Hi All:
I use gem5 .config which can bootup successfully with 4.14 kernel
downloaded from gem5 website, but when I use this .config to compile ubuntu
18.04.5’s kernel(4.15.0), it can’t bootup with fs.py.
It hanged here:
root@ubuntu:/home/l00515693/gem5_1P1DIE# ./build/ARM/gem5.opt -d
/home/l00515693/m5out configs/example/fs.py --cpu-type=ArmV8KvmCPU
--kernel=vmlinux-4.15.0 -n 1 --machine-type=VExpress_GEM5_V1
--disk-image=expanded-ubuntu-base-18.04.5-base-arm64.img
--disk-image=expanded-ubuntu-base-18.04.5-base-arm64-blank1.img
--disk-image=expanded-ubuntu-base-18.04.5-base-arm64-blank2.img
--disk-image=expanded-ubuntu-base-18.04.5-base-arm64-blank3.img --caches
--l2cache --l1d_size=64kB --l1i_size=64kB --l2_size=512kB --l1d_assoc=4
--l1i_assoc=4 --l2_assoc=16 --cacheline_size=64 --cpu-clock=2.6GHz
--script=script/boot_ceph_1_1P1DIE_ruby.rcS --mem-size=4GB --param
'system.realview.gic.gem5_extensions = True'
warn: CheckedInt already exists in allParams. This may be caused by the Python
2.7 compatibility layer.
warn: Enum already exists in allParams. This may be caused by the Python 2.7
compatibility layer.
warn: ScopedEnum already exists in allParams. This may be caused by the Python
2.7 compatibility layer.
gem5 Simulator System. http://gem5.org
gem5 is copyrighted software; use the --copyright option for details.
gem5 version 20.0.0.3
gem5 compiled Oct 26 2020 10:01:48
gem5 started Nov 30 2020 09:27:51
gem5 executing on ubuntu, pid 185766
command line: ./build/ARM/gem5.opt -d /home/l00515693/m5out
configs/example/fs.py --cpu-type=ArmV8KvmCPU --kernel=vmlinux-4.15.0 -n 1
--machine-type=VExpress_GEM5_V1
--disk-image=expanded-ubuntu-base-18.04.5-base-arm64.img
--disk-image=expanded-ubuntu-base-18.04.5-base-arm64-blank1.img
--disk-image=expanded-ubuntu-base-18.04.5-base-arm64-blank2.img
--disk-image=expanded-ubuntu-base-18.04.5-base-arm64-blank3.img --caches
--l2cache --l1d_size=64kB --l1i_size=64kB --l2_size=512kB --l1d_assoc=4
--l1i_assoc=4 --l2_assoc=16 --cacheline_size=64 --cpu-clock=2.6GHz
--script=script/boot_ceph_1_1P1DIE_ruby.rcS --mem-size=4GB --param
'system.realview.gic.gem5_extensions = True'
Global frequency set at 1000000000000 ticks per second
warn: DRAM device capacity (8192 Mbytes) does not match the address range
assigned (4096 Mbytes)
info: kernel located at: /home/l00515693/fs-image_fx/binaries/vmlinux-4.15.0
warn: Highest ARM exception-level set to AArch32 but the workload is for
AArch64. Assuming you wanted these to match.
system.vncserver: Listening for connections on port 5900
system.terminal: Listening for connections on port 3456
system.realview.uart1.device: Listening for connections on port 3457
system.realview.uart2.device: Listening for connections on port 3458
system.realview.uart3.device: Listening for connections on port 3459
0: system.remote_gdb: listening for remote gdb on port 7000
info: Using bootloader at address 0x10
info: Using kernel entry physical address at 0x80080000
info: Loading DTB file: /home/l00515693/m5out/system.dtb at address 0x88000000
**** REAL SIMULATION ****
info: KVM: Coalesced MMIO disabled by config.
warn: Existing EnergyCtrl, but no enabled DVFSHandler found.
info: Entering event queue @ 0. Starting simulation...
warn: Returning zero for read from miscreg pmintenset_el1
warn: Returning zero for read from miscreg pmintenclr_el1
warn: Returning zero for read from miscreg pmcr_el0
warn: Returning zero for read from miscreg pmcntenset_el0
warn: Returning zero for read from miscreg pmcntenclr_el0
warn: Returning zero for read from miscreg pmovsclr_el0
warn: Returning zero for read from miscreg pmswinc_el0
warn: Returning zero for read from miscreg pmselr_el0
warn: Returning zero for read from miscreg pmccntr_el0
warn: Returning zero for read from miscreg pmuserenr_el0
warn: Returning zero for read from miscreg pmovsset_el0
warn: Returning zero for read from miscreg pmevcntr0_el0
warn: Returning zero for read from miscreg pmevcntr1_el0
warn: Returning zero for read from miscreg pmevcntr2_el0
warn: Returning zero for read from miscreg pmevcntr3_el0
warn: Returning zero for read from miscreg pmevcntr4_el0
warn: Returning zero for read from miscreg pmevcntr5_el0
warn: Returning zero for read from miscreg pmevtyper0_el0
warn: Returning zero for read from miscreg pmevtyper1_el0
warn: Returning zero for read from miscreg pmevtyper2_el0
warn: Returning zero for read from miscreg pmevtyper3_el0
warn: Returning zero for read from miscreg pmevtyper4_el0
warn: Returning zero for read from miscreg pmevtyper5_el0
warn: Returning zero for read from miscreg pmccfiltr_el0
warn: SCReg: Access to unknown device dcc0:site0:pos0:fn7:dev0
warn: Tried to read RealView I/O at offset 0x60 that doesn't exist
warn: Tried to read RealView I/O at offset 0x48 that doesn't exist
25216465738695: system.terminal: attach terminal 0
________________________________
李翼超（Charlie）
华为技术有限公司 Huawei Technologies Co., Ltd.
[Company_logo]
部门：计算系统与组件开发部 [云与计算BG]
手 机：15858232899
电子邮件：liyic...@huawei.com<mailto:liyic...@huawei.com>
地址：中国(China)-杭州(Hangzhou)-滨江区江淑路360号华为杭州研发中心Z4# [3-A06]
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