panic: pool_p_free: rttmr free list modified: page 0xfffffd805d1ca000; item addr 0xfffffd805d1cad50; offset 0x10=0x839a5300 Starting stack trace... panic(ffffffff83384e01) at panic+0x1d0 sys/kern/subr_prf.c:229 pool_p_free(ffffffff839bf1f8,fffffd805d1caf90) at pool_p_free+0x2d1 sys/kern/subr_pool.c:986 pool_gc_pages(0) at pool_gc_pages+0x357 sys/kern/subr_pool.c:1587 taskq_thread(ffffffff837ca0d0) at taskq_thread+0x157 sys/kern/kern_task.c:446 end trace frame: 0x0, count: 253 End of stack trace. syncing disks...