panic: pool_do_get: shmpl free list modified: page 0xfffffd806a2ab000; item addr 0xfffffd806a2abda0; offset 0x40=0x838 Starting stack trace... panic(ffffffff8336b598) at panic+0x1ba sys/kern/subr_prf.c:229 pool_do_get(ffffffff839b8c98,1,ffff8000338ff558) at pool_do_get+0x5bc pool_get(ffffffff839b8c98,1) at pool_get+0x11a sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff8000314f8fc8,ffff8000338ff7a0,2,ffff8000338ff6f0) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff8000314f8fc8,ffff8000338ff7a0,ffff8000338ff6f0) at sys_shmget+0x195 sys/kern/sysv_shm.c:482 syscall(ffff8000338ff7a0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff8000338ff7a0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xca094a4d510, count: 250 End of stack trace.