[gem5-users] Kernel panic when using ubuntu-18.04-arm64-docker.img

[kong han via gem5-users]

Hi all,
Now I using the Latest linux kernel and disk images to run fs mode with KVM CPU 
  (https://www.gem5.org/documentation/general_docs/fullsystem/guest_binaries), 
and I mount the image and modify the mnt-dir/init.gem5 to readfile from the 
–script, then I run this script, but after that, I have the Kernal panic, and 
can’t run next step, how could I solve this problem?
The error is :
+ mount -t proc - /proc
+ mount -t sysfs - /sys
+ mount -t debugfs - /sys/kernel/debug/
+ [ -e /dev/sdb1 ]
+ [ -e /dev/sdb ]
+ [ -e /dev/vdb1 ]
+ [ -e /dev/vdb ]
+ [ -e /dev/vda1 ]
+ [ -e /dev/vda ]
+ f=/tmp/script
+ /sbin/m5 --addr 0x10010000 readfile
+ chmod 777 /tmp/my_script
+ exec /tmp/my_script
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
[    4.428566] Kernel panic - not syncing: Attempted to kill init! 
exitcode=0x00000000
[    4.428566]
[    4.430528] CPU: 0 PID: 1 Comm: sh Not tainted 4.18.0+ #1
[    4.431673] Hardware name: V2P-CA15 (DT)
[    4.432596] Call trace:
[    4.433314]  dump_backtrace+0x0/0x1c0
[    4.434125]  show_stack+0x14/0x20
[    4.435046]  dump_stack+0x8c/0xac
[    4.435837]  panic+0x130/0x288
[    4.436563]  complete_and_exit+0x0/0x20
[    4.437473]  do_group_exit+0x38/0xa0
[    4.438310]  __wake_up_parent+0x0/0x28
[    4.439181]  el0_svc_naked+0x30/0x34
[    4.440043] Kernel Offset: disabled
[    4.440911] CPU features: 0x22800210
[    4.441720] Memory Limit: 512 MB
[    4.442503] ---[ end Kernel panic - not syncing: Attempted to kill init! 
exitcode=0x00000000
[    4.442503]  ]---

The init.gem5 I modify is :
#!/bin/sh
set -ex
mount -t proc - /proc
mount -t sysfs - /sys
mount -t debugfs - /sys/kernel/debug/
for DEV in /dev/sdb1 /dev/sdb /dev/vdb1 /dev/vdb /dev/vda1 /dev/vda; do
  if [ -e "${DEV}" ]; then
    mount "${DEV}" /data
    break
  fi
done
f=/tmp/script
/sbin/m5 --addr 0x10010000 readfile > /tmp/my_script
chmod 777 /tmp/my_script
exec /tmp/my_script
exec /sbin/getty -a root -L ttyAMA0 vt102

And my cmd is :
./build/ARM/gem5.opt \
    -d ./m5out/   \
    ./configs/example/fs.py  \
    --disk=../image/ubuntu-18.04-arm64-docker.img  \
    --kernel=../aarch-system-201901106/binaries/vmlinux.arm64  \
    --cpu-type=ArmV8KvmCPU  \
    --bootloader=../kernel/aarch-system-201901106/binaries/boot.arm64  \
    --script=../gem5/temp-rcs/t1.rcS  \



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