Masao Uebayashi uebayasi

Installation

Basically follow [1]
But virt-manager can't open /dev/kvm
- Make libvirt-qemu user join kvm group (using vigr)

[1] https://help.ubuntu.com/community/KVM/Installation

Network

TL;DR - Use diffconfig

Initial build

Create .config by running make menuconfig interactively
Generate diffconfig by running ./script/diffconfig.sh and save it (e.g. ~/hoge.config)
Do build (make)

Incremental build

Fix system header internal include (XXX evil XXX)
- Replace #include <sys/*.h> with #include "sys/*.h" in /usr/include/*.h
- Replace #include <sys/*.h> with #include "*.h" in /usr/include/sys/*.h
Symlink liblto_plugin.so

cd ${TOOLDIR}/libexec/gcc/x86_64--netbsd/5.4.0
ln -sf liblto_plugin.so.0.0 liblto_plugin.so.0
ln -sf liblto_plugin.so.0.0 liblto_plugin.so.0

XXX genmatch vs. libiconv

Click the interesting packet
Select "File" -> "Export Specified Packets"
Select "Packet Range" -> "Selected packets only"

# scapy
INFO: Can't import PyX. Won't be able to use psdump() or pdfdump().
Welcome to Scapy (2.3.2)
>> x = Ether(src='00:11:22:33:44:55', dst='aa:bb:cc:dd:ee:ff')
>> wrpcap('x.pcap', x)
>> ^D
# ifconfig vether123 up
# ifconfig vether123 inet6 autoconf
# tcpreplay --intf1 vether123 x.pcap

Summary
- Installing Redmine under sub-URI is hard
- Input
  - Make Apache access localhost:3000/redmine
    - ProxyPass /redmine http://localhost:3000/redmine
  - Make Redmine process /redmine
    - Dynamic contents -> routing
      - Edit config/routes.rb
    - Static contents -> ???
      - XXX Doesn't work

TL;DR - link-set is fine if used with linker script

link-set is a set of macros __link_set_* defined in sys/cdefs.h (actually sys/cdefs_*.h).
link-set provides format-neutral way to generate linker sections.
link-set relys on the feature of ld(1) that ld(1) automatically generates __start_XXX and __stop_xxx symbols for sections not starting . (hoge matches, .fuga does not).
Those two symbols are only generated at final link. Not generated at relocatable output (ld -r).

	Jumping to start of image at address 0xbfca0000


	U-Boot 2012.04.01 (UBNT Build ID: 4605996-gd120a44) (Build time: Oct 14 2013 - 18:14:14)

	Skipping PCIe port 0 BIST, in EP mode, can't tell if clocked.
	Skipping PCIe port 1 BIST, reset not done. (port not configured)
	BIST check passed.
	UBNT_E200 r1:1, r2:9, serial #: 24A43C0634DA
	Core clock: 800 MHz, IO clock: 600 MHz, DDR clock: 533 MHz (1066 Mhz DDR)

	#0 0x00007f7ff710e74a in _lwp_kill () from /usr/lib/libc.so.12
	#1 0x00007f7ff710e3d5 in abort () from /usr/lib/libc.so.12
	#2 0x00007f7ff746a7d2 in default_fatal_finish ()
	from /usr/pkg/lib/dovecot/libdovecot.so.0
	#3 0x00007f7ff746a835 in i_internal_fatal_handler ()
	from /usr/pkg/lib/dovecot/libdovecot.so.0
	#4 0x00007f7ff7423031 in i_panic () from /usr/pkg/lib/dovecot/libdovecot.so.0
	#5 0x00007f7ff789960d in index_mail_get_raw_headers ()
	from /usr/pkg/lib/dovecot/libdovecot-storage.so.0
	#6 0x00007f7ff78998f3 in index_mail_get_first_header ()

	XXX 0x8001180068000010 <- 0x00002044
	XXX 0x8001180068000010 <- 0x00022044
	XXX 0x8001180068000010 <- 0x00022004
	XXX 0x8001180068000018 <- 0x398d28080b000001
	XXX 0x8001180068000018 <- 0x398d28080b000000
	XXX 0x8001180068000010 <- 0x00022014
	XXX 0x8001180068000018 <- 0x398d28080b000000
	XXX 0x8001180068000010 <- 0x0002201c
	XXX 0x8001180068000010 <- 0x0002203c
	XXX 0x80016f0010000008 <- 0x01a1