From owner-freebsd-current@FreeBSD.ORG Sun Dec 21 20:09:10 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1DCBD1065673 for ; Sun, 21 Dec 2008 20:09:10 +0000 (UTC) (envelope-from info@martenvijn.nl) Received: from smtp-vbr9.xs4all.nl (smtp-vbr9.xs4all.nl [194.109.24.29]) by mx1.freebsd.org (Postfix) with ESMTP id 751168FC12 for ; Sun, 21 Dec 2008 20:09:09 +0000 (UTC) (envelope-from info@martenvijn.nl) Received: from [192.168.178.47] (martenvijn.xs4all.nl [80.101.161.153]) by smtp-vbr9.xs4all.nl (8.13.8/8.13.8) with ESMTP id mBLK94AW030451; Sun, 21 Dec 2008 21:09:04 +0100 (CET) (envelope-from info@martenvijn.nl) From: Marten Vijn To: "Li, Qing" In-Reply-To: <548801c963a0$b3be8fe4$7202020a@internal.cacheflow.com> References: <548801c963a0$b3be8fe4$7202020a@internal.cacheflow.com> Content-Type: text/plain Date: Sun, 21 Dec 2008 21:09:03 +0100 Message-Id: <1229890143.6720.11.camel@mvn-desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: by XS4ALL Virus Scanner Cc: freebsd-current@freebsd.org Subject: RE: panic on ifconfig tun0 destroy X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 21 Dec 2008 20:09:10 -0000 On Sun, 2008-12-21 at 11:16 -0800, Li, Qing wrote: > I have seen this crash but I wasn't able to reproduce it consistently. An assertion fired in the if_tun cleanup code. I am currently working on a nfsclient/bootp issue, so I can look into this problem as soon as I am done patching the bootp bug. > reproduction: My setup: http://martenvijn.nl/trac/wiki/hsdpa You don't need the dongle to panic the system start the ppp connection ppp > dial default and destroy the interface ifconfig tun0 kind regards Marten > -- Qing > > -----Original Message----- > From: Marten Vijn > Sent: Saturday, December 20, 2008 12:24 PM > To: freebsd-current@freebsd.org > Subject: panic on ifconfig tun0 destroy > > hi > > I am trying to setup a hsdpa connection using the > u3g driver. The connection did not succeed (due unknown reasons yet) > > On debugging my ppp.conf I restarted my pppd with > > /etc/rc.d/ppp restart > > Then when try to remove the tun0 interface the system panics > > kind regards, > Marten > > > bert# dmesg > Copyright (c) 1992-2008 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > The Regents of the University of California. All rights reserved. > FreeBSD is a registered trademark of The FreeBSD Foundation. > FreeBSD 8.0-CURRENT #2: Sat Dec 20 16:12:23 UTC 2008 > root@bert:/usr/obj/usr/src/sys/GENERIC > WARNING: WITNESS option enabled, expect reduced performance. > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Mobile Intel(R) Pentium(R) 4 CPU 3.06GHz (3059.22-MHz 686-class > CPU) > Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 > > Features=0xbfebfbff > Features2=0x4400 > Logical CPUs per core: 2 > real memory = 1073152000 (1023 MB) > avail memory = 1032577024 (984 MB) > ACPI APIC Table: > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 1 > ioapic0 irqs 0-23 on motherboard > kbd1 at kbdmux0 > acpi0: on motherboard > acpi0: [ITHREAD] > acpi0: Power Button (fixed) > Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 > acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0 > acpi_ec0: port 0x62,0x66 on acpi0 > acpi_button0: on acpi0 > acpi_lid0: on acpi0 > pcib0: port 0xcf8-0xcff on acpi0 > pci0: on pcib0 > agp0: on hostb0 > pcib1: at device 1.0 on pci0 > pci1: on pcib1 > vgapci0: mem > 0xd1000000-0xd1ffffff,0xe0000000-0xefffffff irq 16 at device 0.0 on pci1 > uhci0: port 0x1cc0-0x1cdf > irq 16 at device 29.0 on pci0 > uhci0: [GIANT-LOCKED] > uhci0: [ITHREAD] > usb0: on uhci0 > usb0: USB revision 1.0 > uhub0: on usb0 > uhub0: 2 ports with 2 removable, self powered > uhci1: port 0x1ce0-0x1cff > irq 19 at device 29.1 on pci0 > uhci1: [GIANT-LOCKED] > uhci1: [ITHREAD] > usb1: on uhci1 > usb1: USB revision 1.0 > uhub1: on usb1 > uhub1: 2 ports with 2 removable, self powered > uhci2: port 0x2000-0x201f > irq 18 at device 29.2 on pci0 > uhci2: [GIANT-LOCKED] > uhci2: [ITHREAD] > usb2: on uhci2 > usb2: USB revision 1.0 > uhub2: on usb2 > uhub2: 2 ports with 2 removable, self powered > uhci3: port 0x2020-0x203f > irq 16 at device 29.3 on pci0 > uhci3: [GIANT-LOCKED] > uhci3: [ITHREAD] > usb3: on uhci3 > usb3: USB revision 1.0 > uhub3: on usb3 > uhub3: 2 ports with 2 removable, self powered > ehci0: mem > 0xd0000000-0xd00003ff irq 23 at device 29.7 on pci0 > ehci0: [GIANT-LOCKED] > ehci0: [ITHREAD] > usb4: EHCI version 1.0 > usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3 > usb4: on ehci0 > usb4: USB revision 2.0 > uhub4: on usb4 > uhub4: 8 ports with 8 removable, self powered > pcib2: at device 30.0 on pci0 > pci3: on pcib2 > cbb0: at device 4.0 on pci3 > cardbus0: on cbb0 > pccard0: <16-bit PCCard bus> on cbb0 > cbb0: [FILTER] > cbb1: at device 4.1 on pci3 > cardbus1: on cbb1 > pccard1: <16-bit PCCard bus> on cbb1 > cbb1: [FILTER] > fwohci0: <1394 Open Host Controller Interface> mem > 0xd2015000-0xd20157ff,0xd2010000-0xd2013fff irq 23 at device 4.2 on pci3 > fwohci0: [FILTER] > fwohci0: OHCI version 1.10 (ROM=0) > fwohci0: No. of Isochronous channels is 4. > fwohci0: EUI64 12:34:56:78:12:34:56:78 > fwohci0: Phy 1394a available S400, 2 ports. > fwohci0: Link S400, max_rec 2048 bytes. > firewire0: on fwohci0 > dcons_crom0: on firewire0 > dcons_crom0: bus_addr 0x1494000 > fwe0: on firewire0 > if_fwe0: Fake Ethernet address: 12:34:56:34:56:78 > fwe0: Ethernet address: 12:34:56:34:56:78 > fwip0: on firewire0 > fwip0: Firewire address: 12:34:56:78:12:34:56:78 @ 0xfffe00000000, S400, > maxrec 2048 > sbp0: on firewire0 > fwohci0: Initiate bus reset > fwohci0: BUS reset > fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode > pci3: at device 4.3 (no driver attached) > rl0: port 0x3000-0x30ff mem > 0xd2015800-0xd20158ff irq 19 at device 5.0 on pci3 > miibus0: on rl0 > rlphy0: PHY 0 on miibus0 > rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto > rl0: Ethernet address: 00:0a:e4:55:3b:8f > rl0: [ITHREAD] > ath0: mem 0xd2000000-0xd200ffff irq 18 at device 6.0 on > pci3 > ath0: [ITHREAD] > ath0: WARNING: using obsoleted if_watchdog interface > ath0: mac 5.9 phy 4.3 radio 3.6 > isab0: at device 31.0 on pci0 > isa0: on isab0 > atapci0: port > 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x2060-0x206f at device 31.1 on pci0 > ata0: on atapci0 > ata0: [ITHREAD] > ata1: on atapci0 > ata1: [ITHREAD] > pci0: at device 31.3 (no driver attached) > pci0: at device 31.5 (no driver attached) > pci0: at device 31.6 (no driver attached) > acpi_tz0: on acpi0 > acpi_button1: on acpi0 > atrtc0: port 0x70-0x71 irq 8 on acpi0 > atkbdc0: port 0x60,0x64 irq 1 on acpi0 > atkbd0: irq 1 on atkbdc0 > kbd0 at atkbd0 > atkbd0: [GIANT-LOCKED] > atkbd0: [ITHREAD] > psm0: irq 12 on atkbdc0 > psm0: [GIANT-LOCKED] > psm0: [ITHREAD] > psm0: model Generic PS/2 mouse, device ID 0 > uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 > uart0: [FILTER] > battery0: on acpi0 > acpi_acad0: on acpi0 > cpu0: on acpi0 > acpi_perf0: on cpu0 > p4tcc0: on cpu0 > cpu1: on acpi0 > p4tcc1: on cpu1 > pmtimer0 on isa0 > orm0: at iomem 0xd0000-0xd0fff,0xdc000-0xdffff pnpid > ORM0000 on isa0 > sc0: at flags 0x100 on isa0 > sc0: VGA <16 virtual consoles, flags=0x300> > vga0: at port 0x3c0-0x3df iomem 0xa0000-0xbffff on > isa0 > ppc0: parallel port not found. > uart1: <16550 or compatible> at port 0x2f8-0x2ff irq 3 on isa0 > uart1: [FILTER] > Timecounters tick every 1.000 msec > firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me) > firewire0: bus manager 0 (me) > ad0: 76319MB at ata0-master UDMA100 > acd0: DVDR at ata1-master UDMA33 > GEOM: ad0s2: geometry does not match label. > GEOM: ad0s3: geometry does not match label. > SMP: AP CPU #1 Launched! > WARNING: WITNESS option enabled, expect reduced performance. > Trying to mount root from ufs:/dev/ad0s3a > WARNING: / was not properly dismounted > lock order reversal: > 1st 0xc456c044 user map (user map) @ /usr/src/sys/vm/vm_map.c:3115 > 2nd 0xc49137ac ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2079 > KDB: stack backtrace: > db_trace_self_wrapper(c0bdfc8c,c41be90c,c0870b75,4,c0bdb1ef,...) at > db_trace_self_wrapper+0x26 > kdb_backtrace(4,c0bdb1ef,c4521728,c4526868,c41be968,...) at > kdb_backtrace+0x29 > _witness_debugger(c0be2976,c49137ac,c0bd6275,c4526868,c0be968d,...) at > _witness_debugger+0x25 > witness_checkorder(c49137ac,1,c0be968d,81f,0,...) at witness_checkorder > +0x839 > __lockmgr_args(c49137ac,200501,c49137c8,0,0,...) at __lockmgr_args+0x237 > ffs_lock(c41bea78,c087091b,c0c05687,200501,c4913754,...) at ffs_lock > +0x8a > VOP_LOCK1_APV(c0ce5d40,c41bea78,c4568e24,c0cf9e20,c4913754,...) at > VOP_LOCK1_APV+0xa5 > _vn_lock(c4913754,200501,c0be968d,81f,4,...) at _vn_lock+0x5e > vget(c4913754,200501,c4568d80,4b4,0,...) at vget+0xc9 > vnode_pager_lock(c187d07c,0,c0c02c69,127,c41bec18,...) at > vnode_pager_lock+0x1e0 > vm_fault(c456c000,80db000,2,8,80db780,...) at vm_fault+0x1df > trap_pfault(5,0,c0c1298d,2e7,c4566d34,...) at trap_pfault+0x118 > trap(c41bed38) at trap+0x289 > calltrap() at calltrap+0x6 > --- trap 0xc, eip = 0x80480e5, esp = 0xbfbfeef0, ebp = 0xbfbfef10 --- > WARNING: /tmp was not properly dismounted > WARNING: /usr was not properly dismounted > WARNING: /var was not properly dismounted > ppc0: parallel port not found. > ppc0: parallel port not found. > ppc0: parallel port not found. > pcm0: port 0x1400-0x14ff,0x1c80-0x1cbf mem > 0xd0000c00-0xd0000dff,0xd0000800-0xd00008ff irq 17 at device 31.5 on > pci0 > pcm0: [ITHREAD] > pcm0: > ppc0: parallel port not found. > ppc0: parallel port not found. > rl0: link state changed to DOWN > rl0: link state changed to UP > lock order reversal: > 1st 0xc4fda7ac ufs (ufs) @ /usr/src/sys/ufs/ffs/ffs_snapshot.c:424 > 2nd 0xd8520990 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2443 > 3rd 0xc4ac2594 ufs (ufs) @ /usr/src/sys/ufs/ffs/ffs_snapshot.c:545 > KDB: stack backtrace: > db_trace_self_wrapper(c0bdfc8c,c436940c,c0870b75,4,c0bdb1ef,...) at > db_trace_self_wrapper+0x26 > kdb_backtrace(4,c0bdb1ef,c45236d8,c4526868,c4369468,...) at > kdb_backtrace+0x29 > _witness_debugger(c0be298f,c4ac2594,c0bd6275,c4526868,c0bff2aa,...) at > _witness_debugger+0x25 > witness_checkorder(c4ac2594,9,c0bff2aa,221,0,...) at witness_checkorder > +0x839 > __lockmgr_args(c4ac2594,80100,c4ac25b0,0,0,...) at __lockmgr_args+0x797 > ffs_lock(c4369578,c0e6e7a8,c47fb9a4,80100,c4ac253c,...) at ffs_lock+0x8a > VOP_LOCK1_APV(c0ce5d40,c4369578,c4369598,c0cf9e20,c4ac253c,...) at > VOP_LOCK1_APV+0xa5 > _vn_lock(c4ac253c,80100,c0bff2aa,221,c4553200,...) at _vn_lock+0x5e > ffs_snapshot(c4ac5500,c4ad64e0,c0c00c0f,15e,3,...) at ffs_snapshot > +0x1527 > ffs_mount(c4ac5500,c47fb900,c0be906e,3cb,c4d0d7f0,...) at ffs_mount > +0x146f > vfs_donmount(c47fb900,211000,c4c9d900,c4c9d900,201000,...) at > vfs_donmount+0x1312 > nmount(c47fb900,c4369cf8,c,c4369d38,c0cc32f0,...) at nmount+0xbe > syscall(c4369d38) at syscall+0x2a3 > Xint0x80_syscall() at Xint0x80_syscall+0x20 > --- syscall (378, FreeBSD ELF32, nmount), eip = 0x280e6c8b, esp = > 0xbfbfeb1c, ebp = 0xbfbfee78 --- > lock order reversal: > 1st 0xd8520990 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2443 > 2nd 0xc4e4c6dc snaplk (snaplk) > @ /usr/src/sys/ufs/ffs/ffs_snapshot.c:794 > KDB: stack backtrace: > db_trace_self_wrapper(c0bdfc8c,c436940c,c0870b75,4,c0bdb1ef,...) at > db_trace_self_wrapper+0x26 > kdb_backtrace(4,c0bdb1ef,c45236d8,c45272f8,c4369468,...) at > kdb_backtrace+0x29 > _witness_debugger(c0be2976,c4e4c6dc,c0bff30c,c45272f8,c0bff2aa,...) at > _witness_debugger+0x25 > witness_checkorder(c4e4c6dc,9,c0bff2aa,31a,c4fda7c8,...) at > witness_checkorder+0x839 > __lockmgr_args(c4e4c6dc,80400,c4fda7c8,0,0,...) at __lockmgr_args+0x797 > ffs_lock(c4369578,0,0,80400,c4fda754,...) at ffs_lock+0x8a > VOP_LOCK1_APV(c0ce5d40,c4369578,c1955f20,c0cf9e20,c4fda754,...) at > VOP_LOCK1_APV+0xa5 > _vn_lock(c4fda754,80400,c0bff2aa,31a,0,...) at _vn_lock+0x5e > ffs_snapshot(c4ac5500,c4ad64e0,c0c00c0f,15e,3,...) at ffs_snapshot > +0x28c6 > ffs_mount(c4ac5500,c47fb900,c0be906e,3cb,c4d0d7f0,...) at ffs_mount > +0x146f > vfs_donmount(c47fb900,211000,c4c9d900,c4c9d900,201000,...) at > vfs_donmount+0x1312 > nmount(c47fb900,c4369cf8,c,c4369d38,c0cc32f0,...) at nmount+0xbe > syscall(c4369d38) at syscall+0x2a3 > Xint0x80_syscall() at Xint0x80_syscall+0x20 > --- syscall (378, FreeBSD ELF32, nmount), eip = 0x280e6c8b, esp = > 0xbfbfeb1c, ebp = 0xbfbfee78 --- > lock order reversal: > 1st 0xc4e4c6dc snaplk (snaplk) @ /usr/src/sys/kern/vfs_vnops.c:293 > 2nd 0xc4fda7ac ufs (ufs) @ /usr/src/sys/ufs/ffs/ffs_snapshot.c:1588 > KDB: stack backtrace: > db_trace_self_wrapper(c0bdfc8c,c43698c4,c0870b75,4,c0bdb1ef,...) at > db_trace_self_wrapper+0x26 > kdb_backtrace(4,c0bdb1ef,c45272f8,c4526868,c4369920,...) at > kdb_backtrace+0x29 > _witness_debugger(c0be2976,c4fda7ac,c0bd6275,c4526868,c0bff2aa,...) at > _witness_debugger+0x25 > witness_checkorder(c4fda7ac,9,c0bff2aa,634,0,...) at witness_checkorder > +0x839 > __lockmgr_args(c4fda7ac,80000,0,0,0,...) at __lockmgr_args+0x797 > ffs_snapremove(c4fda754,c4ac5500,0,c0bea853,414,...) at ffs_snapremove > +0x11f > softdep_releasefile(c4e52528,c4369aa8,2,c0e6e778,c0cc7ba4,...) at > softdep_releasefile+0x3b > ufs_inactive(c4369ae8,c4fda7c8,c4fda754,c4fda7c8,c4369b00,...) at > ufs_inactive+0x1bc > VOP_INACTIVE_APV(c0ce5d40,c4369ae8,c0be968d,914,c0cf9de0,...) at > VOP_INACTIVE_APV+0xa5 > vinactive(c0ce5d40,c4369b1c,c0be968d,8a0,128,...) at vinactive+0x8e > vput(c4fda754,c4369b54,c0bea853,125,c0cf9b60,...) at vput+0x1db > vn_close(c4fda754,1,c456d400,c47fb900,c4369be0,...) at vn_close+0xee > vn_closefile(c4b14e38,c47fb900,3,0,c4b14e38,...) at vn_closefile+0xe9 > _fdrop(c4b14e38,c47fb900,c4369c1c,c08709bc,0,c47fb9a4,c0e6e778,c0cc93b0,c0bd7f59,c4ff632c,44f,c0bd7f59,c4369c44,c0839520,c4ff632c,8,c0bd7f59,44f) at _fdrop+0x43 > closef(c4b14e38,c47fb900,44f,434,c4b14e38,...) at closef+0x290 > kern_close(c47fb900,4,c4369d2c,c0b2fad3,c47fb900,...) at kern_close > +0x11d > close(c47fb900,c4369cf8,4,c0be371f,c0cc1010,...) at close+0x1a > syscall(c4369d38) at syscall+0x2a3 > Xint0x80_syscall() at Xint0x80_syscall+0x20 > --- syscall (6, FreeBSD ELF32, close), eip = 0x281844b3, esp = > 0xbfbfeb1c, ebp = 0xbfbfee78 --- > rl0: link state changed to DOWN > rl0: link state changed to UP > rl0: link state changed to DOWN > rl0: link state changed to UP > > > plugging usb huawei E620 => > ucom0: < > \M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^? HUAWEI Mobile, class 0/0, rev 1.10/0.00, addr 2> on uhub1 > ucom0: configured 3 serial ports (U0.%d) > umass0: < > \M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^?\M^? HUAWEI Mobile, class 0/0, rev 1.10/0.00, addr 2> on uhub1 > cd0 at umass-sim0 bus 0 target 0 lun 0 > cd0: Removable CD-ROM SCSI-2 device > cd0: 1.000MB/s transfers > cd0: Attempt to query device size failed: NOT READY, Medium not present > da0 at umass-sim0 bus 0 target 0 lun 1 > da0: Removable Direct Access SCSI-2 device > da0: 1.000MB/s transfers > da0: Attempt to query device size failed: NOT READY, Medium not present > > bert# ppp > Loading /lib/libalias_cuseeme.so > Loading /lib/libalias_ftp.so > Loading /lib/libalias_irc.so > Loading /lib/libalias_nbt.so > Loading /lib/libalias_pptp.so > Loading /lib/libalias_skinny.so > Loading /lib/libalias_smedia.so > Working in interactive mode > Using interface: tun0 > ppp ON bert> dial default > ppp ON bert> Warning: Chat script failed > > > bert# ifconfig > fwe0: flags=8802 metric 0 mtu 1500 > options=8 > ether 12:34:56:34:56:78 > ch 1 dma -1 > fwip0: flags=8802 metric 0 mtu 1500 > lladdr 12.34.56.78.12.34.56.78.a.2.ff.fe.0.0.0.0 > rl0: flags=8843 metric 0 mtu > 1500 > options=8 > ether 00:0a:e4:55:3b:8f > inet 192.168.178.75 netmask 0xffffff00 broadcast 192.168.178.255 > media: Ethernet autoselect (100baseTX ) > status: active > ath0: flags=8802 metric 0 mtu 2290 > ether 00:0b:6b:34:55:41 > media: IEEE 802.11 Wireless Ethernet autoselect (autoselect) > status: no carrier > lo0: flags=8049 metric 0 mtu 16384 > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5 > inet6 ::1 prefixlen 128 > inet 127.0.0.1 netmask 0xff000000 > tun0: flags=8010 metric 0 mtu 1500 > inet 10.0.0.1 --> 10.0.0.2 netmask 0xffffffff > Opened by PID 2120 > > after retrying my ppp config and restarting ppp > > bert# /etc/rc.d/ppp restart > Stopping PPP profile: default(not running). > Starting PPP profile: defaultLoading /lib/libalias_cuseeme.so > Loading /lib/libalias_ftp.so > Loading /lib/libalias_irc.so > Loading /lib/libalias_nbt.so > Loading /lib/libalias_pptp.so > Loading /lib/libalias_skinny.so > Loading /lib/libalias_smedia.so > Warning: Add route failed: 0.0.0.0/0 already exists > Warning: Add route failed: 0.0.0.0/0 already exists > > > on ifconfig tun0 destroy: > > KDB: enter: panic > [thread pid 2130 tid 100087 ] > Stopped at kdb_ent+03a: mov $0,kdb_why > > db > > > > > > > > > > > > > -- http://martenvijn.nl Marten Vijn http://www.deupsidevandown.nl *** http://laptop.org/xo Give One Get One http://har2009.org August 13-16th http://opencommunitycamp.org 26th Jul 2nd August