It's probably worth capturing output of route -n monitor while this is happening.
Userland-triggerable kernel panic is definitely a bug of some sort, so please send it to bugs@. On 2020-04-01, Bastien Durel <bast...@durel.org> wrote: > Hello, > > I tried to replace ospfd & ospf6d by bird, as they don't seem to handle > wireguard tunnels well, but soon after bird starts (or stops), I get a > panic (copied from console): > > fremen# /etc/rc.d/bird stop > > birduvm_fault(0xfffffd813f96b000, 0x18, 0, 1) -> e > fatal page fault in supervisor mode > trap type 6 code 0 rip ffffffff81a49c6b cs 8 rflags 10206 cr2 18 cpl 0 rsp > ffff8000336d08c0 > gsbase 0xffffffff81f44ff0 kgsbase 0x0 > panic: trap type 6, code=0, pc=ffffffff81a49c6b > Starting stack trace... > panic() at panic+0x11b > kerntrap(ffff8000336d0810) at kerntrap+0x114 > alltraps_kern_meltdown(6,28001,0,0,ffff8000015b2dd0,18) at > alltraps_kern_meltdown+0x7b > ml_purge(18) at ml_purge+0x1b > arp_rtrequest() at arp_rtrequest+0x180 > rtm_output(ffff8000014b6600,ffff8000336d0ad0,ffff8000336d0a28,40,0) at > rtm_output+0x41d > route_output(fffffd808b525500,fffffd813212c090,0,0) at route_output+0x329 > route_usrreq(fffffd813212c090,9,fffffd808b525500,0,0,ffff800033566548) at > route_usrreq+0x207 > sosend(fffffd813212c090,0,ffff8000336d0d28,0,0,80) at sosend+0x383 > dofilewritev(ffff800033566548,5,ffff8000336d0d28,0,ffff8000336d0e00) at > dofilewritev+0xf9 > sys_write(ffff800033566548,ffff8000336d0da0,ffff8000336d0e00) at > sys_write+0x51 > syscall(ffff8000336d0e70) at syscall+0x389 > Xsyscall(6,4,1eee94104820,4,1eee9c8370d8,1eeec4584c80) at Xsyscall+0x128 > end of kernel > end trace frame: 0x7f7fffff62c0, count: 244 > End of stack trace. > syncing disks...10 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 giving up > > Here is the dmesg : > > [...] > arpresolve: 10.42.42.0: route contains no arp information > arpresolve: 10.42.42.0: route contains no arp information > arpresolve: 10.42.42.0: route contains no arp information > uvm_fault(0xfffffd813f96b000, 0x18, 0, 1) -> e > fatal page fault in supervisor mode > trap type 6 code 0 rip ffffffff81a49c6b cs 8 rflags 10206 cr2 18 cpl 0 rsp > ffff8000336d08c0 > gsbase 0xffffffff81f44ff0 kgsbase 0x0 > panic: trap type 6, code=0, pc=ffffffff81a49c6b > Starting stack trace... > panic() at panic+0x11b > kerntrap(ffff8000336d0810) at kerntrap+0x114 > alltraps_kern_meltdown(6,28001,0,0,ffff8000015b2dd0,18) at > alltraps_kern_meltdown+0x7b > ml_purge(18) at ml_purge+0x1b > arp_rtrequest() at arp_rtrequest+0x180 > rtm_output(ffff8000014b6600,ffff8000336d0ad0,ffff8000336d0a28,40,0) at > rtm_output+0x41d > route_output(fffffd808b525500,fffffd813212c090,0,0) at route_output+0x329 > route_usrreq(fffffd813212c090,9,fffffd808b525500,0,0,ffff800033566548) at > route_usrreq+0x207 > sosend(fffffd813212c090,0,ffff8000336d0d28,0,0,80) at sosend+0x383 > dofilewritev(ffff800033566548,5,ffff8000336d0d28,0,ffff8000336d0e00) at > dofilewritev+0xf9 > sys_write(ffff800033566548,ffff8000336d0da0,ffff8000336d0e00) at > sys_write+0x51 > syscall(ffff8000336d0e70) at syscall+0x389 > Xsyscall(6,4,1eee94104820,4,1eee9c8370d8,1eeec4584c80) at Xsyscall+0x128 > end of kernel > end trace frame: 0x7f7fffff62c0, count: 244 > End of stack trace. > syncing disks...presolve: 10.42.42.0: route contains no arp informat > OpenBSD 6.6 (GENERIC.MP) #7: Thu Mar 12 11:55:22 MDT 2020 > > r...@syspatch-66-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > real mem = 4196302848 (4001MB) > avail mem = 4056403968 (3868MB) > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.8 @ 0x8ce22000 (85 entries) > bios0: vendor American Megatrends Inc. version "5.12" date 11/23/2018 > bios0: Default string Default string > acpi0 at bios0: ACPI 6.0 > acpi0: sleep states S0 S3 S5 > acpi0: tables DSDT FACP APIC FPDT FIDT MCFG SSDT SSDT HPET SSDT SSDT UEFI > SSDT LPIT SSDT SSDT SSDT SSDT DBGP DBG2 SSDT DMAR ASF! WSMT > acpi0: wakeup devices RP09(S3) PXSX(S3) RP10(S3) PXSX(S3) RP11(S3) PXSX(S3) > RP12(S3) PXSX(S3) RP13(S3) PXSX(S3) RP01(S3) PXSX(S3) RP02(S3) PXSX(S3) > RP03(S3) PXSX(S3) [...] > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Intel(R) Celeron(R) CPU 3855U @ 1.60GHz, 1596.83 MHz, 06-4e-03 > cpu0: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,ERMS,INVPCID,RDSEED,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN > cpu0: 256KB 64b/line 8-way L2 cache > cpu0: smt 0, core 0, package 0 > mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges > cpu0: apic clock running at 24MHz > cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE > cpu1 at mainbus0: apid 2 (application processor) > cpu1: Intel(R) Celeron(R) CPU 3855U @ 1.60GHz, 1596.29 MHz, 06-4e-03 > cpu1: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,ERMS,INVPCID,RDSEED,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN > cpu1: 256KB 64b/line 8-way L2 cache > cpu1: smt 0, core 1, package 0 > ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins > acpimcfg0 at acpi0 > acpimcfg0: addr 0xe0000000, bus 0-255 > acpihpet0 at acpi0: 23999999 Hz > acpiprt0 at acpi0: bus 0 (PCI0) > acpiprt1 at acpi0: bus -1 (PEG0) > acpiprt2 at acpi0: bus -1 (PEG1) > acpiprt3 at acpi0: bus -1 (PEG2) > acpiprt4 at acpi0: bus -1 (RP09) > acpiprt5 at acpi0: bus -1 (RP10) > acpiprt6 at acpi0: bus -1 (RP11) > acpiprt7 at acpi0: bus -1 (RP12) > acpiprt8 at acpi0: bus -1 (RP13) > acpiprt9 at acpi0: bus 1 (RP01) > acpiprt10 at acpi0: bus 2 (RP02) > acpiprt11 at acpi0: bus 3 (RP03) > acpiprt12 at acpi0: bus 4 (RP04) > acpiprt13 at acpi0: bus 5 (RP05) > acpiprt14 at acpi0: bus 6 (RP06) > acpiprt15 at acpi0: bus -1 (RP07) > acpiprt16 at acpi0: bus -1 (RP08) > acpiprt17 at acpi0: bus -1 (RP17) > acpiprt18 at acpi0: bus -1 (RP18) > acpiprt19 at acpi0: bus -1 (RP19) > acpiprt20 at acpi0: bus -1 (RP20) > acpiprt21 at acpi0: bus -1 (RP21) > acpiprt22 at acpi0: bus -1 (RP22) > acpiprt23 at acpi0: bus -1 (RP23) > acpiprt24 at acpi0: bus -1 (RP24) > acpiprt25 at acpi0: bus -1 (RP14) > acpiprt26 at acpi0: bus -1 (RP15) > acpiprt27 at acpi0: bus -1 (RP16) > acpiec0 at acpi0: not present > acpicpu0 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu1 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpipwrres0 at acpi0: FN00, resource for FAN0 > acpipwrres1 at acpi0: FN01, resource for FAN1 > acpipwrres2 at acpi0: FN02, resource for FAN2 > acpipwrres3 at acpi0: FN03, resource for FAN3 > acpipwrres4 at acpi0: FN04, resource for FAN4 > acpitz0 at acpi0: critical temperature is 119 degC > acpitz1 at acpi0: critical temperature is 119 degC > acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001 > acpicmos0 at acpi0 > "INT344B" at acpi0 not configured > acpibtn0 at acpi0: SLPB > "PNP0C14" at acpi0 not configured > "INT33A1" at acpi0 not configured > acpibtn1 at acpi0: PWRB > "PNP0C0B" at acpi0 not configured > "PNP0C0B" at acpi0 not configured > "PNP0C0B" at acpi0 not configured > "PNP0C0B" at acpi0 not configured > "PNP0C0B" at acpi0 not configured > acpivideo0 at acpi0: GFX0 > acpivout0 at acpivideo0: DD1F > cpu0: using VERW MDS workaround (except on vmm entry) > cpu0: Enhanced SpeedStep 1596 MHz: speeds: 1601, 1600, 1500, 1400, 1300, > 1200, 1100, 1000, 900, 800, 700, 600, 500, 400 MHz > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel Core 6G Host" rev 0x08 > inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 510" rev 0x07 > drm0 at inteldrm0 > inteldrm0: msi > "Intel Core GMM" rev 0x00 at pci0 dev 8 function 0 not configured > xhci0 at pci0 dev 20 function 0 "Intel 100 Series xHCI" rev 0x21: msi, xHCI > 1.0 > usb0 at xhci0: USB revision 3.0 > uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 > addr 1 > pchtemp0 at pci0 dev 20 function 2 "Intel 100 Series Thermal" rev 0x21 > dwiic0 at pci0 dev 21 function 0 "Intel 100 Series I2C" rev 0x21: apic 2 int > 16 > iic0 at dwiic0 > dwiic1 at pci0 dev 21 function 1 "Intel 100 Series I2C" rev 0x21: apic 2 int > 17 > iic1 at dwiic1 > "Intel 100 Series MEI" rev 0x21 at pci0 dev 22 function 0 not configured > ahci0 at pci0 dev 23 function 0 "Intel 100 Series AHCI" rev 0x21: msi, AHCI > 1.3.1 > ahci0: PHY offline on port 0 > ahci0: port 1: 6.0Gb/s > scsibus1 at ahci0: 32 targets > sd0 at scsibus1 targ 1 lun 0: <ATA, KINGSTON SMS200S, 600A> > naa.50026b7253081a83 > sd0: 28626MB, 512 bytes/sector, 58626288 sectors, thin > ppb0 at pci0 dev 28 function 0 "Intel 100 Series PCIE" rev 0xf1: msi > pci1 at ppb0 bus 1 > em0 at pci1 dev 0 function 0 "Intel I211" rev 0x03: msi, address > 40:62:31:01:4b:65 > ppb1 at pci0 dev 28 function 1 "Intel 100 Series PCIE" rev 0xf1: msi > pci2 at ppb1 bus 2 > em1 at pci2 dev 0 function 0 "Intel I211" rev 0x03: msi, address > 40:62:31:01:4b:66 > ppb2 at pci0 dev 28 function 2 "Intel 100 Series PCIE" rev 0xf1: msi > pci3 at ppb2 bus 3 > em2 at pci3 dev 0 function 0 "Intel I211" rev 0x03: msi, address > 40:62:31:01:4b:67 > ppb3 at pci0 dev 28 function 3 "Intel 100 Series PCIE" rev 0xf1: msi > pci4 at ppb3 bus 4 > em3 at pci4 dev 0 function 0 "Intel I211" rev 0x03: msi, address > 40:62:31:01:4b:68 > ppb4 at pci0 dev 28 function 4 "Intel 100 Series PCIE" rev 0xf1: msi > pci5 at ppb4 bus 5 > em4 at pci5 dev 0 function 0 "Intel I211" rev 0x03: msi, address > 40:62:31:01:4b:69 > ppb5 at pci0 dev 28 function 5 "Intel 100 Series PCIE" rev 0xf1: msi > pci6 at ppb5 bus 6 > em5 at pci6 dev 0 function 0 "Intel I211" rev 0x03: msi, address > 40:62:31:01:4b:6a > "Intel 100 Series UART" rev 0x21 at pci0 dev 30 function 0 not configured > pcib0 at pci0 dev 31 function 0 "Intel 100 Series LPC" rev 0x21 > "Intel 100 Series PMC" rev 0x21 at pci0 dev 31 function 2 not configured > azalia0 at pci0 dev 31 function 3 "Intel 100 Series HD Audio" rev 0x21: msi > azalia0: no supported codecs > ichiic0 at pci0 dev 31 function 4 "Intel 100 Series SMBus" rev 0x21: apic 2 > int 16 > iic2 at ichiic0 > isa0 at pcib0 > isadma0 at isa0 > com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo > com0: console > com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > vmm0 at mainbus0: VMX/EPT > vscsi0 at root > scsibus2 at vscsi0: 256 targets > softraid0 at root > scsibus3 at softraid0: 256 targets > root on sd0a (d560a7ae33c40936.a) swap on sd0b dump on sd0b > WARNING: / was not properly unmounted > inteldrm0: 1024x768, 32bpp > wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation) > wsdisplay0: screen 1-5 added (std, vt100 emulation) > pppoe0: host unique tag found, but it belongs to a connection in state 3 > pppoe: received PADO but could not find request for it > > The network stops working as soon as I start bird, then the machine > crashes after a while, or when I stop bird from console. > > Do you have hints about these problems ? > > Thanks, >