panic: pool_do_get: shmpl free list modified: page 0xfffffd80575a3000; item addr 0xfffffd80575a3e08; offset 0x2c=0xdeaf4151 Starting stack trace... panic(ffffffff83064c9f) at panic+0x1d0 sys/kern/subr_prf.c:229 pool_do_get(ffffffff835b4358,1,ffff80002f386448) at pool_do_get+0x5e6 pool_get(ffffffff835b4358,1) at pool_get+0x141 shmget_allocate_segment(ffff800035395200,ffff80002f3866a0,2,ffff80002f3865f0) at shmget_allocate_segment+0x1a7 sys_shmget(ffff800035395200,ffff80002f3866a0,ffff80002f3865f0) at sys_shmget+0x1b2 sys/kern/sysv_shm.c:480 syscall(ffff80002f3866a0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002f3866a0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef027fea680, count: 250 End of stack trace.