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[107.215.223.229]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2698018a9b7sm115759275ad.61.2025.09.21.17.20.41 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 21 Sep 2025 17:20:42 -0700 (PDT) From: Bakul Shah Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.100.1.1.5\)) Subject: Assertion failed: (error == 0), function modify_bar_registration, file /usr/src/usr.sbin/bhyve/pci_emul.c, line 706. Message-Id: Date: Sun, 21 Sep 2025 17:20:30 -0700 To: Virtualisation on FreeBSD X-Mailer: Apple Mail (2.3864.100.1.1.5) X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.49 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.99)[-0.994]; MV_CASE(0.50)[]; DMARC_POLICY_ALLOW(-0.50)[iitbombay.org,quarantine]; R_DKIM_ALLOW(-0.20)[iitbombay.org:s=google]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_ONE(0.00)[1]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEFALL_USER(0.00)[bakul]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[freebsd-virtualization@freebsd.org]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::1033:from]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_TLS_LAST(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[iitbombay.org:+] X-Rspamd-Queue-Id: 4cVP0K4L5Hz3yDp On a 15.0-ALPHA3 host, bhyve fails when I try to start a 9front VM. Error: Assertion failed: (error =3D=3D 0), function modify_bar_registration, = file /usr/src/usr.sbin/bhyve/pci_emul.c, line 706. fbuf frame buffer base: 0x38bfae800000 [sz 33554432] I don't see any recent changes in bhyve/pci_emul.c recently. >>>This used to work fine when the same machine ran stable/14....<<< I can boot bsd and linux vms that I tried fine but not 9front. This is what I run: bhyve -c 1 \ -s 0,hostbridge \ -s 5,virtio-blk,9front.img \ -s 10,virtio-net,tap1,mac=3DXXXXXXXXXXXX \ -s 11,fbuf,tcp=3D0.0.0.0:5900,w=3D1920,h=3D1080,wait \ -s 20,xhci,tablet \ -s 31,lpc \ -l bootrom,/usr/local/share/uefi-firmware/BHYVE_UEFI.fd \ -m 4G -H -w \ 9front Any hints on how to debug this? Thanks, Bakul PS: stable/15 kernels also seem to be a bit unstable. Once in a while the machine just freezes. Happened twice in 4 days. Haven't looked into this yet.