Dear gem5 community,
I have connected successfully two gem5s through e1000 ethernet card.
You can see the terminal output in the following commands:
1st GEM5:
root@aarch64-gem5:/# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.2 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:90:00:00:00:00 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 1000 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
root@aarch64-gem5:/# ping -c 1 192.168.0.3
PING 192.168.0.3 (192.168.0.3) 56(84) bytes of data.
64 bytes from 192.168.0.3: icmp_seq=1 ttl=64 time=192 ms
--- 192.168.0.3 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 192.857/192.857/192.857/0.000 ms
root@aarch64-gem5:/# ssh [email protected]
[ 2.784304] random: ssh: uninitialized urandom read (32 bytes read)
ssh: connect to host 192.168.0.3 port 22: Connection refused
root@aarch64-gem5:/#
2nd gem5:
root@aarch64-gem5:/# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.3 netmask 255.255.255.0 broadcast 192.168.0.255
ether 00:90:00:00:00:01 txqueuelen 1000 (Ethernet)
RX packets 2 bytes 158 (158.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2 bytes 158 (158.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 1000 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
root@aarch64-gem5:/# ping -c 1 192.168.0.2
PING 192.168.0.2 (192.168.0.2) 56(84) bytes of data.
64 bytes from 192.168.0.2: icmp_seq=1 ttl=64 time=97.7 ms
--- 192.168.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 97.758/97.758/97.758/0.000 ms
root@aarch64-gem5:/# ssh [email protected]
[ 3.187606] random: ssh: uninitialized urandom read (32 bytes read)
ssh: connect to host 192.168.0.2 port 22: Connection refused
root@aarch64-gem5:/#
I have used this gem5 configuration:
$GEM5/build/ARM/gem5.opt -d $GEM5/node0
$GEM5/configs/example/arm/starter_fs.py --kernel=vmlinux.arm64
--num-cores=2 --disk-image=ubuntu-18.04-arm64-docker.img --node=0
and
$GEM5/build/ARM/gem5.opt -d $GEM5/node0
$GEM5/configs/example/arm/starter_fs.py --kernel=vmlinux.arm64
--num-cores=2 --disk-image=ubuntu-18.04-arm64-docker.img --node=1
I would like to connect one gem5 to another through ssh (because I
would like to use MPI).
I have installed the openssh-client packet through qemu but I get the
above connection refused. After that, I installed the openssh-server
through qemu, but it is not booted after 2 hours (it installed a
number of packets):
"The following NEW packages will be installed:
ca-certificates dbus dmsetup gir1.2-glib-2.0 libapparmor1 libargon2-0
libcryptsetup12 libdbus-1-3 libdevmapper1.02.1 libgirepository-1.0-1
libglib2.0-0 libglib2.0-data libip4tc0 libjson-c3 libkmod2 libmpdec2
libnss-systemd libpam-systemd libpsl5 libpython3-stdlib libpython3.6-minimal
libpython3.6-stdlib libwrap0 mime-support ncurses-term networkd-dispatcher
openssh-server openssh-sftp-server openssl publicsuffix python3
python3-certifi python3-chardet python3-dbus python3-gi python3-idna
python3-minimal python3-pkg-resources python3-requests python3-six
python3-urllib3 python3.6 python3.6-minimal shared-mime-info ssh-import-id
systemd systemd-sysv ucf wget xdg-user-dirs"
I appreciate it if someone knows how to speed up the boot time or how
can I connect two gem5s through ssh, please.
Following is the gem5 terminal output after openssh-server
installation (but it is not finished yet).
[ 0.460103] systemd[1]: System time before build time, advancing clock.
[ 0.460256] systemd[1]: Failed to insert module 'autofs4': No such
file or directory
[ 0.461222] systemd[1]: systemd 237 running in system mode. (+PAM
+AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP
+GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2
+IDN -PCRE2 default-hierarchy=hybrid)
[ 0.461283] systemd[1]: Detected architecture arm64.
Welcome to Ubuntu 18.04.2 LTS!
[ 0.472880] systemd[1]: File
/lib/systemd/system/systemd-journald.service:36 configures an IP
firewall (IPAddressDeny=any), but the local system does not support
BPF/cgroup based firewalling.
[ 0.472885] systemd[1]: Proceeding WITHOUT firewalling in effect!
(This warning is only shown for the first loaded unit using IP
firewalling.)
[ 0.482445] random: systemd: uninitialized urandom read (16 bytes read)
[ 0.482493] systemd[1]: Created slice System Slice.
[ OK ] Created slice System Slice.
[ 0.482580] random: systemd: uninitialized urandom read (16 bytes read)
[ 0.482627] systemd[1]: Created slice system-getty.slice.
[ OK ] Created slice system-getty.slice.
[ 0.482648] random: systemd: uninitialized urandom read (16 bytes read)
[ 0.482695] systemd[1]: Created slice system-serial\x2dgetty.slice.
[ OK ] Created slice system-serial\x2dgetty.slice.
[ 0.482752] systemd[1]: Started Forward Password Requests to Wall
Directory Watch.
[ OK ] Started Forward Password Requests to Wall Directory Watch.
[ 0.482777] systemd[1]: Reached target Swap.
[ OK ] Reached target Swap.
[ 0.482835] systemd[1]: Created slice User and Session Slice.
[ OK ] Created slice User and Session Slice.
[ OK ] Reached target Remote File Systems.
[ OK ] Listening on Journal Socket (/dev/log).
[ OK ] Listening on /dev/initctl Compatibility Named Pipe.
[ OK ] Listening on Journal Socket.
Starting Journal Service...
Mounting POSIX Message Queue File System...
Starting Remount Root and Kernel File Systems...
Mounting Kernel Debug File System...
[ OK ] Started Dispatch Password Requests to Console Directory Watch.
[ OK ] Reached target Local Encrypted Volumes.
[ OK ] Reached target Paths.
Starting Create Static Device Nodes in /dev...
Mounting Huge Pages File System...
Starting Load Kernel Modules...
[ OK ] Reached target Slices.
[ OK ] Started Create Static Device Nodes in /dev.
[ OK ] Started Journal Service.
[ OK ] Mounted POSIX Message Queue File System.
[ OK ] Started Remount Root and Kernel File Systems.
[ OK ] Mounted Kernel Debug File System.
[ OK ] Mounted Huge Pages File System.
[ OK ] Started Load Kernel Modules.
Starting Apply Kernel Variables...
Mounting FUSE Control File System...
Starting Load/Save Random Seed...
Starting Flush Journal to Persistent Storage...
[ OK ] Reached target Local File Systems (Pre).
[ OK ] Reached target Local File Systems.
[ OK ] Started Apply Kernel Variables.
[ OK ] Started Load/Save Random Seed.
[ OK ] Mounted FUSE Control File System.
[ OK ] Started Flush Journal to Persistent Storage.
Starting Create Volatile Files and Directories...
[ OK ] Started Create Volatile Files and Directories.
Starting Network Time Synchronization...
Starting Network Name Resolution...
Starting Update UTMP about System Boot/Shutdown...
[ OK ] Started Update UTMP about System Boot/Shutdown.
[ OK ] Started Network Name Resolution.
[ OK ] Reached target Host and Network Name Lookups.
[ OK ] Started Network Time Synchronization.
[ OK ] Reached target System Time Synchronized.
[ OK ] Reached target System Initialization.
[ OK ] Started Daily apt download activities.
[ OK ] Started Daily apt upgrade and clean activities.
[ OK ] Started Message of the Day.
[ OK ] Started Daily Cleanup of Temporary Directories.
[ OK ] Listening on D-Bus System Message Bus Socket.
[ OK ] Reached target Sockets.
[ OK ] Started Discard unused blocks once a week.
[ OK ] Reached target Timers.
[ OK ] Reached target Basic System.
Starting Login Service...
Starting OpenBSD Secure Shell server...
Starting Dispatcher daemon for systemd-networkd...
[ OK ] Started Set the CPU Frequency Scaling governor.
[ OK ] Started D-Bus System Message Bus.
[ OK ] Started Login Service.
Starting Permit User Sessions...
[ OK ] Started Permit User Sessions.
[ OK ] Started Getty on tty1.
[ OK ] Started OpenBSD Secure Shell server.
[ OK ] Started Dispatcher daemon for systemd-networkd.
[ TIME ] Timed out waiting for device dev-ttyAMA0.device.
[DEPEND] Dependency failed for Serial Getty on ttyAMA0.
[ OK ] Reached target Login Prompts.
[ OK ] Reached target Multi-User System.
[ OK ] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[ OK ] Started Update UTMP about System Runlevel Changes.
Please help me!
Best regrads,
Nikolaos
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