+ MODE=evt
+ cd /root/df3426
+ date
Wed Oct 14 02:17:23 UTC 2026
+ uname -a
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
+ netstat -m
7/146632 mbufs in use (current/max):
256/33296 mbuf clusters in use (current/max)
0/8260 mbuf jumbo clusters in use (current/max)
	263 mbufs and mbuf clusters allocated to data
515 Kbytes allocated to network (0% of mb_map in use)
0 requests for memory denied
0 requests for memory delayed
0 calls to protocol drain routines
+ kldstat -v
+ grep -E 'if_tap|netmap'
+ true
+ kldload -n if_tap
+ ifconfig tap0 create
+ ifconfig tap0 up
+ ifconfig tap0
tap0: flags=808843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,PROXY> metric 0 mtu 1500
	ether 00:bd:3b:0a:00:00
	inet6 fe80::2bd:3bff:fe0a:0%tap0 prefixlen 64 tentative scopeid 0x3
	groups: tap
	media: Ethernet autoselect
	status: no carrier
+ [ -f /dev/netmap ]
+ kldload ./netmap-src/netmap.ko
+ ls -l /dev/netmap
crw-rw----  1 root  wheel   33, 0x00000000 Oct 14 02:17 /dev/netmap
+ dmesg
+ tail -3
swap low/high-water marks set to 41940/62910
tap0: MAC address: 00:bd:3b:0a:00:00
netmap: loaded module
+ ./trigger tap0 evt
REGIF tap0: memsize=343019520 offset=0 tx_rings=1 tx_slots=1024
txring0: num_slots=1024 cur=0 avail=1023 reserved=0 buf_size=2048 buf_ofs=7372800
[evt-lap] cur=1023 avail(before sync)=1023 -> NIOCTXSYNC
[evt-lap] after: avail=0 reserved=0
event arm done; waiting 3s for any destructor callbacks (watch console/dmesg for RIG:)
evt done (closed -> unregister frees whole pool)
+ RC=0
+ echo 'trigger rc=0'
trigger rc=0
+ sleep 1
+ netstat -m
7/146632 mbufs in use (current/max):
18446744073709550849/33552 mbuf clusters in use (current/max)
0/8260 mbuf jumbo clusters in use (current/max)
	18446744073709550856 mbufs and mbuf clusters allocated to data
18014398509480453 Kbytes allocated to network (128289406846% of mb_map in use)
0 requests for memory denied
0 requests for memory delayed
0 calls to protocol drain routines
+ grep -E 'RIG:|netmap|panic|mbuf'
+ tail -40
+ dmesg
netmap: loaded module
243.762198 netmap_get_hw_na [1023] Created generic NA 0xfffff8008dfaf5c0 (prev 0)
243.769572 netmap_get_na [1085] getting 0xfffff8008dfaf5c0:tap0 (0)
243.776013 netmap_mem_global_config [809] reconfiguring
276.935727 netmap_mem_finalize_all [684] Have 100 KB for interfaces, 7200 KB for rings and 320 MB for buffers
276.947546 netmap_mem_finalize_all [686] Free buffers: 163838
276.955893 generic_netmap_register [228] rtnl_lock called
276.960396 generic_netmap_register [240] rtnl_lock called
276.966268 netmap_mmap_single [321] cdev 0xfffff80116a10c40 foff 0 size 343019520 objp 0xfffff80117e87618 prot 3
276.974764 netmap_dev_pager_ctor [208] handle 0xfffff8008d401720 size 343019520 prot 3 foff 0
RIG: txsync enter: cur=1023 hwcur=0 ntc=0 hwavail=1023 resv=0
RIG: txsync ring exhausted: ntc=0 j=1023 hwavail=0 -> arming event
RIG: generic_set_tx_event e=511 mbuf=0xfffff8012d10bc00 (SET_MBUF_DESTRUCTOR + m_freem on pool entry)
280.009427 netmap_dev_pager_dtor [223] handle 0xfffff8008d401720
280.017177 generic_netmap_register [255] rtnl_lock called
280.024158 generic_netmap_register [265] rtnl_lock called
280.031070 netmap_dtor_locked [657] putting 0xfffff8008dfaf5c0:tap0 (1)
280.038238 generic_netmap_dtor [760] Restored native NA 0