https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243392
--- Comment #11 from alexandr.oleyni...@gmail.com ---
For additional:
ifconfig down & up temporary fix problem but after receiveing again approx
300-500 Mbytes in short period network become unavailable again or kernel panic
(50%/50%)
# ifconfig vmx1 down && ifconfig vmx1 up && iperf3 -s -p 1234
-----------------------------------------------------------
Server listening on 1234
-----------------------------------------------------------
Accepted connection from 172.31.255.5, port 39861
[ 5] local 172.31.255.2 port 1234 connected to 172.31.255.5 port 39030
--- kernel panic ----
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 02
fault virtual address = 0x0
fault code = supervisor write data, page not present
instruction pointer = 0x20:0xffffffff80cef252
stack pointer = 0x28:0xfffffe00753547c0
frame pointer = 0x28:0xfffffe00753548a0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 (if_io_tqg_1)
trap number = 12
panic: page fault
cpuid = 1
time = 1580287973
KDB: stack backtrace:
#0 0xffffffff80c1d297 at kdb_backtrace+0x67
#1 0xffffffff80bd05cd at vpanic+0x19d
#2 0xffffffff80bd0423 at panic+0x43
#3 0xffffffff810a7dcc at trap_fatal+0x39c
#4 0xffffffff810a7e19 at trap_pfault+0x49
#5 0xffffffff810a740f at trap+0x29f
#6 0xffffffff81081a0c at calltrap+0x8
#7 0xffffffff80ce9be5 at _task_fn_rx+0x75
#8 0xffffffff80c1bb54 at gtaskqueue_run_locked+0x144
#9 0xffffffff80c1b7b8 at gtaskqueue_thread_loop+0x98
#10 0xffffffff80b90c23 at fork_exit+0x83
#11 0xffffffff81082a4e at fork_trampoline+0xe
Uptime: 11m47s
And from sending side:
root@bsd_template:/usr/home/ao # iperf3 -c 172.31.255.2 -p 1234
Connecting to host 172.31.255.2, port 1234
[ 5] local 172.31.255.5 port 39030 connected to 172.31.255.2 port 1234
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.01 sec 614 MBytes 5.07 Gbits/sec 1 8.74 KBytes
[ 5] 1.01-2.03 sec 0.00 Bytes 0.00 bits/sec 3 8.74 KBytes
[ 5] 2.03-3.02 sec 0.00 Bytes 0.00 bits/sec 1 8.74 KBytes
[ 5] 3.02-4.03 sec 0.00 Bytes 0.00 bits/sec 1 8.74 KBytes
[ 5] 4.03-5.03 sec 0.00 Bytes 0.00 bits/sec 0 8.74 KBytes
[ 5] 5.03-6.02 sec 0.00 Bytes 0.00 bits/sec 1 8.74 KBytes
[ 5] 6.02-7.03 sec 0.00 Bytes 0.00 bits/sec 0 8.74 KBytes
[ 5] 7.03-8.03 sec 0.00 Bytes 0.00 bits/sec 0 8.74 KBytes
[ 5] 8.03-9.03 sec 0.00 Bytes 0.00 bits/sec 0 8.74 KBytes
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