panic: pool_do_get: shmpl free list modified: page 0xfffffd8069284000; item addr 0xfffffd8069284160; offset 0x40=0x40500c0 Starting stack trace... panic(ffffffff830741ff) at panic+0x1d0 sys/kern/subr_prf.c:229 pool_do_get(ffffffff835f3e20,1,ffff800030a314b8) at pool_do_get+0x5e6 pool_get(ffffffff835f3e20,1) at pool_get+0x141 shmget_allocate_segment(ffff80002a0fa548,ffff800030a31710,122,ffff800030a31660) at shmget_allocate_segment+0x1a7 sys_shmget(ffff80002a0fa548,ffff800030a31710,ffff800030a31660) at sys_shmget+0x1b2 sys/kern/sysv_shm.c:482 syscall(ffff800030a31710) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800030a31710) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x111f0cf1cb0, count: 250 End of stack trace.