panic: pool_p_free: rttmr free list modified: page 0xfffffd805ffa3000; item addr 0xfffffd805ffa3ee0; offset 0x10=0x839040c0
Starting stack trace...
panic(ffffffff8336d2fe) at panic+0x1d0 sys/kern/subr_prf.c:229
pool_p_free(ffffffff838f8298,fffffd805ffa3f90) 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(ffffffff83867e10) at taskq_thread+0x157 sys/kern/kern_task.c:446
end trace frame: 0x0, count: 253
End of stack trace.
syncing disks...
26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26 26  giving up