Hi > On Fri, Jan 26, 2018 at 01:54:32PM +0100, Roman Iten wrote: >> I have a libc server application that binds a UDP socket and a libc >> client application to test the server. For this purpose I start two vfs >> and bridge them using the nic_bridge component: > [...] > > I never tried such a scenario myself but it reminds me of one aspect > of nic_router.run test. Maybe you can have a look into it. As a first > glance over your config did not reveal any obvious erros, it would be > best you provide a branch with your scenario and test programs at > Github. So, we get a chance to play with the scenario. My first action > would be to integrate nic_dump and verify guess that at least an ICMP > error message travels from server to client.
I tweaked run/netty_udp to use nic_loopback [1]. I can't reproduce the "connection refused" error but instead vfs crashes if KERNEL=nova: [init -> netty-client-7070] connected no RM attachment (READ pf_addr=0xe pf_ip=0x10fc638 from pager_object: pd='init -> socket_fs' thread='ep') [init -> netty-server-7070] test in blocking mode page fault, pd='init -> socket_fs' thread='ep' cpu=0 ip=0x10fc638 address=0xe stack pointer=0xa04fef18 qualifiers=0x4 irUwp reason=1 For KERNEL=linux, there's no nullptr dereference: [init -> netty-client-7070] connected [init -> netty-server-7070] test in blocking mode [init -> netty-client-7070] client test finished Run script execution successful. Cheers, Roman [1] https://github.com/rite/genode/tree/netty_udp_loopback
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