panic: pool_p_free: rttmr free list modified: page 0xfffffd806049d000; item addr 0xfffffd806049ddd0; offset 0x10=0x82d7ee80 Starting stack trace... panic(ffffffff828cc925) at panic+0x16f sys/kern/subr_prf.c:229 pool_p_free(ffffffff82d76630,fffffd806049df90) at pool_p_free+0x20f sys/kern/subr_pool.c:984 pool_gc_pages(0) at pool_gc_pages+0x255 sys/kern/subr_pool.c:1583 taskq_thread(ffffffff82d348d0) at taskq_thread+0xf5 sys/kern/kern_task.c:450 end trace frame: 0x0, count: 253 End of stack trace.