Hi, Is there a limit on number of vio devices? This is my 13th vio device
virtio16 at pci0 dev 19 function 0 "Qumranet Virtio Network" rev 0x00 vio12 at virtio16: 4 queues, address 00:1a:4a:34:9f:60 failed to allocate interrupt slot for PIC msix pin -2147444734 vio12[2]: couldn't establish msix interrupt vio12: cannot alloc q0 intr: 12 virtio16: virtio configuration failed OpenBSD 7.8 (GENERIC.MP) #54: Sun Oct 12 12:58:11 MDT 2025 [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 2130554880 (2031MB) avail mem = 2039459840 (1944MB) random: good seed from bootblocks mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.8 @ 0x7ffffd10 (12 entries) bios0: vendor SeaBIOS version "1.16.0-4.module+el8.9.0+1408+7b966129" date 04/01/2014 bios0: oVirt RHEL acpi0 at bios0: ACPI 1.0 acpi0: sleep states S5 acpi0: tables DSDT FACP APIC SRAT WAET acpi0: wakeup devices acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel Xeon E312xx (Sandy Bridge), 2400.43 MHz, 06-2a-01 cpu0: cpuid 1 edx=78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2> ecx=97b82203<SSE3,PCLMUL,SSSE3,CX16,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,HV> cpu0: cpuid 6 eax=4<ARAT> cpu0: cpuid d.1 eax=1<XSAVEOPT> cpu0: cpuid 80000001 edx=28100800<NXE,RDTSCP,LONG> ecx=1<LAHF> cpu0: MELTDOWN cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 4MB 64b/line 16-way L2 cache, 16MB 64b/line 16-way L3 cache cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 1000MHz cpu1 at mainbus0: apid 1 (application processor) cpu1: Intel Xeon E312xx (Sandy Bridge), 2400.27 MHz, 06-2a-01 cpu1: smt 0, core 0, package 1 cpu2 at mainbus0: apid 2 (application processor) cpu2: Intel Xeon E312xx (Sandy Bridge), 2400.29 MHz, 06-2a-01 cpu2: smt 0, core 0, package 2 cpu3 at mainbus0: apid 3 (application processor) cpu3: Intel Xeon E312xx (Sandy Bridge), 2400.50 MHz, 06-2a-01 cpu3: smt 0, core 0, package 3 ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins acpiprt0 at acpi0: bus 0 (PCI0) "ACPI0006" at acpi0 not configured acpipci0 at acpi0 PCI0 "PNP0303" at acpi0 not configured "PNP0F13" at acpi0 not configured acpicmos0 at acpi0 "PNP0A06" at acpi0 not configured "PNP0A06" at acpi0 not configured "PNP0A06" at acpi0 not configured "PNP0A06" at acpi0 not configured "QEMU0002" at acpi0 not configured "ACPI0010" at acpi0 not configured "PNP0A06" at acpi0 not configured acpicpu0 at acpi0: C1(@1 halt!) acpicpu1 at acpi0: C1(@1 halt!) acpicpu2 at acpi0: C1(@1 halt!) acpicpu3 at acpi0: C1(@1 halt!) cpu0: using IvyBridge MDS workaround pvbus0 at mainbus0: KVM pvclock0 at pvbus0 pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02 pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00 pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility pciide0: channel 0 disabled (no drives) atapiscsi0 at pciide0 channel 1 drive 0 scsibus1 at atapiscsi0: 2 targets cd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable cd0(pciide0:1:0): using PIO mode 4, DMA mode 2 uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11 piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9 iic0 at piixpm0 vga1 at pci0 dev 2 function 0 "Red Hat QXL Video" rev 0x04 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00 vio0 at virtio0: 4 queues, address 00:1a:4a:34:9f:29 virtio0: msix virtio1 at pci0 dev 4 function 0 "Qumranet Virtio Network" rev 0x00 vio1 at virtio1: 4 queues, address 00:1a:4a:34:9f:2a virtio1: msix virtio2 at pci0 dev 5 function 0 "Qumranet Virtio Console" rev 0x00 virtio2: no matching child driver; not configured virtio3 at pci0 dev 6 function 0 "Qumranet Virtio SCSI" rev 0x00 vioscsi0 at virtio3: qsize 128 virtio3: msix per-VQ scsibus2 at vioscsi0: 255 targets sd0 at scsibus2 targ 0 lun 0: <QEMU, QEMU HARDDISK, 2.5+> serial.QEMU_QEMU_HARDDISK_d3ed3fff-a470-482b-ad97-985024683573 sd0: 12288MB, 512 bytes/sector, 25165824 sectors, thin virtio4 at pci0 dev 7 function 0 "Qumranet Virtio Memory Balloon" rev 0x00 viomb0 at virtio4 virtio4: apic 0 int 11 virtio5 at pci0 dev 8 function 0 "Qumranet Virtio Network" rev 0x00 vio2 at virtio5: 4 queues, address 00:1a:4a:34:9f:1f virtio5: msix virtio6 at pci0 dev 9 function 0 "Qumranet Virtio Network" rev 0x00 vio3 at virtio6: 4 queues, address 00:1a:4a:34:9f:23 virtio6: msix virtio7 at pci0 dev 10 function 0 "Qumranet Virtio Network" rev 0x00 vio4 at virtio7: 4 queues, address 00:1a:4a:34:9f:27 virtio7: msix virtio8 at pci0 dev 11 function 0 "Qumranet Virtio Network" rev 0x00 vio5 at virtio8: 4 queues, address 00:1a:4a:34:9f:2d virtio8: msix virtio9 at pci0 dev 12 function 0 "Qumranet Virtio Network" rev 0x00 vio6 at virtio9: 4 queues, address 00:1a:4a:34:9f:36 virtio9: msix virtio10 at pci0 dev 13 function 0 "Qumranet Virtio Network" rev 0x00 vio7 at virtio10: 4 queues, address 00:1a:4a:34:9f:38 virtio10: msix virtio11 at pci0 dev 14 function 0 "Qumranet Virtio Network" rev 0x00 vio8 at virtio11: 4 queues, address 00:1a:4a:34:9f:40 virtio11: msix virtio12 at pci0 dev 15 function 0 "Qumranet Virtio Network" rev 0x00 vio9 at virtio12: 4 queues, address 00:1a:4a:34:9f:3f virtio12: msix virtio13 at pci0 dev 16 function 0 "Qumranet Virtio Network" rev 0x00 vio10 at virtio13: 4 queues, address 00:1a:4a:34:9f:41 virtio13: msix virtio14 at pci0 dev 17 function 0 "Qumranet Virtio Network" rev 0x00 vio11 at virtio14: 4 queues, address 00:1a:4a:34:9f:4f virtio14: msix virtio15 at pci0 dev 18 function 0 "Qumranet Virtio RNG" rev 0x00 viornd0 at virtio15 virtio15: apic 0 int 10 virtio16 at pci0 dev 19 function 0 "Qumranet Virtio Network" rev 0x00 vio12 at virtio16: 4 queues, address 00:1a:4a:34:9f:60 failed to allocate interrupt slot for PIC msix pin -2147444734 vio12[2]: couldn't establish msix interrupt vio12: cannot alloc q0 intr: 12 virtio16: virtio configuration failed isa0 at pcib0 isadma0 at isa0 fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pckbd0 at pckbc0 (kbd slot) wskbd0 at pckbd0: console keyboard, using wsdisplay0 pms0 at pckbc0 (aux slot) wsmouse0 at pms0 mux 0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 usb0 at uhci0: USB revision 1.0 uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" rev 2.00/0.00 addr 2 uhidev0: iclass 3/0 ums0 at uhidev0: 3 buttons, Z dir wsmouse1 at ums0 mux 0 vscsi0 at root scsibus3 at vscsi0: 256 targets softraid0 at root scsibus4 at softraid0: 256 targets root on sd0a (9284abfc8afc5b57.a) swap on sd0b dump on sd0b carp: pfsync0 demoted group carp by 1 to 129 (pfsync up) carp: pfsync0 demoted group pfsync by 1 to 1 (pfsync up) carp: pfsync0 demoted group carp by 32 to 161 (pfsync start) carp: pfsync0 demoted group pfsync by 32 to 33 (pfsync start) carp: pfsync0 demoted group carp by -1 to 160 (pfsync link) carp: pfsync0 demoted group pfsync by -1 to 32 (pfsync link) carp0: state transition: INIT -> BACKUP carp0: state transition: BACKUP -> INIT carp0: state transition: INIT -> BACKUP carp0: state transition: BACKUP -> INIT carp0: state transition: INIT -> BACKUP carp0: state transition: BACKUP -> INIT carp0: state transition: INIT -> BACKUP carp0: state transition: BACKUP -> INIT carp0: state transition: INIT -> BACKUP carp10: state transition: INIT -> BACKUP carp11: state transition: INIT -> BACKUP carp2: state transition: INIT -> BACKUP carp3: state transition: INIT -> BACKUP carp3: state transition: BACKUP -> INIT carp3: state transition: INIT -> BACKUP carp4: state transition: INIT -> BACKUP carp4: state transition: BACKUP -> INIT carp4: state transition: INIT -> BACKUP carp5: state transition: INIT -> BACKUP carp6: state transition: INIT -> BACKUP carp7: state transition: INIT -> BACKUP carp8: state transition: INIT -> BACKUP carp9: state transition: INIT -> BACKUP fd0 at fdc0 drive 1: density unknown carp: pfsync0 demoted group carp by -32 to 0 (pfsync done) carp: pfsync0 demoted group pfsync by -32 to 0 (pfsync done) carp0: state transition: BACKUP -> INIT carp10: state transition: BACKUP -> INIT carp11: state transition: BACKUP -> INIT carp2: state transition: BACKUP -> INIT carp3: state transition: BACKUP -> INIT carp4: state transition: BACKUP -> INIT carp5: state transition: BACKUP -> INIT carp6: state transition: BACKUP -> INIT carp7: state transition: BACKUP -> INIT carp8: state transition: BACKUP -> INIT carp9: state transition: BACKUP -> INIT syncing disks... done carp: carp0 demoted group carp by 1 to 1 (carpdev) carp: carp0 demoted group 0relay by 1 to 1 (carpdev) carp: carp2 demoted group carp by 1 to 2 (carpdev) carp: carp2 demoted group 0relay by 1 to 2 (carpdev) carp: carp2 demoted group radius by 1 to 1 (carpdev) carp: carp3 demoted group carp by 1 to 3 (carpdev) carp: carp3 demoted group 0relay by 1 to 3 (carpdev) carp: carp3 demoted group mx by 1 to 1 (carpdev) carp: carp4 demoted group carp by 1 to 4 (carpdev) carp: carp4 demoted group 0relay by 1 to 4 (carpdev) carp: carp4 demoted group mail by 1 to 1 (carpdev) carp: carp5 demoted group carp by 1 to 5 (carpdev) carp: carp5 demoted group 0relay by 1 to 5 (carpdev) carp: carp5 demoted group db by 1 to 1 (carpdev) carp: carp6 demoted group carp by 1 to 6 (carpdev) carp: carp6 demoted group 0relay by 1 to 6 (carpdev) carp: carp6 demoted group db-cl by 1 to 1 (carpdev) carp: carp7 demoted group carp by 1 to 7 (carpdev) carp: carp7 demoted group dns by 1 to 1 (carpdev) carp: carp8 demoted group carp by 1 to 8 (carpdev) carp: carp8 demoted group dns by 1 to 2 (carpdev) carp: carp9 demoted group carp by 1 to 9 (carpdev) carp: carp9 demoted group 0relay by 1 to 7 (carpdev) carp: carp9 demoted group imap by 1 to 1 (carpdev) carp: carp10 demoted group carp by 1 to 10 (carpdev) carp: carp10 demoted group 0relay by 1 to 8 (carpdev) carp: carp10 demoted group dir by 1 to 1 (carpdev) carp: carp11 demoted group carp by 1 to 11 (carpdev) carp: carp11 demoted group 0relay by 1 to 9 (carpdev) carp: carp11 demoted group ldap by 1 to 1 (carpdev) rebooting... OpenBSD 7.8 (GENERIC.MP) #1: Sat Nov 29 11:02:59 MST 2025 [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 2130554880 (2031MB) avail mem = 2039427072 (1944MB) random: good seed from bootblocks mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.8 @ 0x7ffffd10 (12 entries) bios0: vendor SeaBIOS version "1.16.0-4.module+el8.9.0+1408+7b966129" date 04/01/2014 bios0: oVirt RHEL acpi0 at bios0: ACPI 1.0 acpi0: sleep states S5 acpi0: tables DSDT FACP APIC SRAT WAET acpi0: wakeup devices acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel Xeon E312xx (Sandy Bridge), 2400.45 MHz, 06-2a-01 cpu0: cpuid 1 edx=78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2> ecx=97b82203<SSE3,PCLMUL,SSSE3,CX16,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,HV> cpu0: cpuid 6 eax=4<ARAT> cpu0: cpuid d.1 eax=1<XSAVEOPT> cpu0: cpuid 80000001 edx=28100800<NXE,RDTSCP,LONG> ecx=1<LAHF> cpu0: MELTDOWN cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 4MB 64b/line 16-way L2 cache, 16MB 64b/line 16-way L3 cache cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 1000MHz cpu1 at mainbus0: apid 1 (application processor) cpu1: Intel Xeon E312xx (Sandy Bridge), 2400.38 MHz, 06-2a-01 cpu1: smt 0, core 0, package 1 cpu2 at mainbus0: apid 2 (application processor) cpu2: Intel Xeon E312xx (Sandy Bridge), 2400.45 MHz, 06-2a-01 cpu2: smt 0, core 0, package 2 cpu3 at mainbus0: apid 3 (application processor) cpu3: Intel Xeon E312xx (Sandy Bridge), 2400.50 MHz, 06-2a-01 cpu3: smt 0, core 0, package 3 ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins acpiprt0 at acpi0: bus 0 (PCI0) "ACPI0006" at acpi0 not configured acpipci0 at acpi0 PCI0 "PNP0303" at acpi0 not configured "PNP0F13" at acpi0 not configured acpicmos0 at acpi0 "PNP0A06" at acpi0 not configured "PNP0A06" at acpi0 not configured "PNP0A06" at acpi0 not configured "PNP0A06" at acpi0 not configured "QEMU0002" at acpi0 not configured "ACPI0010" at acpi0 not configured "PNP0A06" at acpi0 not configured acpicpu0 at acpi0: C1(@1 halt!) acpicpu1 at acpi0: C1(@1 halt!) acpicpu2 at acpi0: C1(@1 halt!) acpicpu3 at acpi0: C1(@1 halt!) cpu0: using IvyBridge MDS workaround pvbus0 at mainbus0: KVM pvclock0 at pvbus0 pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02 pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00 pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility pciide0: channel 0 disabled (no drives) atapiscsi0 at pciide0 channel 1 drive 0 scsibus1 at atapiscsi0: 2 targets cd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable cd0(pciide0:1:0): using PIO mode 4, DMA mode 2 uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11 piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9 iic0 at piixpm0 vga1 at pci0 dev 2 function 0 "Red Hat QXL Video" rev 0x04 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00 vio0 at virtio0: 4 queues, address 00:1a:4a:34:9f:29 virtio0: msix virtio1 at pci0 dev 4 function 0 "Qumranet Virtio Network" rev 0x00 vio1 at virtio1: 4 queues, address 00:1a:4a:34:9f:2a virtio1: msix virtio2 at pci0 dev 5 function 0 "Qumranet Virtio Console" rev 0x00 virtio2: no matching child driver; not configured virtio3 at pci0 dev 6 function 0 "Qumranet Virtio SCSI" rev 0x00 vioscsi0 at virtio3: qsize 128 virtio3: msix per-VQ scsibus2 at vioscsi0: 255 targets sd0 at scsibus2 targ 0 lun 0: <QEMU, QEMU HARDDISK, 2.5+> serial.QEMU_QEMU_HARDDISK_d3ed3fff-a470-482b-ad97-985024683573 sd0: 12288MB, 512 bytes/sector, 25165824 sectors, thin virtio4 at pci0 dev 7 function 0 "Qumranet Virtio Memory Balloon" rev 0x00 viomb0 at virtio4 virtio4: apic 0 int 11 virtio5 at pci0 dev 8 function 0 "Qumranet Virtio Network" rev 0x00 vio2 at virtio5: 4 queues, address 00:1a:4a:34:9f:1f virtio5: msix virtio6 at pci0 dev 9 function 0 "Qumranet Virtio Network" rev 0x00 vio3 at virtio6: 4 queues, address 00:1a:4a:34:9f:23 virtio6: msix virtio7 at pci0 dev 10 function 0 "Qumranet Virtio Network" rev 0x00 vio4 at virtio7: 4 queues, address 00:1a:4a:34:9f:27 virtio7: msix virtio8 at pci0 dev 11 function 0 "Qumranet Virtio Network" rev 0x00 vio5 at virtio8: 4 queues, address 00:1a:4a:34:9f:2d virtio8: msix virtio9 at pci0 dev 12 function 0 "Qumranet Virtio Network" rev 0x00 vio6 at virtio9: 4 queues, address 00:1a:4a:34:9f:36 virtio9: msix virtio10 at pci0 dev 13 function 0 "Qumranet Virtio Network" rev 0x00 vio7 at virtio10: 4 queues, address 00:1a:4a:34:9f:38 virtio10: msix virtio11 at pci0 dev 14 function 0 "Qumranet Virtio Network" rev 0x00 vio8 at virtio11: 4 queues, address 00:1a:4a:34:9f:40 virtio11: msix virtio12 at pci0 dev 15 function 0 "Qumranet Virtio Network" rev 0x00 vio9 at virtio12: 4 queues, address 00:1a:4a:34:9f:3f virtio12: msix virtio13 at pci0 dev 16 function 0 "Qumranet Virtio Network" rev 0x00 vio10 at virtio13: 4 queues, address 00:1a:4a:34:9f:41 virtio13: msix virtio14 at pci0 dev 17 function 0 "Qumranet Virtio Network" rev 0x00 vio11 at virtio14: 4 queues, address 00:1a:4a:34:9f:4f virtio14: msix virtio15 at pci0 dev 18 function 0 "Qumranet Virtio RNG" rev 0x00 viornd0 at virtio15 virtio15: apic 0 int 10 virtio16 at pci0 dev 19 function 0 "Qumranet Virtio Network" rev 0x00 vio12 at virtio16: 4 queues, address 00:1a:4a:34:9f:60 failed to allocate interrupt slot for PIC msix pin -2147444734 vio12[2]: couldn't establish msix interrupt vio12: cannot alloc q0 intr: 12 virtio16: virtio configuration failed isa0 at pcib0 isadma0 at isa0 fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pckbd0 at pckbc0 (kbd slot) wskbd0 at pckbd0: console keyboard, using wsdisplay0 pms0 at pckbc0 (aux slot) wsmouse0 at pms0 mux 0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 usb0 at uhci0: USB revision 1.0 uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" rev 2.00/0.00 addr 2 uhidev0: iclass 3/0 ums0 at uhidev0: 3 buttons, Z dir wsmouse1 at ums0 mux 0 vscsi0 at root scsibus3 at vscsi0: 256 targets softraid0 at root scsibus4 at softraid0: 256 targets root on sd0a (9284abfc8afc5b57.a) swap on sd0b dump on sd0b
