On 20/05/25(Tue) 12:03, Alexander Bluhm wrote: > Hi, > > According to my regress statistics kernel crashes reliably since > May 16th. /usr/src/regress/misc/posixtestsuite/ triggers it.
I just reverted my May 16th UVM commit. Please let me know if that was the problem. Thanks. > > With a witness kernel on amd64: > > conformance/interfaces/mlockall/3-6: execution: witness: userret: returning > with the following locks held: > exclusive rwlock vmmaplk r = 0 (0xfffffd886974b6c8) > panic: witness_warn > Stopped at db_enter+0x14: popq %rbp > TID PID UID PRFLAGS PFLAGS CPU COMMAND > *434505 84452 0 0x3 0 1 3-6.test > db_enter() at db_enter+0x14 > panic(ffffffff82598df6) at panic+0xdd > witness_warn(2,0,ffffffff8255866e) at witness_warn+0x4c1 > userret(ffff80004986ad10) at userret+0x20b > syscall(ffff800049919910) at syscall+0x4e1 > Xsyscall() at Xsyscall+0x128 > end of kernel > end trace frame: 0x7f4a6c3c5560, count: 9 > https://www.openbsd.org/ddb.html describes the minimum info required in bug > reports. Insufficient info makes it difficult to find and fix bugs. > ddb{1}> > > ddb{1}> x/s version > version: OpenBSD 7.7-current (GENERIC.MP) #0: Mon May 19 06:27:15 CEST > 2025\012 > r...@ot29.obsd-lab.genua.de:/usr/src/sys/arch/amd64/compile/GENERIC.MP\012 > > ddb{1}> show panic > *cpu1: witness_warn > > ddb{1}> show locks > exclusive rwlock vmmaplk r = 0 (0xfffffd886974b6c8) > > ddb{1}> trace > db_enter() at db_enter+0x14 > panic(ffffffff82598df6) at panic+0xdd > witness_warn(2,0,ffffffff8255866e) at witness_warn+0x4c1 > userret(ffff80004986ad10) at userret+0x20b > syscall(ffff800049919910) at syscall+0x4e1 > Xsyscall() at Xsyscall+0x128 > end of kernel > end trace frame: 0x7f4a6c3c5560, count: -6 > > ddb{1}> show register > rdi 0 > rsi 0x10 > rbp 0xffff800049919690 > rbx 0xfffffd8100673f78 > rdx 0xfe00000000000000 > rcx 0x282 > rax 0x14 > r8 0x101010101010101 > r9 0 > r10 0x5691dc05ecb8eb03 > r11 0x371dd12ae53ff845 > r12 0xffff8000491d3bd8 > r13 0 > r14 0 > r15 0xffffffff82598df6 apollo_pio_rec+0x4696f > rip 0xffffffff82312984 db_enter+0x14 > cs 0x8 > rflags 0x202 > rsp 0xffff800049919690 > ss 0x10 > db_enter+0x14: popq %rbp > > ddb{1}> ps > PID TID PPID UID S FLAGS WAIT COMMAND > *84452 434505 98369 0 7 0x3 3-6.test > 98369 247795 14981 0 3 0x100089 sigsusp sh > 14981 465078 81129 0 3 0x10008b sigsusp sh > 81129 405462 82819 0 3 0x10008b sigsusp make > 17468 81617 55210 0 3 0x100083 ttyin ksh > 55210 84024 98886 0 3 0x98 kqread sshd-session > 98886 123197 94514 0 3 0x92 kqread sshd-session > 82819 395547 1 0 3 0x10008b sigsusp ksh > 76447 396975 1 0 3 0x100083 ttyin getty > 31039 166128 1 0 3 0x100083 ttyin getty > 6493 145286 1 0 3 0x100083 ttyin getty > 56195 228045 1 0 3 0x100083 ttyin getty > 27191 414554 1 0 3 0x100083 ttyin getty > 18453 16649 1 0 3 0x100098 kqread cron > 51113 405594 1 99 3 0x1100090 kqread sndiod > 93560 436927 1 110 3 0x100090 kqread sndiod > 67119 520997 42560 95 3 0x1100092 kqread smtpd > 64417 475636 42560 103 3 0x1100092 kqread smtpd > 55924 11752 42560 95 3 0x1100092 kqread smtpd > 28731 72964 42560 95 3 0x100092 kqread smtpd > 64019 339713 42560 95 3 0x1100092 kqread smtpd > 75937 228962 42560 95 3 0x1100092 kqread smtpd > 42560 308938 1 0 3 0x100080 kqread smtpd > 5059 356465 5170 91 3 0x92 kqread snmpd_metrics > 86847 140065 5170 91 3 0x1100092 kqread snmpd > 5170 331010 1 0 3 0x100080 kqread snmpd > 94514 293868 1 0 3 0x88 kqread sshd > 74071 268772 0 0 3 0x14200 acct acct > 71466 237360 0 0 3 0x14280 nfsidl nfsio > 6074 181111 0 0 3 0x14280 nfsidl nfsio > 67960 517285 0 0 3 0x14280 nfsidl nfsio > 10303 194209 0 0 3 0x14280 nfsidl nfsio > 22314 423426 1 0 3 0x100080 kqread ntpd > 18632 386620 48806 83 3 0x100092 kqread ntpd > 48806 220224 1 83 3 0x1100092 kqread ntpd > 99908 33055 23856 74 3 0x1100092 bpf pflogd > 23856 393568 1 0 3 0x80 sbwait pflogd > 30 110380 92435 73 3 0x1100090 kqread syslogd > 92435 74017 1 0 3 0x100082 sbwait syslogd > 82381 302521 1 0 3 0x100080 kqread resolvd > 3455 406714 31671 77 3 0x100092 kqread dhcpleased > 15883 381426 31671 77 3 0x100092 kqread dhcpleased > 31671 430467 1 0 3 0x80 kqread dhcpleased > 60929 352092 32060 115 3 0x100092 kqread slaacd > 84728 14047 32060 115 3 0x100092 kqread slaacd > 32060 238266 1 0 3 0x100080 kqread slaacd > 83416 458357 0 0 3 0x14200 bored smr > 61225 384901 0 0 3 0x14200 pgzero zerothread > 69329 477138 0 0 3 0x14200 aiodoned aiodoned > 56616 249144 0 0 3 0x14200 syncer update > 45465 45156 0 0 3 0x14200 cleaner cleaner > 58800 284002 0 0 3 0x14200 reaper reaper > 20709 381546 0 0 3 0x14200 pgdaemon pagedaemon > 28175 208152 0 0 3 0x14200 bored wsdisplay0 > 33045 419859 0 0 3 0x14200 mmctsk sdmmc0 > 70690 402689 0 0 3 0x14200 usbtsk usbtask > 32381 295538 0 0 3 0x14200 usbatsk usbatsk > 93479 294657 0 0 3 0x40014200 acpi0 acpi0 > 9704 481015 0 0 7 0x40014200 idle11 > 82527 68365 0 0 7 0x40014200 idle10 > 61171 232452 0 0 7 0x40014200 idle9 > 3443 24119 0 0 7 0x40014200 idle8 > 26036 151933 0 0 7 0x40014200 idle7 > 80803 315832 0 0 7 0x40014200 idle6 > 20776 80232 0 0 7 0x40014200 idle5 > 68767 511706 0 0 7 0x40014200 idle4 > 12903 222322 0 0 7 0x40014200 idle3 > 74535 7828 0 0 7 0x40014200 idle2 > 32661 453141 0 0 3 0x40014200 idle1 > 93559 387847 0 0 3 0x14200 bored sensors > 49087 459805 0 0 3 0x14200 bored softnet3 > 14479 53999 0 0 3 0x14200 bored softnet2 > 62703 10325 0 0 3 0x14200 bored softnet1 > 74620 200404 0 0 3 0x14200 bored softnet0 > 70546 476669 0 0 3 0x14200 bored systqmp > 22585 397076 0 0 3 0x14200 bored systq > 2472 18376 0 0 3 0x14200 tmoslp softclockmp > 34209 457318 0 0 3 0x40014200 tmoslp softclock > 10567 336211 0 0 7 0x40014200 idle0 > 1 75927 0 0 3 0x82 wait init > 0 0 -1 0 3 0x10200 scheduler swapper > > ddb{1}> show uvm > Current UVM status: > pagesize=4096 (0x1000), pagemask=0xfff, pageshift=12 > 7991816 VM pages: 12334 active, 16054 inactive, 2433 wired, 7701961 free > (963040 zero) > freemin=266393, free-target=355190, inactive-target=0, wired-max=2663938 > faults=2475349, traps=2162059, intrs=254596, ctxswitch=832390 fpuswitch=0 > softint=444336, syscalls=28991227, kmapent=13 > fault counts: > noram=0, noanon=0, noamap=0, pgwait=0, pgrele=0 > relocks=44958(1131), upgrades=0(0) anget(retries)=1522359(0), > amapcopy=982395 > neighbor anon/obj pg=391611/1193123, gets(lock/unlock)=397059/46092 > cases: anon=1244778, anoncow=277581, obj=336099, prcopy=59826, > przero=556981 > daemon and swap counts: > woke=0, revs=0, scans=0, obscans=0, anscans=0 > busy=0, freed=0, reactivate=0, deactivate=0 > pageouts=0, pending=0, nswget=0 > nswapdev=1 > swpages=8391416, swpginuse=0, swpgonly=0 paging=0 > kernel pointers: > objs(kern)=0xffffffff82b43650 > > ddb{0}> trace > x86_ipi_db(ffffffff829fbff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffffffff829fbff0) at sched_idle+0x288 > end trace frame: 0x0, count: -5 > > ddb{2}> trace > x86_ipi_db(ffff8000491dbff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > clockrequest_advance_random(ffff8000491dcdd8,789680,3fffff) at > clockrequest_advance_random+0x71 > statclock(ffff8000491dcdd8,ffff800049777e10,0) at statclock+0x59 > clockintr_dispatch(ffff800049777e10) at clockintr_dispatch+0x249 > lapic_clockintr(0,0) at lapic_clockintr+0x43 > Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffff8000491dbff0) at sched_idle+0x288 > end trace frame: 0x0, count: -10 > > ddb{3}> trace > x86_ipi_db(ffff8000491e4ff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > random() at random+0x43 > clockrequest_advance_random(ffff8000491e5dd8,789680,3fffff) at > clockrequest_advance_random+0x55 > statclock(ffff8000491e5dd8,ffff80004977e260,0) at statclock+0x59 > clockintr_dispatch(ffff80004977e260) at clockintr_dispatch+0x249 > lapic_clockintr(0,0) at lapic_clockintr+0x43 > Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffff8000491e4ff0) at sched_idle+0x288 > end trace frame: 0x0, count: -11 > > ddb{4}> trace > x86_ipi_db(ffff8000491edff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffff8000491edff0) at sched_idle+0x288 > end trace frame: 0x0, count: -5 > > ddb{5}> trace > x86_ipi_db(ffff8000491f6ff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > statclock(ffff8000491f7dd8,ffff80004978a740,0) at statclock+0x1c5 > clockintr_dispatch(ffff80004978a740) at clockintr_dispatch+0x249 > lapic_clockintr(0,0) at lapic_clockintr+0x43 > Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffff8000491f6ff0) at sched_idle+0x288 > end trace frame: 0x0, count: -9 > > ddb{6}> trace > x86_ipi_db(ffff8000491ffff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffff8000491ffff0) at sched_idle+0x288 > end trace frame: 0x0, count: -5 > > ddb{7}> trace > x86_ipi_db(ffff800049208ff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffff800049208ff0) at sched_idle+0x288 > end trace frame: 0x0, count: -5 > > ddb{8}> trace > x86_ipi_db(ffff800049211ff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > microuptime(c34cb23c84253684) at microuptime > sched_idle(ffff800049211ff0) at sched_idle+0x288 > end trace frame: 0x0, count: -5 > > ddb{9}> trace > x86_ipi_db(ffff80004921aff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffff80004921aff0) at sched_idle+0x288 > end trace frame: 0x0, count: -5 > > ddb{10}> trace > x86_ipi_db(ffff800049223ff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffff800049223ff0) at sched_idle+0x288 > end trace frame: 0x0, count: -5 > > ddb{11}> trace > x86_ipi_db(ffff80004922cff0) at x86_ipi_db+0x16 > x86_ipi_handler() at x86_ipi_handler+0x80 > Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 > acpicpu_idle() at acpicpu_idle+0x239 > sched_idle(ffff80004922cff0) at sched_idle+0x288 > end trace frame: 0x0, count: -5 > > OpenBSD 7.7-current (GENERIC.MP) #0: Mon May 19 06:27:15 CEST 2025 > r...@ot29.obsd-lab.genua.de:/usr/src/sys/arch/amd64/compile/GENERIC.MP > real mem = 34102808576 (32522MB) > avail mem = 32725336064 (31209MB) > random: good seed from bootblocks > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 3.2 @ 0x8eb96000 (46 entries) > bios0: vendor American Megatrends Inc. version "L2.41" date 03/22/2022 > bios0: genua E3C246D4M-4L > efi0 at bios0: UEFI 2.7 > efi0: American Megatrends rev 0x5000d > acpi0 at bios0: ACPI 6.1 > acpi0: sleep states S0 S4 S5 > acpi0: tables DSDT FACP APIC FPDT FIDT MCFG SPMI SSDT AAFT SSDT HPET SSDT > SSDT UEFI LPIT SSDT SSDT DBGP DBG2 SSDT DMAR SSDT SSDT EINJ ERST BERT HEST > WSMT > acpi0: wakeup devices UAR1(S4) RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) RP03(S4) > PXSX(S4) RP04(S4) PXSX(S4) RP05(S4) PXSX(S4) RP06(S4) PXSX(S4) RP07(S4) > PXSX(S4) RP08(S4) [...] > 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) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu0: cpuid 1 > edx=bfebfbff<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> > > ecx=77fafbff<SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND> > cpu0: cpuid 6 eax=27f7<SENSOR,ARAT> ecx=9<EFFFREQ> > cpu0: cpuid 7.0 > ebx=29c6fbb<FSGSBASE,TSC_ADJUST,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT> > edx=bc002e00<SRBDS_CTRL,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD> > cpu0: cpuid a vers=4, gp=4, gpwidth=48, ff=3, ffwidth=48 > cpu0: cpuid d.1 eax=f<XSAVEOPT,XSAVEC,XGETBV1,XSAVES> > cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> > ecx=121<LAHF,ABM,3DNOWP> > cpu0: cpuid 80000007 edx=100<ITSC> > cpu0: msr 10a=a000c04<RSBA,MISC_PKG_CT,ENERGY_FILT,GDS_CTRL,RFDS_NO> > cpu0: MELTDOWN > cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB > 64b/line 4-way L2 cache, 12MB 64b/line 16-way L3 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) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu1: smt 0, core 1, package 0 > cpu2 at mainbus0: apid 4 (application processor) > cpu2: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu2: smt 0, core 2, package 0 > cpu3 at mainbus0: apid 6 (application processor) > cpu3: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu3: smt 0, core 3, package 0 > cpu4 at mainbus0: apid 8 (application processor) > cpu4: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu4: smt 0, core 4, package 0 > cpu5 at mainbus0: apid 10 (application processor) > cpu5: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu5: smt 0, core 5, package 0 > cpu6 at mainbus0: apid 1 (application processor) > cpu6: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu6: smt 1, core 0, package 0 > cpu7 at mainbus0: apid 3 (application processor) > cpu7: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu7: smt 1, core 1, package 0 > cpu8 at mainbus0: apid 5 (application processor) > cpu8: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu8: smt 1, core 2, package 0 > cpu9 at mainbus0: apid 7 (application processor) > cpu9: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu9: smt 1, core 3, package 0 > cpu10 at mainbus0: apid 9 (application processor) > cpu10: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu10: smt 1, core 4, package 0 > cpu11 at mainbus0: apid 11 (application processor) > cpu11: Intel(R) Xeon(R) E-2236 CPU @ 3.40GHz, 3392.10 MHz, 06-9e-0a, patch > 000000fa > cpu11: smt 1, core 5, 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 2 (RP01) > acpiprt5 at acpi0: bus -1 (RP06) > acpiprt6 at acpi0: bus -1 (RP07) > acpiprt7 at acpi0: bus -1 (RP08) > acpiprt8 at acpi0: bus 3 (RP09) > acpiprt9 at acpi0: bus 4 (RP10) > acpiprt10 at acpi0: bus 5 (RP11) > acpiprt11 at acpi0: bus 6 (RP12) > acpiprt12 at acpi0: bus -1 (RP21) > acpiec0 at acpi0: not present > acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001 > com0 at acpi0 UAR1 addr 0x3f8/0x8 irq 4: ns16550a, 16 byte fifo > com0: console > com1 at acpi0 UAR2 addr 0x2f8/0x8 irq 3: ns16550a, 16 byte fifo > "IPI0001" at acpi0 not configured > pchgpio0 at acpi0 GPI0 addr 0xfd6e0000/0x10000 0xfd6d0000/0x10000 > 0xfd6b0000/0x10000 0xfd6a0000/0x10000 irq 14, 384 pins > "ACPI000E" at acpi0 not configured > acpibtn0 at acpi0: SLPB > "PNP0C14" at acpi0 not configured > "PNP0C14" at acpi0 not configured > intelpmc0 at acpi0: PEPD > state 0: 0x7f:1:2:0x00:0x0000000000000060 > counter: 0x7f:64:0:0x00:0x0000000000000632 > frequency: 0 > state 1: 0x7f:1:2:0x00:0x0000000000000060 > counter: 0x00:32:0:0x03:0x00000000fe00193c > frequency: 9580 > "PNP0C33" at acpi0 not configured > "ACPI000D" at acpi0 not configured > "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 > acpipwrres0 at acpi0: USBC, resource for XDCI > acpipwrres1 at acpi0: V0PR > acpipwrres2 at acpi0: V1PR > acpipwrres3 at acpi0: V2PR > acpipwrres4 at acpi0: WRST > 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 > acpicpu2 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu3 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu4 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu5 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu6 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu7 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu8 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu9 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu10 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpicpu11 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > C1(1000@1 mwait.1), PSS > acpipwrres5 at acpi0: FN00, resource for FAN0 > acpipwrres6 at acpi0: FN01, resource for FAN1 > acpipwrres7 at acpi0: FN02, resource for FAN2 > acpipwrres8 at acpi0: FN03, resource for FAN3 > acpipwrres9 at acpi0: FN04, resource for FAN4 > acpitz0 at acpi0 > acpitz0: critical temperature is 119 degC > acpipwrres10 at acpi0: PIN_ > acpivideo0 at acpi0: GFX0 > acpivout0 at acpivideo0: DD1F > ipmi at mainbus0 not configured > cpu0: using VERW MDS workaround (except on vmm entry) > cpu0: Enhanced SpeedStep 3392 MHz: speeds: 3401, 3400, 3200, 3000, 2800, > 2700, 2500, 2300, 2100, 1900, 1700, 1500, 1400, 1200, 1000, 800 MHz > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel Core 8G Host" rev 0x07 > "Intel Core GMM" rev 0x00 at pci0 dev 8 function 0 not configured > pchtemp0 at pci0 dev 18 function 0 "Intel 300 Series Thermal" rev 0x10 > xhci0 at pci0 dev 20 function 0 "Intel 300 Series xHCI" rev 0x10: msi, xHCI > 1.10 > 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 > "Intel 300 Series Shared SRAM" rev 0x10 at pci0 dev 20 function 2 not > configured > sdhc0 at pci0 dev 20 function 5 vendor "Intel", unknown product 0xa375 rev > 0x10: apic 2 int 19 > sdhc0: SDHC 3.00, 200 MHz base clock > sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, ddr52, dma > dwiic0 at pci0 dev 21 function 0 "Intel 300 Series I2C" rev 0x10: apic 2 int > 16 > iic0 at dwiic0 > dwiic1 at pci0 dev 21 function 1 "Intel 300 Series I2C" rev 0x10: apic 2 int > 17 > iic1 at dwiic1 > "Intel 300 Series HECI" rev 0x10 at pci0 dev 22 function 0 not configured > "Intel 300 Series HECI" rev 0x10 at pci0 dev 22 function 1 not configured > "Intel 300 Series HECI" rev 0x10 at pci0 dev 22 function 4 not configured > ahci0 at pci0 dev 23 function 0 "Intel 300 Series AHCI" rev 0x10: msi, AHCI > 1.3.1 > ahci0: port 0: 6.0Gb/s > ahci0: port 1: 6.0Gb/s > ahci0: port 2: 1.5Gb/s > scsibus1 at ahci0: 32 targets > sd0 at scsibus1 targ 0 lun 0: <ATA, SanDisk SSD G5 B, 4150> > naa.5001b448b5a37832 > sd0: 476940MB, 512 bytes/sector, 976773168 sectors, thin > sd1 at scsibus1 targ 1 lun 0: <ATA, SanDisk SSD G5 B, 4150> > naa.5001b448b5a33df4 > sd1: 476940MB, 512 bytes/sector, 976773168 sectors, thin > cd0 at scsibus1 targ 2 lun 0: <TEAC, DV-W28SS-B, 1.6A> removable > ppb0 at pci0 dev 27 function 0 "Intel 300 Series PCIE" rev 0xf0 > pci1 at ppb0 bus 1 > ppb1 at pci0 dev 28 function 0 "Intel 300 Series PCIE" rev 0xf0: msi > pci2 at ppb1 bus 2 > ppb2 at pci0 dev 29 function 0 "Intel 300 Series PCIE" rev 0xf0: msi > pci3 at ppb2 bus 3 > em0 at pci3 dev 0 function 0 "Intel I210" rev 0x03: msi, address > d0:50:99:f9:d7:0b > ppb3 at pci0 dev 29 function 1 "Intel 300 Series PCIE" rev 0xf0: msi > pci4 at ppb3 bus 4 > em1 at pci4 dev 0 function 0 "Intel I210" rev 0x03: msi, address > d0:50:99:f9:d7:0c > ppb4 at pci0 dev 29 function 2 "Intel 300 Series PCIE" rev 0xf0: msi > pci5 at ppb4 bus 5 > em2 at pci5 dev 0 function 0 "Intel I210" rev 0x03: msi, address > d0:50:99:f9:d7:0d > ppb5 at pci0 dev 29 function 3 "Intel 300 Series PCIE" rev 0xf0: msi > pci6 at ppb5 bus 6 > ppb6 at pci6 dev 0 function 0 "ASPEED Technology AST1150 PCI" rev 0x04 > pci7 at ppb6 bus 7 > "ASPEED Technology AST2000" rev 0x41 at pci7 dev 0 function 0 not configured > "Intel 300 Series UART" rev 0x10 at pci0 dev 30 function 0 not configured > pcib0 at pci0 dev 31 function 0 "Intel C246 LPC" rev 0x10 > ichiic0 at pci0 dev 31 function 4 "Intel 300 Series SMBus" rev 0x10: apic 2 > int 16 > iic2 at ichiic0 > sdtemp0 at iic2 addr 0x19: tse2004gb2 > sdtemp1 at iic2 addr 0x1b: tse2004gb2 > spdmem0 at iic2 addr 0x51: 16GB DDR4 SDRAM ECC PC4-21300 with thermal sensor > spdmem1 at iic2 addr 0x53: 16GB DDR4 SDRAM ECC PC4-21300 with thermal sensor > "Intel 300 Series SPI" rev 0x10 at pci0 dev 31 function 5 not configured > em3 at pci0 dev 31 function 6 "Intel I219-LM" rev 0x10: msi, address > 88:88:88:88:87:88 > isa0 at pcib0 > isadma0 at isa0 > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > wbsio0 at isa0 port 0x2e/2: NCT6791D rev 0x03 > lm1 at wbsio0 port 0x290/8: NCT6791D > vmm0 at mainbus0: VMX/EPT > efifb0 at mainbus0: 1024x768, 32bpp > wsdisplay0 at efifb0 mux 1 > wsdisplay0: screen 0-5 added (std, vt100 emulation) > ugen0 at uhub0 port 3 "Identiv uTrust 2700 R Smart Card Reader" rev 2.00/2.02 > addr 2 > uftdi0 at uhub0 port 4 configuration 1 interface 0 "FTDI FT232R USB UART" rev > 2.00/6.00 addr 3 > ucom0 at uftdi0 portno 1: usb0.0.00004.0 > vscsi0 at root > scsibus2 at vscsi0: 256 targets > softraid0 at root > scsibus3 at softraid0: 256 targets > root on sd0a (6a04a658952b23dd.a) swap on sd0b dump on sd0b > WARNING: / was not properly unmounted > witness: userret: returning with the following locks held: > exclusive rwlock vmmaplk r = 0 (0xfffffd886974b6c8) > > I have a i386 machine without witness kernel that crashes at the > same test. I guess it is the same bug. > > login: panic: vmmaplk rwlock 0xd61293c0: enter write deadlock > Stopped at db_enter+0x4: popl %ebp > TID PID UID PRFLAGS PFLAGS CPU COMMAND > * 96791 41724 0 0x2 0 0 3-6.test > db_enter() at db_enter+0x4 > panic(d0d448c0) at panic+0x7a > rw_do_enter_write(d61293c0,d61293c0) at rw_do_enter_write+0x10c > vm_map_lock_ln(d6129348,d1039060,f6aebf9c) at vm_map_lock_ln+0x82 > uvm_map_extract(d6129348,36ec2000,1000,f6aebff0,8) at uvm_map_extract+0x6c > sys_kbind(d6a01844,f6aec090,f6aec088) at sys_kbind+0x2a3 > syscall(f6aec0d0) at syscall+0x411 > Xsyscall_untramp() at Xsyscall_untramp+0xa9 > end of kernel > https://www.openbsd.org/ddb.html describes the minimum info required in bug > reports. Insufficient info makes it difficult to find and fix bugs. > ddb{0}> > > ddb{0}> x/s version > version: OpenBSD 7.7-current (GENERIC.MP) #618: Sun May 18 04:25:20 > MDT 2025\012 > dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP\012 > > ddb{0}> show panic > *cpu0: vmmaplk rwlock 0xd61293c0: enter write deadlock > > ddb{0}> trace > db_enter() at db_enter+0x4 > panic(d0d448c0) at panic+0x7a > rw_do_enter_write(d61293c0,d61293c0) at rw_do_enter_write+0x10c > vm_map_lock_ln(d6129348,d1039060,f6aebf9c) at vm_map_lock_ln+0x82 > uvm_map_extract(d6129348,36ec2000,1000,f6aebff0,8) at uvm_map_extract+0x6c > sys_kbind(d6a01844,f6aec090,f6aec088) at sys_kbind+0x2a3 > syscall(f6aec0d0) at syscall+0x411 > Xsyscall_untramp() at Xsyscall_untramp+0xa9 > end of kernel > > ddb{0}> show register > ds 0x10 > es 0x10 > fs 0x20 > gs 0 > edi 0xd0d448c0 isapnp_id_to_vendor.hex+0x8fae > esi 0 > ebp 0xf6aebf14 > ebx 0xd0f2b618 cpu_info_full_primary+0x2618 > edx 0x3fd > ecx 0x58e2b9c2 > eax 0x37 > eip 0xd03b0e04 db_enter+0x4 > cs 0x8 > eflags 0x202 > esp 0xf6aebf14 > ss 0x10 > db_enter+0x4: popl %ebp > > ddb{0}> ps > PID TID PPID UID S FLAGS WAIT COMMAND > *41724 96791 71724 0 7 0x2 3-6.test > 71724 394038 53515 0 3 0x100088 sigsusp sh > 53515 331563 35347 0 3 0x10008a sigsusp sh > 35347 272823 11460 0 3 0x10008a sigsusp make > 66741 20437 64648 0 3 0x100083 ttyin ksh > 64648 523403 16431 0 3 0x98 kqread sshd-session > 16431 166160 45230 0 3 0x92 kqread sshd-session > 87616 287766 28843 0 3 0x100082 piperd gzip > 28843 498724 11460 0 3 0x100082 piperd pax > 11460 193098 75212 0 3 0x82 piperd perl > 75212 417809 51318 0 3 0x10008a sigsusp ksh > 51318 396878 68461 0 3 0x98 kqread sshd-session > 68461 95172 45230 0 3 0x92 kqread sshd-session > 4865 275714 1 0 3 0x100083 ttyin getty > 57634 523922 1 0 3 0x100083 ttyin getty > 66286 329192 1 0 3 0x100083 ttyin getty > 80084 343403 1 0 3 0x100083 ttyin getty > 97400 411115 1 0 3 0x100083 ttyin getty > 98838 69807 1 0 3 0x100083 ttyin getty > 82041 108674 1 0 3 0x100098 kqread cron > 16060 128005 1 99 3 0x1100090 kqread sndiod > 78889 105342 1 110 3 0x100090 kqread sndiod > 82006 467896 22672 95 3 0x1100092 kqread smtpd > 12674 378124 22672 103 3 0x1100092 kqread smtpd > 12438 469484 22672 95 3 0x1100092 kqread smtpd > 9467 210591 22672 95 3 0x100092 kqread smtpd > 49246 220285 22672 95 3 0x1100092 kqread smtpd > 35648 345659 22672 95 3 0x1100092 kqread smtpd > 22672 495969 1 0 3 0x100080 kqread smtpd > 15637 9574 86077 91 3 0x92 kqread snmpd_metrics > 19051 100208 86077 91 3 0x1100092 kqread snmpd > 86077 99547 1 0 3 0x100080 kqread snmpd > 45230 503069 1 0 3 0x88 kqread sshd > 52358 137578 0 0 3 0x14200 acct acct > 70416 178424 0 0 3 0x14280 nfsidl nfsio > 33843 76562 0 0 3 0x14280 nfsidl nfsio > 35053 396184 0 0 3 0x14280 nfsidl nfsio > 69279 92380 0 0 3 0x14280 nfsidl nfsio > 83396 217657 1 0 3 0x100080 kqread ntpd > 86281 99225 92137 83 3 0x100092 kqread ntpd > 92137 140985 1 83 3 0x1100092 kqread ntpd > 13104 267640 8960 74 3 0x1100092 bpf pflogd > 8960 187119 1 0 3 0x80 sbwait pflogd > 93045 47117 11333 73 3 0x1100090 kqread syslogd > 11333 184635 1 0 3 0x100082 sbwait syslogd > 96581 208862 68055 77 3 0x100092 kqread dhcpleased > 51992 402565 68055 77 3 0x100092 kqread dhcpleased > 68055 78846 1 0 3 0x80 kqread dhcpleased > 330 309622 99454 115 3 0x100092 kqread slaacd > 80484 406852 99454 115 3 0x100092 kqread slaacd > 99454 288639 1 0 3 0x100080 kqread slaacd > 80449 113171 0 0 3 0x14200 bored smr > 74739 420511 0 0 3 0x14200 pgzero zerothread > 2604 293321 0 0 3 0x14200 aiodoned aiodoned > 58412 7438 0 0 3 0x14200 syncer update > 68065 43482 0 0 3 0x14200 cleaner cleaner > 11960 90604 0 0 3 0x14200 reaper reaper > 49261 53234 0 0 3 0x14200 pgdaemon pagedaemon > 66661 494794 0 0 3 0x14200 bored wsdisplay0 > 52702 254288 0 0 3 0x14200 usbtsk usbtask > 91580 384717 0 0 3 0x14200 usbatsk usbatsk > 35405 301982 0 0 3 0x14200 bored sensors > 40468 161178 0 0 3 0x40014200 acpi0 acpi0 > 78842 80430 0 0 7 0x40014200 idle7 > 66008 296735 0 0 7 0x40014200 idle6 > 98795 506799 0 0 7 0x40014200 idle5 > 46750 291519 0 0 7 0x40014200 idle4 > 93915 264431 0 0 7 0x40014200 idle3 > 36254 288785 0 0 7 0x40014200 idle2 > 80599 184748 0 0 7 0x40014200 idle1 > 46155 255485 0 0 3 0x14200 bored softnet3 > 4547 393309 0 0 3 0x14200 bored softnet2 > 77277 468336 0 0 3 0x14200 bored softnet1 > 84279 64120 0 0 3 0x14200 bored softnet0 > 37225 326694 0 0 3 0x14200 bored systqmp > 48068 338636 0 0 3 0x14200 bored systq > 11499 79960 0 0 3 0x14200 tmoslp softclockmp > 68952 205978 0 0 3 0x40014200 tmoslp softclock > 97668 422802 0 0 3 0x40014200 idle0 > 38797 250951 0 0 3 0x14200 kmalloc kmthread > 1 8125 0 0 3 0x82 wait init > 0 0 -1 0 3 0x10200 scheduler swapper >
