panic: pool_do_get: shmpl free list modified: page 0xfffffd807385f000; item addr 0xfffffd807385fbd8; offset 0x0=0x0 != 0x3b8df44079823c18 Starting stack trace... panic(ffffffff82fe2bfb) at panic+0x1ba sys/kern/subr_prf.c:229 pool_do_get(ffffffff834c1b28,1,ffff8000376571bc) at pool_do_get+0x57e pool_get(ffffffff834c1b28,1) at pool_get+0xf0 shmget_allocate_segment(ffff80003762f978,ffff800037657410,42,ffff800037657360) at shmget_allocate_segment+0x1a7 sys_shmget(ffff80003762f978,ffff800037657410,ffff800037657360) at sys_shmget+0x1b2 sys/kern/sysv_shm.c:480 syscall(ffff800037657410) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4d201619cc0, count: 250 End of stack trace.