Re: Wireguard doesn't seem to work on macppc 7.8

Gabriele Vento <[email protected]> Thu, 14 May 2026 08:30:02 +0200
Newsgroups	gmane.os.openbsd.bugs
Message-ID	<[email protected]>

On May 14, 2026 12:48:03 AM GMT+02:00, Vitaliy Makkoveev <[email protected]> wrote:
>On Wed, May 13, 2026 at 08:54:24AM -0600, Theo de Raadt wrote:
>> Is this a byte order problem?
>> 
>
>I just check wg(4) on my Powerbook G4. Everything works fine. It runs
>"OpenBSD 7.9 (GENERIC) #54: Fri May  8" but I'm pretty sure 7.8 should
>also work fine.
>
>Gabriele, what do yo mean saying "just doesn't work"? Does it failed to
>connect to the peer or does it successfully connect, but traffic does
>not go within tunnel?
Traffic does not go within the tunnel.

>> 
>> Gabriele Vento <[email protected]> wrote:
>> 
>> > >Synopsis:      Wireguard doesn't seem to work on macppc (at least
>> >  when trying to connect to CGHMN)
>> > >Category:      powerpc
>> > >Environment:
>> >         System      : OpenBSD 7.8
>> >         Details     : OpenBSD 7.8 (GENERIC) #13: Fri Oct 10 13:14:53
>> > MDT 2025
>> >  [email protected]:/usr/src/sys/arch/macppc/compile/GENERIC
>> > 
>> >         Architecture: OpenBSD.macppc
>> >         Machine     : macppc
>> > >Description:
>> >         I am trying to connect to a VPN (https://cghmn.org) through
>> > wg-quick from a iBook G3 running OpenBSD 7.8, but it does not seem to
>> > work.
>> >         It first of all for some reason replaces the last field of
>> > AllowedIps with `/0`, and also just doesn't work.
>> > >How-To-Repeat:
>> >         - Write to /etc/wireguard/wg-conf.conf the following lines
>> > (replacing the bracketed terms)
>> >                 [Interface]
>> >                 Address = <addres>/32
>> >                 PrivateKey = <privatekey>
>> >                 DNS = 100.64.12.2
>> >                 MTU = 1300
>> > 
>> >                 [Peer]
>> >                 PublicKey = k/QiJIbMakMKgTCHVt8/D+8k4DzRVM6U33F3gMZfRUg=
>> >                 AllowedIPs = 100.64.0.0/10
>> >                 Endpoint = us.wg.cghmn.org:42070
>> >                 PersistentKeepalive = 15
>> >                 PresharedKey = <presharedkey>
>> >         - Run `wg-quick up wg-conf`
>> > 
>> > dmesg:
>> > OpenBSD 7.8 (GENERIC) #13: Fri Oct 10 13:14:53 MDT 2025
>> > [email protected]:/usr/src/sys/arch/macppc/compile/GENERIC
>> > real mem = 671088640 (640MB)
>> > avail mem = 630419456 (601MB)
>> > random: boothowto does not indicate good seed
>> > mpath0 at root
>> > scsibus0 at mpath0: 256 targets
>> > mainbus0 at root: model PowerBook4,2
>> > cpu0 at mainbus0: 750 (Revision 0x3311): 600 MHz: 256KB backside cache
>> > mem0 at mainbus0
>> > spdmem0 at mem0: SDRAM non-parity PC66
>> > spdmem1 at mem0: 512MB SDRAM non-parity PC133CL2
>> > memc0 at mainbus0: uni-n rev 0xc0
>> > kiic0 at memc0 offset 0xf8001000
>> > iic0 at kiic0
>> > mpcpcibr0 at mainbus0 pci: uni-north
>> > pci0 at mpcpcibr0 bus 0
>> > pchb0 at pci0 dev 11 function 0 "Apple Pangea AGP" rev 0x00
>> > agp at pchb0 not configured
>> > vgafb0 at pci0 dev 16 function 0 "ATI Mobility M3" rev 0x02, mmio
>> > wsdisplay0 at vgafb0 mux 1: console (std, vt100 emulation)
>> > wsdisplay0: screen 1-5 added (std, vt100 emulation)
>> > mpcpcibr1 at mainbus0 pci: uni-north
>> > pci1 at mpcpcibr1 bus 0
>> > macobio0 at pci1 dev 23 function 0 "Apple Pangea Macio" rev 0x00
>> > openpic0 at macobio0 offset 0x40000: version 0x4614 feature 3f0302 LE
>> > macgpio0 at macobio0 offset 0x50
>> > macgpio1 at macgpio0: irq 47
>> > pgs0 at macgpio0: irq 55
>> > "firewire-linkon" at macgpio0 not configured
>> > "gpio1" at macgpio0 not configured
>> > "gpio9" at macgpio0 not configured
>> > "extint-gpio4" at macgpio0 not configured
>> > "extint-gpio12" at macgpio0 not configured
>> > "escc-legacy" at macobio0 offset 0x12000 not configured
>> > zs0 at macobio0 offset 0x13000: irq 22,23
>> > zstty0 at zs0 channel 0
>> > zstty1 at zs0 channel 1
>> > tumbler0 at macobio0 offset 0x10000: irq 30,1,2
>> > "timer" at macobio0 offset 0x15000 not configured
>> > adb0 at macobio0 offset 0x16000: irq 25, via-pmu, 3 targets
>> > apm0 at adb0: battery flags 0x5, 100% charged
>> > akbd0 at adb0 addr 2: iBook keyboard with inverted T (ISO layout)
>> > wskbd0 at akbd0: console keyboard, using wsdisplay0
>> > ams0 at adb0 addr 3: EMP trackpad <tpad> 2-button, 400 dpi
>> > wsmouse0 at ams0 mux 0
>> > abtn0 at adb0 addr 7: brightness/volume/eject buttons
>> > "battery" at macobio0 offset 0x0 not configured
>> > "backlight" at macobio0 offset 0xf300 not configured
>> > kiic1 at macobio0 offset 0x18000
>> > iic1 at kiic1
>> > wdc0 at macobio0 offset 0x1f000 irq 19: DMA
>> > wd0 at wdc0 channel 0 drive 0: <SAMSUNG MP0402H>
>> > wd0: 16-sector PIO, LBA48, 38204MB, 78242976 sectors
>> > atapiscsi0 at wdc0 channel 0 drive 1
>> > scsibus1 at atapiscsi0: 2 targets
>> > cd0 at scsibus1 targ 0 lun 0: <SONY, CD-RW CRX800E, 1.3g> removable
>> > wd0(wdc0:0:0): using PIO mode 4, DMA mode 2
>> > cd0(wdc0:0:1): using PIO mode 4, DMA mode 2
>> > audio0 at tumbler0
>> > ohci0 at pci1 dev 24 function 0 "Apple Pangea USB" rev 0x00: irq 27,
>> > version 1.0
>> > ohci1 at pci1 dev 25 function 0 "Apple Pangea USB" rev 0x00: irq 28,
>> > version 1.0
>> > usb0 at ohci0: USB revision 1.0
>> > uhub0 at usb0 configuration 1 interface 0 "Apple OHCI root hub" rev
>> > 1.00/1.00 addr 1
>> > usb1 at ohci1: USB revision 1.0
>> > uhub1 at usb1 configuration 1 interface 0 "Apple OHCI root hub" rev
>> > 1.00/1.00 addr 1
>> > mpcpcibr2 at mainbus0 pci: uni-north
>> > pci2 at mpcpcibr2 bus 0
>> > "Apple Pangea FireWire" rev 0x00 at pci2 dev 14 function 0 not configured
>> > gem0 at pci2 dev 15 function 0 "Apple Pangea GMAC" rev 0x00: irq 41,
>> > address 00:03:93:6a:1d:74
>> > bmtphy0 at gem0 phy 0: BCM5221, rev. 4
>> > vscsi0 at root
>> > scsibus2 at vscsi0: 256 targets
>> > softraid0 at root
>> > scsibus3 at softraid0: 256 targets
>> > bootpath: /pci@f2000000/mac-io@17/ata-4@1f000/disk@0:/bsd
>> > root on wd0a (f650c960c8366817.a) swap on wd0b dump on wd0b
>> > WARNING: / was not properly unmounted
>> > 
>> > usbdevs:
>> > Controller /dev/usb0:
>> > addr 01: 106b:0000 Apple, OHCI root hub
>> >          full speed, self powered, config 1, rev 1.00
>> >          driver: uhub0
>> > Controller /dev/usb1:
>> > addr 01: 106b:0000 Apple, OHCI root hub
>> >          full speed, self powered, config 1, rev 1.00
>> >          driver: uhub1
>> > 
>> > pcidump:
>> > Domain /dev/pci0:
>> >  0:11:0: Apple Pangea AGP
>> >         0x0000: Vendor ID: 106b, Product ID: 0027
>> >         0x0004: Command: 0016, Status: 0230
>> >         0x0008: Class: 06 Bridge, Subclass: 00 Host,
>> >                 Interface: 00, Revision: 00
>> >         0x000c: BIST: 00, Header Type: 00, Latency Timer: 10,
>> >                 Cache Line Size: 08
>> >         0x0010: BAR empty (00000000)
>> >         0x0014: BAR empty (00000000)
>> >         0x0018: BAR empty (00000000)
>> >         0x001c: BAR empty (00000000)
>> >         0x0020: BAR empty (00000000)
>> >         0x0024: BAR empty (00000000)
>> >         0x0028: Cardbus CIS: 00000000
>> >         0x002c: Subsystem Vendor ID: 0000 Product ID: 0000
>> >         0x0030: Expansion ROM Base Address: 00000000
>> >         0x0038: 00000000
>> >         0x003c: Interrupt Pin: 00 Line: 00 Min Gnt: 00 Max Lat: 00
>> >         0x0080: Capability 0x02: AGP
>> >         0x0000: 0027106b 02300016 06000000 00001008
>> >         0x0010: 00000000 00000000 00000000 00000000
>> >         0x0020: 00000000 00000000 00000000 00000000
>> >         0x0030: 00000000 00000080 00000000 00000000
>> >         0x0040: 00000840 00000000 02000002 00000000
>> >         0x0050: 00000040 00000000 00000000 00000000
>> >         0x0060: 00000000 00000000 00000000 00000000
>> >         0x0070: 00000000 00000000 00000000 00000000
>> >         0x0080: 00100002 07000203 00000000 00000000
>> >         0x0090: 00000000 00000000 00000001 00000000
>> >         0x00a0: 00000000 00000000 00000000 00000000
>> >         0x00b0: 00000000 00000000 00000000 00000000
>> >         0x00c0: 00000000 00000000 00000000 00000000
>> >         0x00d0: 00000000 00000000 00000000 00000000
>> >         0x00e0: 00000000 00000000 00000000 00000000
>> >         0x00f0: 00000000 00000000 00000000 00000000
>> >  0:16:0: ATI Mobility M3
>> >         0x0000: Vendor ID: 1002, Product ID: 4c46
>> >         0x0004: Command: 0086, Status: 02b0
>> >         0x0008: Class: 03 Display, Subclass: 00 VGA,
>> >                 Interface: 00, Revision: 02
>> >         0x000c: BIST: 00, Header Type: 00, Latency Timer: ff,
>> >                 Cache Line Size: 08
>> >         0x0010: BAR mem prefetchable 32bit addr: 0x94000000/0x04000000
>> >         0x0014: BAR io addr: 0x00000400/0x0100
>> >         0x0018: BAR mem 32bit addr: 0x90000000/0x00004000
>> >         0x001c: BAR empty (00000000)
>> >         0x0020: BAR empty (00000000)
>> >         0x0024: BAR empty (00000000)
>> >         0x0028: Cardbus CIS: 00000000
>> >         0x002c: Subsystem Vendor ID: 1002 Product ID: 4c46
>> >         0x0030: Expansion ROM Base Address: 90020000
>> >         0x0038: 00000000
>> >         0x003c: Interrupt Pin: 01 Line: ff Min Gnt: 08 Max Lat: 00
>> >         0x0050: Capability 0x02: AGP
>> >         0x005c: Capability 0x01: Power Management
>> >                 State: D0
>> >         0x0000: 4c461002 02b00086 03000002 0000ff08
>> >         0x0010: 94000008 00000401 90000000 00000000
>> >         0x0020: 00000000 00000000 00000000 4c461002
>> >         0x0030: 90020000 00000050 00000000 000801ff
>> >         0x0040: 00000000 00000000 00000000 00000000
>> >         0x0050: 00205c02 1f000203 00000200 06020001
>> >         0x0060: 00000000 00000000 00000000 00000000
>> >         0x0070: 00000000 00000000 00000000 00000000
>> >         0x0080: 00000000 00000000 00000000 00000000
>> >         0x0090: 00000000 00000000 00000000 00000000
>> >         0x00a0: 00000000 00000000 00000000 00000000
>> >         0x00b0: 00000000 00000000 00000000 00000000
>> >         0x00c0: 00000000 00000000 00000000 00000000
>> >         0x00d0: 00000000 00000000 00000000 00000000
>> >         0x00e0: 00000000 00000000 00000000 00000000
>> >         0x00f0: 00000000 00000000 00000000 00000000
>> > Domain /dev/pci1:
>> >  0:23:0: Apple Pangea Macio
>> >         0x0000: Vendor ID: 106b, Product ID: 0025
>> >         0x0004: Command: 0016, Status: 0200
>> >         0x0008: Class: ff (unknown), Subclass: 00 (unknown),
>> >                 Interface: 00, Revision: 00
>> >         0x000c: BIST: 00, Header Type: 00, Latency Timer: 10,
>> >                 Cache Line Size: 08
>> >         0x0010: BAR mem 32bit addr: 0x80000000/0x00080000
>> >         0x0014: BAR empty (00000000)
>> >         0x0018: BAR empty (00000000)
>> >         0x001c: BAR empty (00000000)
>> >         0x0020: BAR empty (00000000)
>> >         0x0024: BAR empty (00000000)
>> >         0x0028: Cardbus CIS: 00000000
>> >         0x002c: Subsystem Vendor ID: 0000 Product ID: 0000
>> >         0x0030: Expansion ROM Base Address: 00000000
>> >         0x0038: 00000000
>> >         0x003c: Interrupt Pin: 00 Line: 00 Min Gnt: 00 Max Lat: 00
>> >         0x0000: 0025106b 02000016 ff000000 00001008
>> >         0x0010: 80000000 00000000 00000000 00000000
>> >         0x0020: 00000000 00000000 00000000 00000000
>> >         0x0030: 00000000 00000000 00000000 00000000
>> >         0x0040: 00000000 00000000 00000000 00000000
>> >         0x0050: 00000000 00000000 00000000 00000000
>> >         0x0060: fffffff3 ffffffff ffffffff ffffffff
>> >         0x0070: 00000000 00000000 00000000 00000000
>> >         0x0080: 00000000 00000000 00000000 00000000
>> >         0x0090: 00000000 00000000 00000000 00000000
>> >         0x00a0: 00000000 00000000 00000000 00000000
>> >         0x00b0: 00000000 00000000 00000000 00000000
>> >         0x00c0: 00000000 00000000 00000000 00000000
>> >         0x00d0: 00000000 00000000 00000000 00000000
>> >         0x00e0: 00000000 00000000 00000000 00000000
>> >         0x00f0: 00000000 00000000 00000000 00000000
>> >  0:24:0: Apple Pangea USB
>> >         0x0000: Vendor ID: 106b, Product ID: 0026
>> >         0x0004: Command: 0006, Status: 0210
>> >         0x0008: Class: 0c Serial Bus, Subclass: 03 USB,
>> >                 Interface: 10, Revision: 00
>> >         0x000c: BIST: 00, Header Type: 00, Latency Timer: 10,
>> >                 Cache Line Size: 00
>> >         0x0010: BAR mem 32bit addr: 0x80081000/0x00001000
>> >         0x0014: BAR empty (00000000)
>> >         0x0018: BAR empty (00000000)
>> >         0x001c: BAR empty (00000000)
>> >         0x0020: BAR empty (00000000)
>> >         0x0024: BAR empty (00000000)
>> >         0x0028: Cardbus CIS: 00000000
>> >         0x002c: Subsystem Vendor ID: 0000 Product ID: 0000
>> >         0x0030: Expansion ROM Base Address: 00000000
>> >         0x0038: 00000000
>> >         0x003c: Interrupt Pin: 01 Line: 00 Min Gnt: 03 Max Lat: 56
>> >         0x0050: Capability 0x01: Power Management
>> >                 State: D0
>> >         0x0000: 0026106b 02100006 0c031000 00001000
>> >         0x0010: 80081000 00000000 00000000 00000000
>> >         0x0020: 00000000 00000000 00000000 00000000
>> >         0x0030: 00000000 00000050 00000000 56030100
>> >         0x0040: 00000000 00000000 00000000 00000000
>> >         0x0050: 76020001 26002000 00000000 00000000
>> >         0x0060: 00000000 00000000 00000000 00000000
>> >         0x0070: 00000000 00000000 00000000 00000000
>> >         0x0080: 00000000 00000000 00000000 00000000
>> >         0x0090: 00000000 00000000 00000000 00000000
>> >         0x00a0: 00000000 00000000 00000000 00000000
>> >         0x00b0: 00000000 00000000 00000000 00000000
>> >         0x00c0: 00000000 00000000 00000000 00000000
>> >         0x00d0: 00000000 00000000 00000000 00000000
>> >         0x00e0: 00000000 00000000 00000000 00000000
>> >         0x00f0: 00000000 00000000 00000000 00000000
>> >  0:25:0: Apple Pangea USB
>> >         0x0000: Vendor ID: 106b, Product ID: 0026
>> >         0x0004: Command: 0006, Status: 0210
>> >         0x0008: Class: 0c Serial Bus, Subclass: 03 USB,
>> >                 Interface: 10, Revision: 00
>> >         0x000c: BIST: 00, Header Type: 00, Latency Timer: 10,
>> >                 Cache Line Size: 00
>> >         0x0010: BAR mem 32bit addr: 0x80080000/0x00001000
>> >         0x0014: BAR empty (00000000)
>> >         0x0018: BAR empty (00000000)
>> >         0x001c: BAR empty (00000000)
>> >         0x0020: BAR empty (00000000)
>> >         0x0024: BAR empty (00000000)
>> >         0x0028: Cardbus CIS: 00000000
>> >         0x002c: Subsystem Vendor ID: 0000 Product ID: 0000
>> >         0x0030: Expansion ROM Base Address: 00000000
>> >         0x0038: 00000000
>> >         0x003c: Interrupt Pin: 01 Line: 00 Min Gnt: 03 Max Lat: 56
>> >         0x0050: Capability 0x01: Power Management
>> >                 State: D0
>> >         0x0000: 0026106b 02100006 0c031000 00001000
>> >         0x0010: 80080000 00000000 00000000 00000000
>> >         0x0020: 00000000 00000000 00000000 00000000
>> >         0x0030: 00000000 00000050 00000000 56030100
>> >         0x0040: 00000000 00000000 00000000 00000000
>> >         0x0050: 76020001 26002000 00000000 00000000
>> >         0x0060: 00000000 00000000 00000000 00000000
>> >         0x0070: 00000000 00000000 00000000 00000000
>> >         0x0080: 00000000 00000000 00000000 00000000
>> >         0x0090: 00000000 00000000 00000000 00000000
>> >         0x00a0: 00000000 00000000 00000000 00000000
>> >         0x00b0: 00000000 00000000 00000000 00000000
>> >         0x00c0: 00000000 00000000 00000000 00000000
>> >         0x00d0: 00000000 00000000 00000000 00000000
>> >         0x00e0: 00000000 00000000 00000000 00000000
>> >         0x00f0: 00000000 00000000 00000000 00000000
>> > Domain /dev/pci2:
>> >  0:14:0: Apple Pangea FireWire
>> >         0x0000: Vendor ID: 106b, Product ID: 0030
>> >         0x0004: Command: 0016, Status: 02b0
>> >         0x0008: Class: 0c Serial Bus, Subclass: 00 FireWire,
>> >                 Interface: 10, Revision: 00
>> >         0x000c: BIST: 00, Header Type: 00, Latency Timer: 10,
>> >                 Cache Line Size: 08
>> >         0x0010: BAR mem 32bit addr: 0xf5000000/0x00001000
>> >         0x0014: BAR empty (00000000)
>> >         0x0018: BAR empty (00000000)
>> >         0x001c: BAR empty (00000000)
>> >         0x0020: BAR empty (00000000)
>> >         0x0024: BAR empty (00000000)
>> >         0x0028: Cardbus CIS: 00000000
>> >         0x002c: Subsystem Vendor ID: 106b Product ID: 0030
>> >         0x0030: Expansion ROM Base Address: 00000000
>> >         0x0038: 00000000
>> >         0x003c: Interrupt Pin: 01 Line: 00 Min Gnt: 0c Max Lat: 18
>> >         0x0044: Capability 0x01: Power Management
>> >                 State: D0
>> >         0x0000: 0030106b 02b00016 0c001000 00001008
>> >         0x0010: f5000000 00000000 00000000 00000000
>> >         0x0020: 00000000 00000000 00000000 0030106b
>> >         0x0030: 00000000 00000044 00000000 180c0100
>> >         0x0040: 00000000 7e020001 00000000 00000000
>> >         0x0050: 00000000 00000000 00000000 00000000
>> >         0x0060: 00000000 00000000 00000000 00000000
>> >         0x0070: 00000000 00000000 00000000 00000000
>> >         0x0080: 000393ff fe6a1d74 00000000 00000000
>> >         0x0090: 00000000 00000000 00000000 00000000
>> >         0x00a0: 00000000 00000000 00000000 00000000
>> >         0x00b0: 00000000 00000000 00000000 00000000
>> >         0x00c0: 00000000 00000000 00000000 00000000
>> >         0x00d0: 00000000 00000000 00000000 00000000
>> >         0x00e0: 00000000 00000000 00000000 00000000
>> >         0x00f0: 00000000 00000000 00000000 00000000
>> >  0:15:0: Apple Pangea GMAC
>> >         0x0000: Vendor ID: 106b, Product ID: 0024
>> >         0x0004: Command: 0016, Status: 84a0
>> >         0x0008: Class: 02 Network, Subclass: 00 Ethernet,
>> >                 Interface: 00, Revision: 00
>> >         0x000c: BIST: 00, Header Type: 00, Latency Timer: 10,
>> >                 Cache Line Size: 08
>> >         0x0010: BAR mem 32bit addr: 0xf5200000/0x00200000
>> >         0x0014: BAR empty (00000000)
>> >         0x0018: BAR empty (00000000)
>> >         0x001c: BAR empty (00000000)
>> >         0x0020: BAR empty (00000000)
>> >         0x0024: BAR empty (00000000)
>> >         0x0028: Cardbus CIS: 00000000
>> >         0x002c: Subsystem Vendor ID: 0000 Product ID: 0000
>> >         0x0030: Expansion ROM Base Address: f5100000
>> >         0x0038: 00000000
>> >         0x003c: Interrupt Pin: 01 Line: ff Min Gnt: 40 Max Lat: 40
>> >         0x0000: 0024106b 84a00016 02000000 00001008
>> >         0x0010: f5200000 00000000 00000000 00000000
>> >         0x0020: 00000000 00000000 00000000 00000000
>> >         0x0030: f5100000 00000000 00000000 404001ff
>> >         0x0040: 00000000 00000000 00000000 00000000
>> >         0x0050: 00000000 00000000 00000000 00000000
>> >         0x0060: 00000000 00000000 00000000 00000000
>> >         0x0070: 00000000 00000000 00000000 00000000
>> >         0x0080: 00000000 00000000 00000000 00000000
>> >         0x0090: 00000000 00000000 00000000 00000000
>> >         0x00a0: 00000000 00000000 00000000 00000000
>> >         0x00b0: 00000000 00000000 00000000 00000000
>> >         0x00c0: 00000000 00000000 00000000 00000000
>> >         0x00d0: 00000000 00000000 00000000 00000000
>> >         0x00e0: 00000000 00000000 00000000 00000000
>> >         0x00f0: 00000000 00000000 00000000 00000000
>> > 
>> > acpidump:
>> > 
>> 
>