Changes between Initial Version and Version 1 of Dev/KernelHack/COINS/worklog/201109

Timestamp:

Sep 17, 2011 3:57:33 PM (13 years ago)

Author:

mitty

Comment:

--

Dev/KernelHack/COINS/worklog/201109

@@ +1 @@
+[[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
+}}}