Re: [dpdk-dev] MENNIC1.2 host-sim crashed for me

[Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>]

Hi,

> Subject: [dpdk-dev] MENNIC1.2 host-sim crashed for me
> 
> Hi,
> I want to run MEMNIC 1.2 application .
> 
> 1.       I compiled DPDK1.6
> 
> 2.       I compiled memnic.12
> 
> 3.       And while running memnic-hostsim app    got strucked
> 
> 4.
> 
> 5.       [root@localhost host-sim]# ./memnic-host-sim /dev/shm/ivshm
> 
> Bus error (core dumped)
> 
> 
> 
> Core was generated by `./memnic-host-sim  /dev/shm/ivshm'.
> 
> Program terminated with signal SIGBUS, Bus error.
> 
> #0  0x0000003a82e894e4 in memset () from /lib64/libc.so.6
> 
> Missing separate debuginfos, use: debuginfo-install glibc-2.18-11.fc20.x86_64
> 
> (gdb) bt
> 
> #0  0x0000003a82e894e4 in memset () from /lib64/libc.so.6
> 
> #1  0x00000000004008a3 in init_memnic (nic=0x7ffff6fe2000) at host-sim.c:55
> 
> #2  0x0000000000400a8a in main (argc=2, argv=0x7fffffffe4a8) at host-sim.c:106
> 
> (gdb)
> 
> 
> 
> 
> 
> Got error at line 55 .. saying nic is read only..


I have never tried host-sim yet though.
I guess it's the cause that host-sim doesn't increase the shared memory size.
Could you try booting qemu first with -device ivshmem,size=16,shm=/ivshm then run host-sim?

thanks,
Hiroshi

> 
> 
> 
> 53 static void init_memnic(struct memnic_area *nic)
> 
> 54 {
> 
> 55     memset(nic, 0, sizeof(*nic));
> 
> 56     nic->hdr.magic = MEMNIC_MAGIC;
> 
> 57     nic->hdr.version = MEMNIC_VERSION;
> 
> 58     /* 00:09:c0:00:13:37 */
> 
> 59     nic->hdr.mac_addr[0] = 0x00;
> 
> 60     nic->hdr.mac_addr[1] = 0x09;
> 
> 61     nic->hdr.mac_addr[2] = 0xc0;
> 
> 62     nic->hdr.mac_addr[3] = 0x00;
> 
> 63     nic->hdr.mac_addr[4] = 0x13;
> 
> 64     nic->hdr.mac_addr[5] = 0x37;
> 
> 65 }
> 
> 
> 
> Thanks,
> 
> Srinivas.
> 
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