+x debian/scripts/*
chmod a+x debian/scripts/misc/*
fakeroot debian/rules clean

vi debian.master/changelog

= Build & Error あとはこれが通るまで繰り返す。

fakeroot debian/rules binary-headers binary-generic binary-perarch
fakeroot debian/rules binary

make[2]: Entering directory `/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/build/tools-perarch/tools/usb/usbip/libsrc'
  CC       libusbip_la-names.lo
In file included from names.c:41:0:
usbip_common.h:19:25: fatal error: linux/usbip.h: No such file or directory
 #include <linux/usbip.h>
                         ^
compilation terminated.
make[2]: *** [libusbip_la-names.lo] Error 1
make[2]: Leaving directory `/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/build/tools-perarch/tools/usb/usbip/libsrc'
make[1]: *** [install-recursive] Error 1
make[1]: Leaving directory `/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/build/tools-perarch/tools/usb/usbip'
make: *** [/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/stamps/stamp-build-perarch] Error 2

include pathが足らないのか。 linux/usbip.hは、build treeのinclue pathにあるので、それを足す

samu.matsumoto@gcp-performance-test2:~/rebuild-kernel/ubuntu-bionic$ git diff
diff --git a/debian/rules.d/2-binary-arch.mk b/debian/rules.d/2-binary-arch.mk
index aaf3d43..f8d2c9d 100644
--- a/debian/rules.d/2-binary-arch.mk
+++ b/debian/rules.d/2-binary-arch.mk
@@ -623,7 +623,7 @@ ifeq ($(do_tools_usbip),true)
        cd $(builddirpa)/tools/usb/usbip && ./autogen.sh
        chmod 755 $(builddirpa)/tools/usb/usbip/configure
        cd $(builddirpa)/tools/usb/usbip && ./configure --prefix=$(builddirpa)/tools/usb/usbip/bin
-       cd $(builddirpa)/tools/usb/usbip && make install CFLAGS="-g -O2 -static" CROSS_COMPILE=$(CROSS_COMPILE)
+       cd $(builddirpa)/tools/usb/usbip && make install CFLAGS="-g -O2 -static -I$(headers_dir)/usr/include" CROSS_COMPILE=$(CROSS_COMPILE)
 endif
 ifeq ($(do_tools_acpidbg),true)
        cd $(builddirpa)/tools/power/acpi && make clean && make CFLAGS="-g -O2 -static -I$(builddirpa)/include" CROSS_COMPILE=$(CROSS_COMPILE) acpidbg
diff --git a/debian/scripts/sub-flavour b/debian/scripts/sub-flavour
old mode 100644
new mode 100755

解決

  UPD     include/config/kernel.release
  Using /home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic as source for kernel
  /home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic is not clean, please run 'make mrproper'
  in the '/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic' directory.
make[3]: *** [prepare3] Error 1
make[2]: *** [__build_one_by_one] Error 2
make[2]: Leaving directory `/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/build/build-generic'
make[1]: *** [sub-make] Error 2
make[1]: Leaving directory `/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic'
make: *** [/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/stamps/stamp-prepare-tree-generic] Error 2

エラーにしたがって、make mproperすると、 ./debianが消される。。。

いっかい上からやり直す。

chmod a+x debian/rules
chmod a+x debian/scripts/*
chmod a+x debian/scripts/misc/*
fakeroot debian/rules clean

次のエラー

Using /home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic as source for kernel
Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: -fstack-protector-strong not supported by compiler
make[3]: *** [prepare-compiler-check] Error 1
make[2]: *** [__build_one_by_one] Error 2
make[2]: Leaving directory `/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/build/build-generic'
make[1]: *** [sub-make] Error 2
make[1]: Leaving directory `/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic'
make: *** [/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/stamps/stamp-prepare-tree-generic] Error 2

configで、現世代でサポートされてないオプションが入ってるらしい。

osamu.matsumoto@gcp-performance-test2:~/rebuild-kernel/ubuntu-bionic$ git diff
diff --git a/debian.master/config/config.common.ubuntu b/debian.master/config/config.common.ubuntu
index 2a0a4c1..de817b2 100644
--- a/debian.master/config/config.common.ubuntu
+++ b/debian.master/config/config.common.ubuntu
@@ -1262,7 +1262,7 @@ CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 # CONFIG_CC_STACKPROTECTOR_NONE is not set
 # CONFIG_CC_STACKPROTECTOR_REGULAR is not set
-CONFIG_CC_STACKPROTECTOR_STRONG=y
+CONFIG_CC_STACKPROTECTOR_STRONG=n
 CONFIG_CDROM=y
 CONFIG_CDROM_PKTCDVD_BUFFERS=8
 # CONFIG_CDROM_PKTCDVD_WCACHE is not set
diff --git a/debian/scripts/sub-flavour b/debian/scripts/sub-flavour
old mode 100644
new mode 100755

                sed -e 's/.*\/\([^\/]*\)\.ko/\1/' | sort > /home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian.master/abi/4.15.0-34.37/amd64/generic.modules
II: Checking modules for generic...
   reading new modules...read 5151 modules.
   reading old modules...
      MISS: icp
      MISS: spl
      MISS: splat
      MISS: zavl
      MISS: zcommon
      MISS: zfs
      MISS: znvpair
      MISS: zpios
      MISS: zunicode
      read 5160 modules : new(0)  missing(9)
EE: Missing modules (start begging for mercy)
make: *** [module-check-generic] Error 1

./debian/scripts/module-check このスクリプトが、 debian/rules.d/4-checks.mkここから

過去のmodule lisと比べて抜けがないかcheckしてるが、しなくていいよということで、、、 skipmoduleという変数がある。その辺いっかつしてやるやつが、 do_mainline_build=trueこれっぽい (from debian/rules)

# Being used to build a mainline build -- turn off things which do not work.
ifeq ($(do_mainline_build),true)
        do_extras_package=false
        do_tools=false
        no_dumpfile=1
        do_zfs=false
        skipabi=true
        skipmodule=true
        skipretpoline=true
endif

んで `` fakeroot debian/rules do_mainline_build=true binary-headers binary-generic binary-perarc

通る


      ln -sf /home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/linux-modules-4.15.0-34-generic/lib/modules/4.15.0-34-generic/kernel/drivers/video/vesafb.ko \
            /home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/linux-modules-4.15.0-34-generic/lib/modules/4.15.0-34-generic/initrd/; \
    fi

echo "interest linux-update-4.15.0-34-generic" >"debian/linux-image-unsigned-4.15.0-34-generic.triggers"

Install the full changelog.

install -d /home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/linux-modules-4.15.0-34-generic/usr/share/doc/linux-image-unsigned-4.15.0-34-generic cat debian.master/changelog debian.master/changelog.historical |
gzip -9 >/home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/linux-modules-4.15.0-34-generic/usr/share/doc/linux-image-unsigned-4.15.0-34-generic/changelog.Debian.old.gz cat: debian.master/changelog.historical: No such file or directory chmod 644 /home/osamu.matsumoto/rebuild-kernel/ubuntu-bionic/debian/linux-modules-4.15.0-34-generic/usr/share/doc/linux-image-unsigned-4.15.0-34-generic/changelog.Debian.old.gz for sub in ; do
if ! (TO=$sub FROM=generic ABI_RELEASE=4.15.0-34 /bin/bash -e
debian/scripts/sub-flavour); then exit 1; fi;
/sbin/depmod -b debian/linux-image-unsigned-4.15.0-34-$sub
-ea -F debian/linux-image-unsigned-4.15.0-34-$sub/boot/System.map-4.15.0-34-generic
4.15.0-34-generic;
;
done /bin/bash: -c: line 6: syntax error near unexpected token `;' make: *** [install-generic] Error 2

シェルスクリプトまちがっとる?  `For sub in `が間違ってそう、そこの変数が展開されてない。
よくわからんけども、スキップ！
debian/rules.d/2-binary-arch.mk 

``
fakeroot debian/rules  skipsub=true do_mainline_build=true  binary-headers binary-generic binary-perarch
``
debできたので、インストール。　

あがってこない。kernel panic。。vfsマウントのところで。sdaが見えてない。
gcpのvirt環境で動くためのdisk device driverが足らんのかな。
gcp config意識しなすぎたので、やり直し



https://launchpad.net/ubuntu/+source/linux-gcp




= 参考
* https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel
* https://wiki.ubuntu.com/Kernel/Dev/KernelGitGuide
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