Date: Fri, 22 May 2026 22:02:12 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: virtualization@freebsd.org Subject: Re: pci_passthru: unmap_pptdev_mmio failed: No such file or directory Message-ID: <516r368n-8574-2rp9-ross-p2575qo62oq@mnoonqbm.arg> In-Reply-To: <s2q01p9s-9qr4-5s25-7p18-366s837611p5@mnoonqbm.arg>
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On Fri, 22 May 2026, Bjoern A. Zeeb wrote: > Hi, > > after updating my current base system (unknown from what anymore) > I was restarting one of my development bhyves which has two > passthru (one wifi card and one full pci xhci). > > I am now getting: > > pci_passthru: unmap_pptdev_mmio failed: No such file or directory > pci_passthru: unmap_pptdev_mmio failed: No such file or directory > pci_passthru: unmap_pptdev_mmio failed: No such file or directory > > which is a fairly unhelpful message. Could at least tell the device > if not more... > > Anyone any ideas where this is from (or how to fix it)? So this comes from ppt.c in the kernel ppt_find(). I am a bit buffled given: [1.001385] ppt0 mem 0xe1320000-0xe132ffff at device 20.0 on pci0 [1.001386] ppt0: attached [1.001445] ppt1 mem 0xe1000000-0xe10fffff,0xe1100000-0xe1107fff at device 0.0 on pci2 [1.001446] ppt1: attached % pciconf -l | grep ppt ppt0@pci0:0:20:0: class=0x0c0330 rev=0x21 hdr=0x00 vendor=0x8086 device=0x9d2f subvendor=0x17aa subdevice=0x5062 ppt1@pci0:3:0:0: class=0x028000 rev=0x00 hdr=0x00 vendor=0x14c3 device=0x0616 subvendor=0x14c3 subdevice=0xe616 % sysctl hw.vmm.ppt hw.vmm.ppt.devices: 2 The config syas: pci.0.1.0.device=passthru pci.0.1.0.bus=0 pci.0.1.0.slot=20 pci.0.1.0.func=0 pci.0.2.0.device=passthru pci.0.2.0.bus=3 pci.0.2.0.slot=0 pci.0.2.0.func=0 pci.0.10.0.device=virtio-net pci.0.10.0.backend=tap3 Funny enough not even the network interface is available to netboot upon start. I'll keep digging but if someone has a clue to save me some time that would be appreciated. /bz -- Bjoern A. Zeeb r15:7home | help
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