# DF-5083 stability loop (3 consecutive kldload cycles on the same boot,
# guest output captured via vm.sh run_root):
== run 2 ==
== run 3 ==
$ dmesg | grep -cE "DEFERRED busdma_swi CALLBACK FIRED"
6
$ dmesg | grep -c "WEDGED FOREVER"
3
$ dmesg | tail -4
DF5083: A:   stale-dmatab write: marker[2] = 03010000:00001000
DF5083: A:   stale-dmatab write: marker[3] = 0300f000:00001000
DF5083: A rc=0
DF5083: done
# => 3/3 runs: deferred fire in A and B every time, wedge in C every time.