Kevin Lo's Weblog

Getting GRUB2 to dual boot FreeBSD and OpenBSD

2011-04-12T11:33:00.002+08:00

今日安裝好 OpenBSD 在另一顆硬碟上，打算用 FreeBSD 安裝好的 grub2 來做多重開機。加了 chainloder +1 也無作用。查了一下 grub2 ChangeLog，原來要用 kopenbsd。

# cat /boot/grub/grub.cfg 
menuentry "FreeBSD" {
        set root(hd0,1,a)
        kfreebsd /boot/loader
}
menuentry "OpenBSD" {
        set root=(hd1,1)
        kopenbsd /bsd
}

Add support for RDC R6040 10/100 Ethernet device

2011-01-28T16:15:00.000+08:00

一月八號收到 DM&P Electronics 捐贈機器 eBox-3300MX。目的是移植 FreeBSD 的 vte(4) 至 OpenBSD。一月十四日將 code commit 到 cvs：
http://marc.info/?l=openbsd-cvs&m=129506622317458&w=2

dmesg 如下:

OpenBSD 4.9-beta (GENERIC) #0: Fri Jan 28 15:55:49 CST 2011
kevlo@ebox.kevlo.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Vortex86 SoC (586-class) 1.01 GHz
cpu0: FPU,TSC,CX8
real mem = 536440832 (511MB)
avail mem = 517533696 (493MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 06/29/10, BIOS32 rev. 0 @ 0xf0010
apm0 at bios0: Power Management spec V1.2
apm0: AC on, battery charge unknown
pcibios0 at bios0: rev 3.0 @ 0xf0000/0x10000
pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xf34d0/240 (13 entries)
pcibios0: no compatible PCI ICU found: ICU vendor 0x17f3 product 0x6036
pcibios0: Warning, unable to fix up PCI interrupt routing
pcibios0: PCI bus #0 is the last bus
bios0: ROM list: 0xc0000/0x8000 0xe9400/0x200!
cpu0 at mainbus0: (uniprocessor)
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "RDC R6021 Host" rev 0x02
pcib0 at pci0 dev 7 function 0 vendor "RDC", unknown product 0x6036 rev 0x00
vte0 at pci0 dev 8 function 0 "RDC R6040 Ethernet" rev 0x00: irq 7, address 00:1
b:eb:68:43:cc
rdcphy0 at vte0 phy 1: R6040 10/100 PHY, rev. 1
ohci0 at pci0 dev 10 function 0 "RDC R6060 USB" rev 0x12: irq 3, version 1.0, le
gacy support
ehci0 at pci0 dev 10 function 1 "RDC R6061 USB" rev 0x03: irq 3
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "RDC EHCI root hub" rev 2.00/1.00 addr 1
ohci1 at pci0 dev 11 function 0 "RDC R6060 USB" rev 0x12: irq 3, version 1.0, le
gacy support
ehci1 at pci0 dev 11 function 1 "RDC R6061 USB" rev 0x03: irq 3
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 "RDC EHCI root hub" rev 2.00/1.00 addr 1
pciide0 at pci0 dev 12 function 0 "Intel 82801EB/ER IDE" rev 0x01: DMA, channel
0 configured to compatibility, channel 1 configured to compatibility
pciide0: channel 0 disabled (no drives)
pciide0: channel 1 disabled (no drives)
vga1 at pci0 dev 13 function 0 vendor "RDC", unknown product 0x2010 rev 0x00
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
azalia0 at pci0 dev 14 function 0 vendor "RDC", unknown product 0x3010 rev 0x01:
irq 5
azalia0: No codecs found
azalia0: initialization failure, detaching
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com0: probed fifo depth: 0 bytes
com2 at isa0 port 0x3e8/8 irq 5: ns16550a, 16 byte fifo
com2: probed fifo depth: 0 bytes
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
usb2 at ohci0: USB revision 1.0
uhub2 at usb2 "RDC OHCI root hub" rev 1.00/1.00 addr 1
usb3 at ohci1: USB revision 1.0
uhub3 at usb3 "RDC OHCI root hub" rev 1.00/1.00 addr 1
biomask ff4d netmask ffcd ttymask ffff
umass0 at uhub0 port 1 configuration 1 interface 0 "LaCie LaCie itsakey" rev 2.0
0/1.00 addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, initiator 0
sd0 at scsibus0 targ 1 lun 0: SCSI2 0/direct removable
sd0: 7712MB, 512 bytes/sec, 15794176 sec total
su0 at uhub1 port 2 "Manufacturer Realtek RTL8188S WLAN Adapter" rev 2.00/2.00
addr 2
rsu0: MAC/BB RTL8712 cut 3, address 00:1b:eb:49:0d:1c
uhidev0 at uhub2 port 2 configuration 1 interface 0 "Microsoft Wired Keyboard 60
0" rev 1.10/1.10 addr 2
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 modifier keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev1 at uhub2 port 2 configuration 1 interface 1 "Microsoft Wired Keyboard 60
0" rev 1.10/1.10 addr 2
uhidev1: iclass 3/0, 3 report ids
uhid0 at uhidev1 reportid 1: input=7, output=0, feature=0
uhid1 at uhidev1 reportid 3: input=1, output=0, feature=0
vscsi0 at root
scsibus1 at vscsi0: 256 targets
softraid0 at root
root on sd0a swap on sd0b dump on sd0b

VLC RTP multicast streaming

2010-12-22T18:31:00.000+08:00

工作需要設定 multicast router，因此利用 vlc 來送 multicast。參考了一下「Using VLC to Send/Receive Multicast」文章，但覺得還是習慣用 command line。

Multicast 傳送端設定：

$ vlc foobar.avi :file-caching=300 --loop --sout

'#rtp{mux=ts,dst=239.255.42.5,port=6004}' --ttl 10

接收端設定：
$ vlc rtp://@239.255.42.5:6004

Source navigator for NetBSD

2010-12-21T14:15:00.000+08:00

NetBSD 使用 OpenGrok 來做 source navigator：
http://nxr.netbsd.org/

從 OpenGrok 的比較表看來，似乎支援的東西比 LXR 還多。
找時間來試試跑在 FreeBSD 與 OpenBSD。

Closing file descriptors (二)

2010-12-15T12:57:00.003+08:00

繼「Closing file descriptors」，繼續檢視 FreeBSD userland 程式：r216285、r216292、r216321、r216431、r216432。

log2() and log2f() support in FreeBSD

2010-12-14T12:33:00.014+08:00

FreeBSD 終於支援 log2 與 log2f functions: r216211

順便將我的 libdisorder port 更新 :-)

http://lists.freebsd.org/pipermail/cvs-ports/2010-December/208470.html

Fixed find(1) bug in FreeBSD and OpenBSD

2010-12-02T16:54:00.001+08:00

在 FreeBSD 的 hackers mailist list 有人問到在當 find(1) 搜尋到空目錄時且該目錄若使用者權限不足則 find(1) 就不會繼續搜尋下去。例如：

%find /var -type d -empty
/var/account
/var/at/jobs
/var/at/spool
find: audit: Permission denied
%

Bakul Shah 提供了 patch 解決該問題。OpenBSD 第一時間 commit 該 patch，再來是 FreeBSD r216106。NetBSD 似乎還未發現這 bug ...

Closing file descriptors

2010-12-01T15:39:00.001+08:00

檢視 FreeBSD userland 程式的時候發現不少程式有 fd leaks 或是 opendir(3) 後忘了 closedir(3)：r215518、r215519、r215607、r215658、r216047、r216095。

Add support for Marvell 88E8059 and PHYG65G Gig PHY

2010-11-24T17:24:00.001+08:00

Frans Haarman 在 OpenBSD misc@ 問到他的 HP Mini 5102 網路卡不支援。剛好看到這信件就順便幫忙解決他的問題 :)