can be triggered with a UP kernel as well
Sebastian Benoit([email protected]) on 2018.07.21 21:33:01 +0200: > Hi, > > this is on an orange pi pc2 > > it was running cvs up at the time. > > panic: amap_pp_adjref: negative reference count > Stopped at panic+0x154: TID PID UID PRFLAGS PFLAGS > C > PU COMMAND > *323961 46046 1000 0x100003 0 1K cvs > db_enter() at panic+0x150 > panic() at uvm_unmap_detach+0x6c > uvm_unmap_detach() at sys_munmap+0x11c > sys_munmap() at svc_handler+0x254 > svc_handler() at do_el0_sync+0x1b0 > do_el0_sync() at handle_el0_sync+0x68 > handle_el0_sync() at 0x116eb51798 > --- trap --- > 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}> ps > PID TID PPID UID S FLAGS WAIT COMMAND > 20936 24400 46046 1000 3 0x100083 select ssh > *46046 323961 9782 1000 7 0x100003 cvs > 9782 389461 39934 1000 3 0x10008b pause ksh > 39934 12332 13967 1000 3 0x90 select sshd > 13967 50028 23206 0 3 0x92 poll sshd > 8646 136642 1 0 3 0x100083 ttyin getty > 54348 68423 1 0 3 0x100098 poll cron > 39314 67626 31702 83 3 0x100092 poll ntpd > 31702 235832 39039 83 3 0x100092 poll ntpd > 39039 304649 1 0 3 0x100080 poll ntpd > 87767 301037 1 99 3 0x100090 poll sndiod > 54951 372116 1 110 3 0x100090 poll sndiod > 68729 53091 62556 95 3 0x100092 kqread smtpd > 49122 207710 62556 103 3 0x100092 kqread smtpd > 89273 456633 62556 95 3 0x100092 kqread smtpd > 90448 274793 62556 95 3 0x100092 kqread smtpd > 50031 114811 62556 95 3 0x100092 kqread smtpd > 26958 326979 62556 95 3 0x100092 kqread smtpd > 62556 506512 1 0 3 0x100080 kqread smtpd > 23206 402657 1 0 3 0x80 select sshd > 33059 306650 45868 74 3 0x100092 bpf pflogd > > > OpenBSD 6.3-current (GENERIC.MP) #64: Fri Jul 20 17:14:07 MDT 2018 > [email protected]:/usr/src/sys/arch/arm64/compile/GENERIC.MP > real mem = 947396608 (903MB) > avail mem = 889860096 (848MB) > mainbus0 at root: OrangePi PC 2 > cpu0 at mainbus0 mpidr 0: ARM Cortex-A53 r0p4 > efi0 at mainbus0: UEFI 2.0.5 > efi0: Das U-boot rev 0x0 > sxiccmu0 at mainbus0 > psci0 at mainbus0: PSCI 0.2 > agtimer0 at mainbus0: tick rate 24000 KHz > simplebus0 at mainbus0: "soc" > syscon0 at simplebus0: "syscon" > sxiccmu1 at simplebus0 > sxipio0 at simplebus0: 94 pins > ampintc0 at simplebus0 nirq 224, ncpu 4 ipi: 0, 1: "interrupt-controller" > sxipio1 at simplebus0: 12 pins > sximmc0 at simplebus0 > sdmmc0 at sximmc0: 4-bit, sd high-speed, mmc high-speed, dma > ehci0 at simplebus0 > usb0 at ehci0: USB revision 2.0 > uhub0 at usb0 configuration 1 interface 0 "Generic EHCI root hub" rev > 2.00/1.00 addr 1 > com0 at simplebus0: ns16550, no working fifo > com0: console > dwxe0 at simplebus0: address 02:01:59:ec:e4:90 > rgephy0 at dwxe0 phy 0: RTL8169S/8110S/8211 PHY, rev. 5 > rgephy1 at dwxe0 phy 1: RTL8169S/8110S/8211 PHY, rev. 5 > sxirtc0 at simplebus0 > gpio0 at sxipio0: 32 pins > gpio1 at sxipio0: 32 pins > gpio2 at sxipio0: 32 pins > gpio3 at sxipio0: 32 pins > gpio4 at sxipio0: 32 pins > gpio5 at sxipio0: 32 pins > gpio6 at sxipio0: 32 pins > gpio7 at sxipio1: 32 pins > cpu1 at mainbus0 mpidr 1: ARM Cortex-A53 r0p4 > cpu2 at mainbus0 mpidr 2: ARM Cortex-A53 r0p4 > cpu3 at mainbus0 mpidr 3: ARM Cortex-A53 r0p4 > scsibus0 at sdmmc0: 2 targets, initiator 0 > sd0 at scsibus0 targ 1 lun 0: <SD/MMC, 00000, 0010> SCSI2 0/direct removable > sd0: 30526MB, 512 bytes/sector, 62518272 sectors > urtwn0 at uhub0 port 1 configuration 1 interface 0 "Realtek 802.11n NIC" rev > 2.00/0.00 addr 2 > urtwn0: MAC/BB RTL8188EU, RF 6052 1T1R, address d4:6e:0e:19:e1:83 > vscsi0 at root > scsibus1 at vscsi0: 256 targets > softraid0 at root > scsibus2 at softraid0: 256 targets > bootfile: sd0a:/bsd > boot device: sd0 > root on sd0a (e399c12ae24a89ea.a) swap on sd0b dump on sd0b > WARNING: / was not properly unmounted > WARNING: preposterous clock chip time > WARNING: CHECK AND RESET THE DATE! >
