Date: Fri, 14 Nov 2025 13:59:07 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 290997] [vmm]: PCI passthrough on AMD Ryzen 8700G not supported yet? (Variable size IVHD type 0xf0 not supported) Message-ID: <bug-290997-27103-8GlyNd5bEs@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-290997-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-290997-27103@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290997 --- Comment #2 from Nils Beyer <nbe@vkf-renzel.de> --- (In reply to Bjoern A. Zeeb from comment #1) I've set "hw.vmm.amdvi.enable=1" in "/boot/loader.conf" and rebooted - didn't try the kenv variant just to be sure. Now I get a "signal 4" abort: ------------------------------------ SNIP ------------------------------------ Nov 14 14:02:50: initialising Nov 14 14:02:50: [loader: grub] Nov 14 14:02:50: [cpu: 4] Nov 14 14:02:50: [memory: 8G] Nov 14 14:02:50: [hostbridge: standard] Nov 14 14:02:50: [com ports: com1] Nov 14 14:02:50: [uuid: ca7da59b-c08b-11f0-9b20-a0369fc3af60] Nov 14 14:02:50: [debug mode: yes] Nov 14 14:02:50: [primary disk: disk0.img] Nov 14 14:02:50: [primary disk dev: file] Nov 14 14:02:50: initialising network device tap0 Nov 14 14:02:50: adding tap0 -> vm-public (public addm) Nov 14 14:02:50: bring up tap0 -> vm-public (public addm) Nov 14 14:02:50: booting Nov 14 14:02:50: create file /mnt/vms/llm-test/device.map Nov 14 14:02:50: -> (cd0) /mnt/vms/.iso/debian-13.1.0-amd64-netinst.iso Nov 14 14:02:50: -> (hd0) /mnt/vms/llm-test/disk0.img Nov 14 14:02:50: /usr/local/sbin/grub-bhyve -c /dev/nmdm-llm-test.1A -S -m /mnt/vms/llm-test/device.map -M 8G -r cd0 llm-test Nov 14 14:02:51: [bhyve options: -c 4 -m 8G -AHPw -S -U ca7da59b-c08b-11f0-9b20-a0369fc3af60 -u -S] Nov 14 14:02:51: [bhyve devices: -s 0,hostbridge -s 31,lpc -s 4:0,ahci-hd,/mnt/vms/llm-test/disk0.img -s 5:0,virtio-net,tap0,mac=58:9c:fc:0a:14:b6 -s 6:0,passthru,3/0/0] Nov 14 14:02:51: [bhyve console: -l com1,/dev/nmdm-llm-test.1A] Nov 14 14:02:51: [bhyve iso device: -s 3:0,ahci-cd,/mnt/vms/.iso/debian-13.1.0-amd64-netinst.iso,ro] Nov 14 14:02:51: starting bhyve (run 1) Nov 14 14:02:51: bhyve exited with status 4 Nov 14 14:02:51: destroying network device tap0 Nov 14 14:02:51: stopped ------------------------------------ SNIP ------------------------------------ Without the "passthru"-option the VM starts fine. Do you need a coredump? How can I create one that is helpful - any special sysctls? -- You are receiving this mail because: You are the assignee for the bug.
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