panic: pool_do_get: shmpl free list modified: page 0xfffffd806cc6b000; item addr 0xfffffd806cc6bb68; offset 0x40=0x828 Starting stack trace... panic(ffffffff83370ef0) at panic+0x1ba sys/kern/subr_prf.c:229 pool_do_get(ffffffff83932d58,1,ffff80003c9fd0c8) at pool_do_get+0x5bc pool_get(ffffffff83932d58,1) at pool_get+0x11a sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff800032903cb8,ffff80003c9fd310,2,ffff80003c9fd260) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff800032903cb8,ffff80003c9fd310,ffff80003c9fd260) at sys_shmget+0x195 sys/kern/sysv_shm.c:482 syscall(ffff80003c9fd310) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9fd310) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ed1b7d590, count: 250 End of stack trace.