[[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 = 09/17 = * 高速なviolaを用いてビルドする * Xeon X5570 * 2, 12GB memory == remake Ubuntu Guest == * 何度もkernelの導入を試してごちゃごちゃしてきてしまったので、一度再インストールしてVMのスナップショットを取っておく * s0711489@ubuntu-lucid:~$ sudo aptitude install -R vim screen subversion * s0711489@ubuntu-lucid:~$ sudo update-alternatives --config editor * s0711489@ubuntu-lucid:~$ sudo visudo * s0711489@ubuntu-lucid:~$ sudo aptitude install build-essential kernel-package libncurses-dev * 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 == build kernel on viola == * viola06:linux s0711489$ sha1sum -b mirrors-linux-v2.6.32-0-g22763c5.tar.gz {{{ 61a48874ea6e0887e0bd89505b80d590a63175c4 *mirrors-linux-v2.6.32-0-g22763c5.tar.gz }}} * viola06:mirrors-linux-459b3d5 s0711489$ make defconfig * viola06:mirrors-linux-459b3d5 s0711489$ make menuconfig * 前回と同じ * viola06:mirrors-linux-459b3d5 s0711489$ make -j 16 * viola06:mirrors-linux-459b3d5 s0711489$ make modules == make install on Guest == * s0711489@ubuntu-lucid:/mnt/hgfs/mirrors-linux-459b3d5$ sudo make install {{{ HOSTCC scripts/basic/fixdep HOSTCC scripts/basic/docproc HOSTCC scripts/basic/hash HOSTCC scripts/kconfig/conf.o scripts/kconfig/conf.c: In function ‘conf_askvalue’: scripts/kconfig/conf.c:105: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result scripts/kconfig/conf.c: In function ‘conf_choice’: scripts/kconfig/conf.c:307: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result HOSTCC scripts/kconfig/kxgettext.o HOSTCC scripts/kconfig/zconf.tab.o HOSTLD scripts/kconfig/conf scripts/kconfig/conf -s arch/x86/Kconfig * * Restart config... * * * RCU Subsystem * RCU Implementation > 1. Tree-based hierarchical RCU (TREE_RCU) choice[1]: 1 Enable tracing for RCU (RCU_TRACE) [N/y/?] n Tree-based hierarchical RCU fanout value (RCU_FANOUT) [32] (NEW) }}} * うまくいかない * violaはwindellと違い、x86_64版のCentOSだったため、そのままビルドすると64bitカーネルになっていた * ゲスト上でmake menuconfig & makeし直すと起動する[[br]][[Image(WS001486.png,33%)]] == setup x64 version of Ubuntu == * s0711489@ubuntu-lucid64:~$ sudo aptitude install -R vim screen subversion * s0711489@ubuntu-lucid64:~$ sudo update-alternatives --config editor * s0711489@ubuntu-lucid64:~$ sudo visudo * s0711489@ubuntu-lucid64:~$ sudo aptitude install build-essential kernel-package libncurses-dev * s0711489@ubuntu-lucid64:~$ sudo mount /dev/cdrom /media * s0711489@ubuntu-lucid64:~$ tar xzf /media/VMwareTools-8.4.6-385536.tar.gz * s0711489@ubuntu-lucid64:~/vmware-tools-distrib$ sudo ./vmware-install.pl --default * s0711489@ubuntu-lucid64:/mnt/hgfs/mirrors-linux-459b3d5$ sudo make install {{{ sh /mnt/hgfs/mirrors-linux-459b3d5/arch/x86/boot/install.sh 2.6.32 arch/x86/boot/bzImage \ System.map "/boot" }}} * s0711489@ubuntu-lucid64:/mnt/hgfs/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-lucid64:/mnt/hgfs/mirrors-linux-459b3d5$ sudo mkinitramfs -o /boot/initrd.img-2.6.32 2.6.32 * s0711489@ubuntu-lucid64:/mnt/hgfs/mirrors-linux-459b3d5$ sudo vim /etc/default/grub {{{ #GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=false }}} * s0711489@ubuntu-lucid64:/mnt/hgfs/mirrors-linux-459b3d5$ sudo update-grub {{{ Generating grub.cfg ... 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-lucid64:~$ uname -a {{{ Linux ubuntu-lucid64 2.6.32-33-generic #72-Ubuntu SMP Fri Jul 29 21:07:13 UTC 2011 x86_64 GNU/Linux }}} * s0711489@ubuntu-lucid64:~$ sudo reboot * 起動しない[[br]][[Image(WS001488.png,33%)]] === install Fusion-MPT SCSI device === * 64bitゲストではBusLogicが使用出来ないため、VM作成時デフォルトではLSI Logicとなるが、具体的には以下のデバイスにHDDが接続されている形となる * s0711489@ubuntu-lucid64:~$ lspci {{{ 00:10.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI (rev 01) }}} * see http://www.linuxforums.org/forum/kernel/169338-linux-kernel-compilation-help.html#post804372 > This is your SCSI controller for the harddrive. VMWare actually doesn't use SATA by default. To use this you need to enable CONFIG_FUSION_SPI > * Code: > {{{ > Device Drivers ---> > {*} Fusion MPT device support ---> > <*> Fusion MPT ScsiHost drivers for SPI (NEW) > }}} * 以下のドライバを新たに導入する(ついでにBuslogicのドライバは削除しておく) * viola06:mirrors-linux-459b3d5 s0711489$ make menuconfig {{{ │ │ Device Drivers ---> │ │ │ │ SCSI device support ---> │ │ │ │ [ ] SCSI low-level drivers ---> │ │ │ │ [*] Fusion MPT device support ---> │ │ │ │ <*> Fusion MPT ScsiHost drivers for SPI │ │ }}} * s0711489@ubuntu-lucid64:~$ sudo reboot * s0711489@ubuntu-lucid64:~$ uname -a {{{ Linux ubuntu-lucid64 2.6.32 #3 SMP Sat Sep 17 14:16:07 JST 2011 x86_64 GNU/Linux }}} * ビルド成功[[br]][[Image(WS001489.png,33%)]] = 09/25 = == a whole build with Vanilla Kernel 2.6.35 == * x86_64はviola、i386はwindellでビルド == check signature of kernel source == * [http://backslash.ddo.jp/wordpress/archives/759 ubuntu-10.04.1-server を grsecurity のパッチを当てたカーネルで再構築する | guro_chanの日記] * [http://web.archive.org/web/20100923151551/http://kernel.org/signature.html The Linux Kernel Archives PGP Signature] * mitty@ubuntu64:~$ gpg --keyserver wwwkeys.pgp.net --recv-keys 0x517D0F0E {{{ gpg: requesting key 517D0F0E from hkp server wwwkeys.pgp.net gpg: /home/mitty/.gnupg/trustdb.gpg: trustdb created gpg: key 517D0F0E: public key "Linux Kernel Archives Verification Key " imported gpg: no ultimately trusted keys found gpg: Total number processed: 1 gpg: imported: 1 }}} * mitty@ubuntu64:~/vendor/KernelHack$ wget http://ftp.jaist.ac.jp/pub/Linux/kernel.org/linux/kernel/v2.6/longterm/v2.6.35/linux-2.6.35.14.tar.gz * mitty@ubuntu64:~/vendor/KernelHack$ wget http://ftp.jaist.ac.jp/pub/Linux/kernel.org/linux/kernel/v2.6/longterm/v2.6.35/linux-2.6.35.14.tar.gz.sign * mitty@ubuntu64:~/vendor/KernelHack$ gpg --verify linux-2.6.35.14.tar.gz.sign linux-2.6.35.14.tar.gz {{{ gpg: Signature made Tue 02 Aug 2011 06:36:48 AM JST using DSA key ID 517D0F0E gpg: Good signature from "Linux Kernel Archives Verification Key " gpg: WARNING: This key is not certified with a trusted signature! gpg: There is no indication that the signature belongs to the owner. Primary key fingerprint: C75D C40A 11D7 AF88 9981 ED5B C86B A06A 517D 0F0E }}} == extract source tarball == * viola05:KernelHack s0711489$ tar xzf linux-2.6.35.14.tar.gz * viola05:KernelHack s0711489$ mv linux-2.6.35.14/ x86_64 * viola05:KernelHack s0711489$ tar xzf linux-2.6.35.14.tar.gz * viola05:KernelHack s0711489$ mv linux-2.6.35.14/ i386 * viola05:KernelHack s0711489$ mkdir linux-2.6.35.14 * viola05:KernelHack s0711489$ mv x86_64 i386 linux-2.6.35.14/ == make defconfig == * windell57:i386 s0711489$ make defconfig {{{ HOSTCC scripts/basic/fixdep HOSTCC scripts/basic/docproc HOSTCC scripts/basic/hash HOSTCC scripts/kconfig/conf.o HOSTCC scripts/kconfig/kxgettext.o SHIPPED scripts/kconfig/zconf.tab.c SHIPPED scripts/kconfig/lex.zconf.c SHIPPED scripts/kconfig/zconf.hash.c HOSTCC scripts/kconfig/zconf.tab.o HOSTLD scripts/kconfig/conf *** Default configuration is based on 'i386_defconfig' # # configuration written to .config # }}} * viola05:x86_64 s0711489$ make defconfig {{{ HOSTCC scripts/basic/fixdep HOSTCC scripts/basic/docproc HOSTCC scripts/basic/hash HOSTCC scripts/kconfig/conf.o HOSTCC scripts/kconfig/kxgettext.o SHIPPED scripts/kconfig/zconf.tab.c SHIPPED scripts/kconfig/lex.zconf.c SHIPPED scripts/kconfig/zconf.hash.c HOSTCC scripts/kconfig/zconf.tab.o HOSTLD scripts/kconfig/conf *** Default configuration is based on 'x86_64_defconfig' # # configuration written to .config # }}} == make menuconfig == === x86_64 === * viola05:x86_64 s0711489$ make menuconfig {{{ HOSTCC scripts/kconfig/lxdialog/checklist.o HOSTCC scripts/kconfig/lxdialog/inputbox.o HOSTCC scripts/kconfig/lxdialog/menubox.o HOSTCC scripts/kconfig/lxdialog/textbox.o HOSTCC scripts/kconfig/lxdialog/util.o HOSTCC scripts/kconfig/lxdialog/yesno.o HOSTCC scripts/kconfig/mconf.o HOSTLD scripts/kconfig/mconf scripts/kconfig/mconf arch/x86/Kconfig }}} {{{ .config - Linux Kernel v2.6.35.14 Configuration │ │ [*] 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 │ │ │ │ [ ] Multiple devices driver support (RAID and LVM) ---> │ │ │ │ [*] Fusion MPT device support ---> │ │ │ │ <*> Fusion MPT ScsiHost drivers for SPI │ │ │ │ [ ] Macintosh device drivers ---> │ │ │ │ [*] Network device support ---> │ │ │ │ [*] Ethernet (10 or 100Mbit) ---> │ │ │ │ <*> AMD PCnet32 PCI support │ │ │ │ [ ] Ethernet (1000 Mbit) ---> │ │ │ │ [ ] Ethernet (10000 Mbit) ---> │ │ │ │ < > Token Ring driver support ---> │ │ │ │ [ ] Wireless LAN ---> │ │ │ │ [ ] PCMCIA network device support ---> │ │ │ │ < > FDDI driver support │ │ │ │ < > Sound card support ---> │ │ │ │ [ ] HID Devices ---> │ │ │ │ [ ] USB support ---> │ │ │ │ File systems ---> │ │ │ │ <*> The Extended 4 (ext4) filesystem │ │ │ │ [ ] Network File Systems ---> │ │ │ │ Kernel hacking ---> │ │ │ │ [*] Compile the kernel with debug info │ │ │ │ Security options ---> │ │ │ │ [ ] NSA SELinux Support │ │ │ │ [ ] Virtualization ---> │ │ }}} === i386 === * windell57:i386 s0711489$ make menuconfig {{{ HOSTCC scripts/kconfig/lxdialog/checklist.o HOSTCC scripts/kconfig/lxdialog/inputbox.o HOSTCC scripts/kconfig/lxdialog/menubox.o HOSTCC scripts/kconfig/lxdialog/textbox.o HOSTCC scripts/kconfig/lxdialog/util.o HOSTCC scripts/kconfig/lxdialog/yesno.o HOSTCC scripts/kconfig/mconf.o HOSTLD scripts/kconfig/mconf scripts/kconfig/mconf arch/x86/Kconfig }}} {{{ .config - Linux Kernel v2.6.35.14 Configuration │ │ [*] 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 │ │ │ │ [ ] Multiple devices driver support (RAID and LVM) ---> │ │ │ │ [ ] Macintosh device drivers ---> │ │ │ │ [*] Network device support ---> │ │ │ │ [*] Ethernet (10 or 100Mbit) ---> │ │ │ │ <*> AMD PCnet32 PCI support │ │ │ │ [ ] Ethernet (1000 Mbit) ---> │ │ │ │ [ ] Ethernet (10000 Mbit) ---> │ │ │ │ < > Token Ring driver support ---> │ │ │ │ [ ] Wireless LAN ---> │ │ │ │ [ ] PCMCIA network device support ---> │ │ │ │ < > FDDI driver support │ │ │ │ < > Sound card support ---> │ │ │ │ [ ] HID Devices ---> │ │ │ │ [ ] USB support ---> │ │ │ │ File systems ---> │ │ │ │ <*> The Extended 4 (ext4) filesystem │ │ │ │ [ ] Network File Systems ---> │ │ │ │ Kernel hacking ---> │ │ │ │ [*] Compile the kernel with debug info │ │ │ │ Security options ---> │ │ │ │ [ ] NSA SELinux Support │ │ │ │ [ ] Virtualization ---> │ │ }}} == make and make install to guest == === i386 === ==== make ==== * windell57:i386 s0711489$ make -j2 * windell57:i386 s0711489$ make modules ==== change grub settings to display OS entries ==== * s0711489@ubuntu-lucid:~$ sudo vim /etc/default/grub {{{#!diff --- /etc/default/grub.20110925 2011-09-17 20:23:00.000000000 +0900 +++ /etc/default/grub 2011-09-25 20:12:22.000000000 +0900 @@ -2,8 +2,8 @@ # /boot/grub/grub.cfg. GRUB_DEFAULT=0 -GRUB_HIDDEN_TIMEOUT=0 -GRUB_HIDDEN_TIMEOUT_QUIET=true +#GRUB_HIDDEN_TIMEOUT=0 +GRUB_HIDDEN_TIMEOUT_QUIET=false GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="splash quiet" }}} ==== make install ==== * s0711489@ubuntu-lucid:/mnt/hgfs/linux-2.6.35.14$ sudo make install {{{ sh /mnt/hgfs/linux-2.6.35.14/arch/x86/boot/install.sh 2.6.35.14 arch/x86/boot/bzImage \ System.map "/boot" }}} * s0711489@ubuntu-lucid:/mnt/hgfs/linux-2.6.35.14$ sudo make modules_install {{{ INSTALL arch/x86/kernel/test_nx.ko INSTALL drivers/scsi/scsi_wait_scan.ko INSTALL net/netfilter/xt_mark.ko DEPMOD 2.6.35.14 }}} * s0711489@ubuntu-lucid:~$ sudo mkinitramfs -o /boot/initrd.img-2.6.35.14 2.6.35.14 * s0711489@ubuntu-lucid:~$ sudo update-grub {{{ Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.35.14 Found initrd image: /boot/initrd.img-2.6.35.14 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:~$ sudo reboot * s0711489@ubuntu-lucid:~$ uname -a {{{ Linux ubuntu-lucid 2.6.35.14 #1 SMP Sun Sep 25 20:00:16 JST 2011 i686 GNU/Linux }}} === x86_64 === ==== make ==== * viola05:x86_64 s0711489$ make -j16 * viola05:x86_64 s0711489$ make modules ==== change grub settings to display OS entries ==== * s0711489@ubuntu-lucid64:~$ sudo vim /etc/default/grub {{{#!diff --- /etc/default/grub.20110925 2011-09-17 21:47:02.000000000 +0900 +++ /etc/default/grub 2011-09-25 20:54:15.000000000 +0900 @@ -2,8 +2,8 @@ # /boot/grub/grub.cfg. GRUB_DEFAULT=0 -GRUB_HIDDEN_TIMEOUT=0 -GRUB_HIDDEN_TIMEOUT_QUIET=true +#GRUB_HIDDEN_TIMEOUT=0 +GRUB_HIDDEN_TIMEOUT_QUIET=false GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="splash quiet" }}} ==== make install ==== * s0711489@ubuntu-lucid64:/mnt/hgfs/linux-2.6.35.14$ sudo make install {{{ sh /mnt/hgfs/linux-2.6.35.14/arch/x86/boot/install.sh 2.6.35.14 arch/x86/boot/bzImage \ System.map "/boot" }}} * s0711489@ubuntu-lucid64:/mnt/hgfs/linux-2.6.35.14$ sudo make modules_install {{{ INSTALL arch/x86/kernel/test_nx.ko INSTALL drivers/scsi/scsi_wait_scan.ko INSTALL net/netfilter/xt_mark.ko DEPMOD 2.6.35.14 }}} * s0711489@ubuntu-lucid64:~$ sudo mkinitramfs -o /boot/initrd.img-2.6.35.14 2.6.35.14 * s0711489@ubuntu-lucid64:~$ sudo update-grub {{{ Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.35.14 Found initrd image: /boot/initrd.img-2.6.35.14 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-lucid64:~$ sudo reboot * windell57:~ s0711489$ ssh 172.16.237.132 {{{ ssh: connect to host 172.16.237.132 port 22: No route to host }}} ==== add e1000 driver ==== * 64bitゲストだとPCnet32の代わりにIntel Pro/1000が用意される * s0711489@ubuntu-lucid64:~$ lspci {{{ 02:00.0 Ethernet controller: Intel Corporation 82545EM Gigabit Ethernet Controller (Copper) (rev 01) }}} * viola05:x86_64 s0711489$ make menuconfig {{{ .config - Linux Kernel v2.6.35.14 Configuration │ │ Device Drivers ---> │ │ │ │ [*] Network device support ---> │ │ │ │ [*] Ethernet (1000 Mbit) ---> │ │ │ │ <*> Intel(R) PRO/1000 Gigabit Ethernet support │ │ }}} * viola05:x86_64 s0711489$ make -j16 * viola05:x86_64 s0711489$ make modules * s0711489@ubuntu-lucid64:/mnt/hgfs/linux-2.6.35.14$ sudo make install {{{ sh /mnt/hgfs/linux-2.6.35.14/arch/x86/boot/install.sh 2.6.35.14 arch/x86/boot/bzImage \ System.map "/boot" }}} * s0711489@ubuntu-lucid64:/mnt/hgfs/linux-2.6.35.14$ sudo make modules_install {{{ INSTALL arch/x86/kernel/test_nx.ko INSTALL drivers/scsi/scsi_wait_scan.ko INSTALL net/netfilter/xt_mark.ko DEPMOD 2.6.35.14 }}} * s0711489@ubuntu-lucid64:~$ sudo mkinitramfs -o /boot/initrd.img-2.6.35.14 2.6.35.14 * s0711489@ubuntu-lucid64:~$ sudo update-grub {{{ Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.35.14 Found initrd image: /boot/initrd.img-2.6.35.14 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 }}} * s0711489@ubuntu-lucid64:~$ sudo reboot * s0711489@ubuntu-lucid64:~$ uname -a {{{ Linux ubuntu-lucid64 2.6.35.14 #2 SMP Sun Sep 25 21:20:21 JST 2011 x86_64 GNU/Linux }}} ==== remove PCnet32 driver ==== * viola05:x86_64 s0711489$ make menuconfig {{{ .config - Linux Kernel v2.6.35.14 Configuration │ │ Device Drivers ---> │ │ │ │ [*] Network device support ---> │ │ │ │ [*] Ethernet (10 or 100Mbit) ---> │ │ │ │ < > AMD PCnet32 PCI support │ │ }}} * viola05:x86_64 s0711489$ make -j16 * viola05:x86_64 s0711489$ make modules * (略) * s0711489@ubuntu-lucid64:~$ sudo reboot * s0711489@ubuntu-lucid64:~$ uname -a {{{ Linux ubuntu-lucid64 2.6.35.14 #3 SMP Sun Sep 25 21:32:17 JST 2011 x86_64 GNU/Linux }}} == set remote debug option to VMware config == === i386 === * windell57:~ s0711489$ vim .vmware/ubuntu-lucid/ubuntu-lucid.vmx {{{#!diff --- ubuntu-lucid.vmx 2011-09-25 20:30:40.136675000 +0900 +++ .vmware/ubuntu-lucid/ubuntu-lucid.vmx 2011-09-25 20:31:10.000000000 +0900 @@ -73,3 +73,5 @@ sharedFolder0.hostPath = "/home/ugrad/07/s0711489/coursework/KernelHack/linux-2.6.35.14/i386" sharedFolder0.guestName = "linux-2.6.35.14" sharedFolder0.expiration = "never" +debugStub.listen.guest32 = "TRUE" +debugStub.listen.guest32.remote = "TRUE" }}} * windell57:~ s0711489$ netstat -na | grep 8832 {{{ tcp 0 0 0.0.0.0:8832 0.0.0.0:* LISTEN }}} * debugStub.listen.guest32.remoteが無い場合、localhostにのみbindする * windell57:~ s0711489$ netstat -na | grep 8832 {{{ tcp 0 0 127.0.0.1:8832 0.0.0.0:* LISTEN }}} === x86_64 === * windell57:~ s0711489$ vim .vmware/ubuntu-lucid64/ubuntu-lucid64.vmx {{{#!diff --- ubuntu-lucid64.vmx 2011-09-25 20:59:39.597587000 +0900 +++ .vmware/ubuntu-lucid64/ubuntu-lucid64.vmx 2011-09-25 21:02:19.639899000 +0900 @@ -75,3 +75,5 @@ sharedFolder0.hostPath = "/home/ugrad/07/s0711489/coursework/KernelHack/linux-2.6.35.14/x86_64" sharedFolder0.guestName = "linux-2.6.35.14" sharedFolder0.expiration = "never" +debugStub.listen.guest64 = "TRUE" +debugStub.listen.guest64.remote = "TRUE" }}} * windell57:~ s0711489$ netstat -na | grep 8864 {{{ tcp 0 0 0.0.0.0:8864 0.0.0.0:* LISTEN }}} = 09/28 = * カーネルのビルドごとにゲスト側でインストールコマンドを叩くのが面倒なのでシェルスクリプトにした * install.sh {{{#!sh #! /bin/sh -ex VERSION=`ls -d /mnt/hgfs/linux-* | sed s#.*linux-##` echo Install Linux Kernel version ${VERSION} cd /mnt/hgfs/linux-${VERSION}/ make install make modules_install mkinitramfs -o /boot/initrd.img-${VERSION} ${VERSION} update-grub echo Install Kernel Headers to /lib/modules/${VERSION}/build mv /lib/modules/${VERSION}/build /lib/modules/${VERSION}/build-`date '+%Y%m%d'` cd /mnt/hgfs/ find linux-${VERSION} -type f | egrep -v '.o$' | egrep -v 'vmlinu' | tar c --files-from - | tar x -C /lib/modules/${VERSION}/ mv /lib/modules/${VERSION}/linux-${VERSION} /lib/modules/${VERSION}/build uname -a }}} * s0711489@ubuntu-lucid64:~$ time sudo /mnt/hgfs/tools/install.sh {{{ + sed s#.*linux-## + ls -d /mnt/hgfs/linux-2.6.35.14 + VERSION=2.6.35.14 + echo Install Linux Kernel version 2.6.35.14 Install Linux Kernel version 2.6.35.14 + cd /mnt/hgfs/linux-2.6.35.14/ + make install sh /mnt/hgfs/linux-2.6.35.14/arch/x86/boot/install.sh 2.6.35.14 arch/x86/boot/bzImage \ System.map "/boot" + make modules_install INSTALL arch/x86/kernel/test_nx.ko INSTALL drivers/scsi/scsi_wait_scan.ko INSTALL net/netfilter/xt_mark.ko DEPMOD 2.6.35.14 + mkinitramfs -o /boot/initrd.img-2.6.35.14 2.6.35.14 + update-grub Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.35.14 Found initrd image: /boot/initrd.img-2.6.35.14 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 + echo Install Kernel Headers to /lib/modules/2.6.35.14/build Install Kernel Headers to /lib/modules/2.6.35.14/build + date +%Y%m%d + mv /lib/modules/2.6.35.14/build /lib/modules/2.6.35.14/build-20110928 + cd /mnt/hgfs/ + tar c --files-from - + tar x -C /lib/modules/2.6.35.14/ + egrep -v vmlinu + egrep -v .o$ + find linux-2.6.35.14 -type f + mv /lib/modules/2.6.35.14/linux-2.6.35.14 /lib/modules/2.6.35.14/build + uname -a Linux ubuntu-lucid64 2.6.32-33-generic #72-Ubuntu SMP Fri Jul 29 21:07:13 UTC 2011 x86_64 GNU/Linux real 1m32.138s user 0m13.790s sys 1m26.160s }}} = 09/30 = == install VMware tools to custom kernel == * install.sh {{{#!sh #! /bin/sh -ex VERSION=`cat /mnt/hgfs/linux-*/include/config/kernel.release` echo Install Linux Kernel version ${VERSION} cd /mnt/hgfs/linux-*/ make install make modules_install mkinitramfs -o /boot/initrd.img-${VERSION} ${VERSION} update-grub echo Install Kernel Headers to /lib/modules/${VERSION}/build mv /lib/modules/${VERSION}/build /lib/modules/${VERSION}/build-`date '+%Y%m%d'` cd /mnt/hgfs/ find linux-* -type f | egrep -v '.o$' | egrep -v 'vmlinu' | tar c --files-from - | tar x -C /lib/modules/${VERSION}/ mv /lib/modules/${VERSION}/linux-* /lib/modules/${VERSION}/build uname -a }}} * s0711489@ubuntu-lucid64:~$ sudo /mnt/hgfs/tools/install.sh {{{ + cat /mnt/hgfs/linux-2.6.35.14/include/config/kernel.release + VERSION=2.6.35.14 + echo Install Linux Kernel version 2.6.35.14 Install Linux Kernel version 2.6.35.14 + cd /mnt/hgfs/linux-2.6.35.14/ + make install sh /mnt/hgfs/linux-2.6.35.14/arch/x86/boot/install.sh 2.6.35.14 arch/x86/boot/bzImage \ System.map "/boot" + make modules_install INSTALL arch/x86/kernel/test_nx.ko INSTALL drivers/scsi/scsi_wait_scan.ko INSTALL net/netfilter/xt_mark.ko DEPMOD 2.6.35.14 + mkinitramfs -o /boot/initrd.img-2.6.35.14 2.6.35.14 + update-grub Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.35.14 Found initrd image: /boot/initrd.img-2.6.35.14 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 + echo Install Kernel Headers to /lib/modules/2.6.35.14/build Install Kernel Headers to /lib/modules/2.6.35.14/build + date +%Y%m%d + mv /lib/modules/2.6.35.14/build /lib/modules/2.6.35.14/build-20110930 + cd /mnt/hgfs/ + egrep -v .o$ + egrep -v vmlinu + tar c --files-from - + tar x -C /lib/modules/2.6.35.14/ + find linux-2.6.35.14 -type f + mv /lib/modules/2.6.35.14/linux-2.6.35.14 /lib/modules/2.6.35.14/build + uname -a Linux ubuntu-lucid64 2.6.32-33-generic #72-Ubuntu SMP Fri Jul 29 21:07:13 UTC 2011 x86_64 GNU/Linux }}} * s0711489@ubuntu-lucid64:~$ sudo reboot * s0711489@ubuntu-lucid64:~$ uname -a * s0711489@ubuntu-lucid64:~$ sudo vmware-config-tools.pl --default == step execution with GDB == * s0711489@ubuntu-lucid64:~/coursework/KernelHack/02$ cat > getpid.c {{{#!cc #include #include #include int main (void) { printf ("getpid() -> %d\n", getpid()); } }}} * s0711489@ubuntu-lucid64:~/coursework/KernelHack/02$ cc getpid.c -o getpid * s0711489@ubuntu-lucid64:~/coursework/KernelHack/02$ strace -f -o getpid.log ./getpid {{{ getpid() -> 2007 }}} * windell57:x86_64 s0711489$ gdb {{{ (gdb) file vmlinux Reading symbols from /home/ugrad/07/s0711489/coursework/KernelHack/linux-2.6.35.14/x86_64/vmlinux...(no debugging symbols found)...done. (gdb) target remote localhost:8864 }}} {{{ (gdb) help step Step program until it reaches a different source line. Argument N means do this N times (or till program stops for another reason). (gdb) help next Step program, proceeding through subroutine calls. Like the "step" command as long as subroutine calls do not happen; when they do, the call is treated as one instruction. Argument N means do this N times (or till program stops for another reason). }}} * 初めのうちはnextを使っていたため、サブルーチンコールがスキップされてしまい、うまく実行コードを見ることが出来なかった。 * windell57:02 s0711489$ cat > gdb.step.sh {{{#!sh echo 'file vmlinux target remote localhost:8864' yes s }}} * s0711489@ubuntu-lucid64:~/coursework/KernelHack/02$ while true; do ./getpid ;done {{{ getpid() -> 1816 getpid() -> 1817 (snip) getpid() -> 2846 getpid() -> 2847 getpid() -> 2848 Killed by signal 15. }}} * windell57:x86_64 s0711489$ sh ../../02/gdb.step.sh | gdb > gdb.txt * stepコマンドだけでは、実行されるコードが膨大すぎて、目当てのgetpidシステムコールまで到達出来なかった