On Sunday, December 15, 2019, Aleksandar Markovic < aleksandar.m.mail@gmail.com> wrote: > > > On Sunday, December 15, 2019, Finn Thain > wrote: > >> On Sat, 14 Dec 2019, Aleksandar Markovic wrote: >> >> > On Saturday, December 14, 2019, Finn Thain >> > wrote: >> > >> > > Hi All, >> > > >> > > There is a bug in the DP8393X emulation that can stop packet >> reception. >> > > >> > > >> > Can you provide the details of your test scenario? >> > >> > Thanks, >> > Aleksandar >> > >> >> I test the qemu build like this, >> >> qemu-system-m68k -M q800 -m 512M -serial none -serial mon:stdio -g >> 800x600x4 >> -net nic,model=dp83932,addr=00:00:00:01:02:03 >> -net bridge,helper=/opt/qemu/libexec/qemu-bridge-helper,br=br0 >> -append "fbcon=font:ProFont6x11 console=tty0 console=ttyS0 >> ignore_loglevel" >> -kernel vmlinux-4.14.157-mac-backport+ >> -initrd /mnt/loop/install/cdrom/initrd.gz >> >> You can obtain this kernel binary from the linux-mac68k project on >> sourceforge. (I usually use a mainline Linux build but it makes no >> difference.) >> >> I normally use a disk image with Debian/m68k SID rootfs but in this >> example I've used the initrd that you can find on the Debian/m68k >> installer ISO. >> >> Once the guest starts, switch to a different virtual console and bring up >> the SONIC: >> >> - - <2> >> # ip addr add dev eth0 192.168.65.2/24 >> # ip link set dev eth0 up >> >> On the host, send a ping flood (with preload) to the guest: >> >> # ifconfig br0 192.168.65.1/24 >> # ping 192.168.65.2 -f -l 20 >> >> The packet reception ("deaf sonic") issue is reproduced immediately. >> >> This has been observed in both qemu-m68k and mainline qemu. See also, >> https://github.com/vivier/qemu-m68k/commit/0a45280c9fa40da8d >> 5f30b1bb3d0513db91c3909 >> >> > Finn, > > I appreciate your detailed response! > > Aleksandar > > Herve, Is there any way for us to come up with an equivalent or at least approximate scenario for Jazz machines? Regards, Aleksandar