panic: pool_do_get: shmpl free list modified: page 0xfffffd806a400000; item addr 0xfffffd806a4004d0; offset 0x0=0x0 != 0x8dfff9ee93a656f3 Starting stack trace... panic(ffffffff8337906f) at panic+0x1ba sys/kern/subr_prf.c:229 pool_do_get(ffffffff8392a298,1,ffff80003c9cbaf8) at pool_do_get+0x574 sys/kern/subr_pool.c:743 pool_get(ffffffff8392a298,1) at pool_get+0x11a sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80002a7c6fb8,ffff80003c9cbd40,42,ffff80003c9cbc90) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80002a7c6fb8,ffff80003c9cbd40,ffff80003c9cbc90) at sys_shmget+0x195 sys/kern/sysv_shm.c:482 syscall(ffff80003c9cbd40) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9cbd40) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x897ca64f260, count: 250 End of stack trace.