[[PageOutline]] = 09/14 = * Ubuntu　10.04 (x86)へVanilla Kernel 2.6.35の導入 * VMゲストは、http://www.quotrader.org/vm/ubuntu1004t/ を使用 == download kernel source and build == * windell57:linux s0711489$ wget https://github.com/torvalds/linux/tarball/v2.6.35 -O torvalds-linux-v2.6.35-0-g9fe6206.tar.gz --no-check-certificate * windell57:linux s0711489$ tar xzfv torvalds-linux-v2.6.35-0-g9fe6206.tar.gz * windell57:linux s0711489$ cd torvalds-linux-d786bf1/ * windell57:torvalds-linux-d786bf1 s0711489$ export INSTALL_PATH=/home/ugrad/07/s0711489/build/boot/ * windell57:torvalds-linux-d786bf1 s0711489$ export INSTALL_MOD_PATH=/home/ugrad/07/s0711489/build/ * windell57:torvalds-linux-d786bf1 s0711489$ make defconfig * windell57:torvalds-linux-d786bf1 s0711489$ make menuconfig * 記録忘れ * 覚えている限りだと、 * Networking support からIPv6とWirelessなどの削除 * Device Drivers へdevtmpfsとSCSI low-level driversのBusLogic SCSI supportの導入 * File systems からNetwork File Systemsの削除 * Kernel hacking へCompile the kernel with debug infoの導入 * Virtualizationの削除 * windell57:torvalds-linux-d786bf1 s0711489$ make -j2 * windell57:torvalds-linux-d786bf1 s0711489$ make modules * windell57:torvalds-linux-d786bf1 s0711489$ make install {{{ sh /tmp/linux/torvalds-linux-d786bf1/arch/x86/boot/install.sh 2.6.35 arch/x86/boot/bzImage \ System.map "/home/ugrad/07/s0711489/build/boot/" ln: `/home/ugrad/07/s0711489/build/boot///home/ugrad/07/s0711489/build/boot//System.map-2.6.35' へのシンボリックリンク `/boot/System.map' を作成します: 許可がありません ln: `/home/ugrad/07/s0711489/build/boot///home/ugrad/07/s0711489/build/boot//vmlinuz-2.6.35' へのシンボリックリンク `/boot/vmlinuz' を作成します: 許可がありません ln: `/home/ugrad/07/s0711489/build/boot///home/ugrad/07/s0711489/build/boot//System.map-2.6.35' へのシンボリックリンク `/boot/System.map' を作成します: 許可がありません }}} * どうやら環境変数を指定してのmake installは古いやり方らしく(?)、一部エラーとなる * windell57:torvalds-linux-d786bf1 s0711489$ make modules_install {{{ INSTALL arch/x86/kernel/test_nx.ko INSTALL drivers/scsi/scsi_wait_scan.ko INSTALL lib/crc16.ko INSTALL net/netfilter/xt_mark.ko DEPMOD 2.6.35 }}} == packaging kernel == * ~/build にコピーされた物をとりあえずtarballにし、ゲストOSにscpする * windell57:build s0711489$ tar czf kernel-2.6.35.tar.gz * * windell57:build s0711489$ scp kernel-2.6.35.tar.gz user@172.16.237.130:~ {{{ user@172.16.237.130's password: kernel-2.6.35.tar.gz 100% 8326KB 8.1MB/s 00:00 }}} == install kernel == * user@ubuntu:~$ sudo cp kernel-2.6.35.tar.gz / * user@ubuntu:/$ sudo tar xzf kernel-2.6.35.tar.gz * user@ubuntu:/$ sudo mkinitramfs -o /boot/initrd.img-2.6.35 2.6.35 * user@ubuntu:/$ sudo vim /etc/default/grub {{{ # GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=false }}} * user@ubuntu:/$ sudo update-grub {{{ Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.35 Found initrd image: /boot/initrd.img-2.6.35 Found linux image: /boot/vmlinuz-2.6.35.old Found initrd image: /boot/initrd.img-2.6.35 Found linux image: /boot/vmlinuz-2.6.32-33-generic Found initrd image: /boot/initrd.img-2.6.32-33-generic Found memtest86+ image: /boot/memtest86+.bin done }}} == 結論 == * 起動には成功 * NICのドライバ(PCnet32)を設定し忘れたため、ゲスト側でNICが使えずはまる(気づかずにこの日を終える) * gdbを使ったリモートデバッグの動作確認もOK * windell57:torvalds-linux-d786bf1 s0711489$ gdb {{{ (gdb) file vmlinux Reading symbols from /tmp/linux/torvalds-linux-d786bf1/vmlinux...(no debugging symbols found)...done. (gdb) target remote localhost:8832 Remote debugging using localhost:8832 0xc1007c23 in native_safe_halt () at /tmp/linux/torvalds-linux-d786bf1/arch/x86/include/asm/irqflags.h:49 49 asm volatile("sti; hlt": : :"memory"); (gdb) n default_idle () at arch/x86/kernel/process.c:386 386 current_thread_info()->status |= TS_POLLING; (gdb) 392 } (gdb) cpu_idle () at arch/x86/kernel/process_32.c:101 101 while (!need_resched()) { (gdb) 115 tick_nohz_restart_sched_tick(); (gdb) 117 schedule(); (gdb) 100 tick_nohz_stop_sched_tick(1); (gdb) 101 while (!need_resched()) { (gdb) 115 tick_nohz_restart_sched_tick(); (gdb) 117 schedule(); (gdb) 100 tick_nohz_stop_sched_tick(1); (gdb) detach Ending remote debugging. (gdb) quit }}} = 09/15 = * 方針 * ゲスト上でビルドすると遅いので、ホスト上でビルドしたソースツリーをVMwareのHGFSを使ってゲスト上にマウントし、そこからsudo make installする == build kernel on Guest == * 比較対象として、同時並行でゲスト上でビルド＆インストールも行ってみた * mitty@ubuntu-lucid:~$ sudo aptitude update * mitty@ubuntu-lucid:~$ sudo aptitude install build-essential kernel-package libncurses-dev {{{ Note: selecting "libncurses5-dev" instead of the virtual package "libncurses-dev" The following NEW packages will be installed: binutils{a} build-essential cvs{a} dpkg-dev{a} fakeroot{a} g++{a} g++-4.4{a} gcc{a} gcc-4.4{a} gettext{a} intltool-debian{a} kernel-package libc-dev-bin{a} libc6-dev{a} libcroco3{a} libfile-copy-recursive-perl{a} libgomp1{a} liblzma1{a} libmail-sendmail-perl{a} libncurses5-dev libstdc++6-4.4-dev{a} libsys-hostname-long-perl{a} linux-libc-dev{a} manpages-dev{a} patch{a} po-debconf{a} update-inetd{a} xz-utils{a} 0 packages upgraded, 28 newly installed, 0 to remove and 0 not upgraded. Need to get 25.7MB of archives. After unpacking 88.4MB will be used. }}} * mitty@ubuntu-lucid:~$ wget https://github.com/mirrors/linux/tarball/v2.6.35 -O mirrors-linux-v2.6.35-0-g9fe6206.tar.gz * mitty@ubuntu-lucid:~/kernel$ tar xzfv mirrors-linux-v2.6.35-0-g9fe6206.tar.gz * mitty@ubuntu-lucid:~/kernel/mirrors-linux-d786bf1$ make defconfig * mitty@ubuntu-lucid:~/kernel/mirrors-linux-d786bf1$ make menuconfig * 設定内容については後述 * mitty@ubuntu-lucid:~/kernel/mirrors-linux-d786bf1$ make * mitty@ubuntu-lucid:~/kernel/mirrors-linux-d786bf1$ make modules * mitty@ubuntu-lucid:~/kernel/mirrors-linux-d786bf1$ sudo make install * mitty@ubuntu-lucid:~/kernel/mirrors-linux-d786bf1$ sudo make modules_install * mitty@ubuntu-lucid:~/kernel/mirrors-linux-d786bf1$ sudo mkinitramfs -o /boot/initrd.img-2.6.35 2.6.35 * mitty@ubuntu-lucid:~/kernel/mirrors-linux-d786bf1$ sudo update-grub * mitty@ubuntu-lucid:~$ sudo reboot * mitty@ubuntu-lucid:~$ uname -a {{{ Linux ubuntu-lucid 2.6.35 #3 SMP Fri Sep 16 15:01:05 JST 2011 i686 GNU/Linux }}} * ビルド成功 * ただ、ホスト側にはソースツリーが無いので、このままではリモートデバッグ出来ない == build kernel on Host == === install packages to Guest === * s0711489@ubuntu-lucid:~$ sudo aptitude update * s0711489@ubuntu-lucid:~$ sudo aptitude install build-essential kernel-package libncurses-dev {{{ Note: selecting "libncurses5-dev" instead of the virtual package "libncurses-dev" The following NEW packages will be installed: binutils{a} build-essential cvs{a} dpkg-dev{a} fakeroot{a} g++{a} g++-4.4{a} gcc{a} gcc-4.4{a} gettext{a} intltool-debian{a} kernel-package libc-dev-bin{a} libc6-dev{a} libcroco3{a} libfile-copy-recursive-perl{a} libgomp1{a} liblzma1{a} libmail-sendmail-perl{a} libncurses5-dev libstdc++6-4.4-dev{a} libsys-hostname-long-perl{a} linux-libc-dev{a} manpages-dev{a} patch{a} po-debconf{a} update-inetd{a} xz-utils{a} 0 packages upgraded, 28 newly installed, 0 to remove and 0 not upgraded. Need to get 25.7MB of archives. After unpacking 88.4MB will be used. }}} === install VMware Tools === * s0711489@ubuntu-lucid:~$ sudo mount /dev/cdrom /media/ * s0711489@ubuntu-lucid:~$ tar xzf /media/VMwareTools-8.4.6-385536.tar.gz * s0711489@ubuntu-lucid:~/vmware-tools-distrib$ sudo ./vmware-install.pl --default === download kernel source and build === * windell57:linux-v2.6.35 s0711489$ wget https://github.com/mirrors/linux/tarball/v2.6.35 -O mirrors-linux-v2.6.35-0-g9fe6206.tar.gz --no-check-certificate * windell57:linux-v2.6.35 s0711489$ tar xzfv mirrors-linux-v2.6.35-0-g9fe6206.tar.gz * windell57:mirrors-linux-d786bf1 s0711489$ make defconfig * windell57:mirrors-linux-d786bf1 s0711489$ make menuconfig {{{ │ │ [*] Networking support ---> │ │ │ │ Networking options ---> │ │ │ │ < > The IPv6 protocol ---> │ │ │ │ [ ] Amateur Radio support ---> │ │ │ │ -*- Wireless ---> │ │ │ │ < > cfg80211 - wireless configuration API │ │ │ │ < > RF switch subsystem support ---> │ │ │ │ Device Drivers ---> │ │ │ │ Generic Driver Options ---> │ │ │ │ [*] Maintain a devtmpfs filesystem to mount at /dev │ │ │ │ [*] Automount devtmpfs at /dev, after the kernel mounted the rootfs │ │ │ │ SCSI device support ---> │ │ │ │ [*] SCSI low-level drivers ---> │ │ │ │ <*> BusLogic SCSI support │ │ │ │ [*] Network device support ---> │ │ │ │ [*] Ethernet (10 or 100Mbit) ---> │ │ │ │ <*> AMD PCnet32 PCI support │ │ │ │ File systems ---> │ │ │ │ <*> The Extended 4 (ext4) filesystem │ │ │ │ [ ] Network File Systems ---> │ │ │ │ Kernel hacking ---> │ │ │ │ [*] Compile the kernel with debug info │ │ │ │ [ ] Virtualization ---> │ │ }}} * windell57:mirrors-linux-d786bf1 s0711489$ make -j2 * windell57:mirrors-linux-d786bf1 s0711489$ make modules === make install on Guest === * s0711489@ubuntu-lucid:~$ cd /mnt/hgfs/linux-v2.6.35/mirrors-linux-d786bf1/ * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.35/mirrors-linux-d786bf1$ sudo make install {{{ sh /mnt/hgfs/linux-v2.6.35/mirrors-linux-d786bf1/arch/x86/boot/install.sh 2.6.35 arch/x86/boot/bzImage \ System.map "/boot" }}} * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.35/mirrors-linux-d786bf1$ sudo make modules_install {{{ INSTALL arch/x86/kernel/test_nx.ko INSTALL drivers/scsi/scsi_wait_scan.ko INSTALL fs/ext4/ext4.ko INSTALL fs/jbd2/jbd2.ko INSTALL lib/crc16.ko INSTALL net/netfilter/xt_mark.ko DEPMOD 2.6.35 }}} * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.35/mirrors-linux-d786bf1$ sudo mkinitramfs -o /boot/initrd.img-2.6.35 2.6.35 * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.35/mirrors-linux-d786bf1$ sudo update-grub {{{ Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.35 Found initrd image: /boot/initrd.img-2.6.35 Found linux image: /boot/vmlinuz-2.6.35.old Found initrd image: /boot/initrd.img-2.6.35 Found linux image: /boot/vmlinuz-2.6.32-33-generic Found initrd image: /boot/initrd.img-2.6.32-33-generic Found memtest86+ image: /boot/memtest86+.bin done }}} === reboot === * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.35/mirrors-linux-d786bf1$ uname -a {{{ Linux ubuntu-lucid 2.6.32-33-generic #72-Ubuntu SMP Fri Jul 29 21:08:37 UTC 2011 i686 GNU/Linux }}} * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.35/mirrors-linux-d786bf1$ sudo reboot * 起動しない[[br]][[Image(WS001485.png,33%)]] * 注: 後日同じ(と思われる)手順で繰り返したところ、再現せず問題なく起動した === retry with 2.6.32 === * windell57:linux-v2.6.32 s0711489$ wget https://github.com/mirrors/linux/tarball/v2.6.32 -O mirrors-linux-v2.6.32-0-g22763c5.tar.gz --no-check-certificate * windell57:mirrors-linux-459b3d5 s0711489$ make defconfig * windell57:mirrors-linux-459b3d5 s0711489$ make menuconfig * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.32/mirrors-linux-459b3d5$ sudo make install {{{ sh /mnt/hgfs/linux-v2.6.32/mirrors-linux-459b3d5/arch/x86/boot/install.sh 2.6.32 arch/x86/boot/bzImage \ System.map "/boot" }}} * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.32/mirrors-linux-459b3d5$ sudo make modules_install {{{ INSTALL arch/x86/kernel/test_nx.ko INSTALL drivers/scsi/scsi_wait_scan.ko DEPMOD 2.6.32 }}} * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.32/mirrors-linux-459b3d5$ sudo mkinitramfs -o /boot/initrd.img-2.6.32 2.6.32 * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.32/mirrors-linux-459b3d5$ sudo update-grub {{{ Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.35 Found initrd image: /boot/initrd.img-2.6.35 Found linux image: /boot/vmlinuz-2.6.35.old Found initrd image: /boot/initrd.img-2.6.35 Found linux image: /boot/vmlinuz-2.6.32-33-generic Found initrd image: /boot/initrd.img-2.6.32-33-generic Found linux image: /boot/vmlinuz-2.6.32 Found initrd image: /boot/initrd.img-2.6.32 Found memtest86+ image: /boot/memtest86+.bin done }}} * s0711489@ubuntu-lucid:~$ uname -a {{{ Linux ubuntu-lucid 2.6.32-33-generic #72-Ubuntu SMP Fri Jul 29 21:08:37 UTC 2011 i686 GNU/Linux }}} * s0711489@ubuntu-lucid:/mnt/hgfs/linux-v2.6.32/mirrors-linux-459b3d5$ sudo reboot * s0711489@ubuntu-lucid:~$ uname -a {{{ Linux ubuntu-lucid 2.6.32 #1 SMP Fri Sep 16 15:49:51 JST 2011 i686 GNU/Linux }}} * 今度は起動成功 == 結論 == * 2.6.35で何故失敗したかは不明(再現しなかった) * makeにかかる時間が長すぎるので、violaを使ってビルドする方法を探る