Thanks，it works with your souliton, I can login the desktop now.
I managed to run a drystone benchmark on VF2. The total dmips is about 15000DMIPS, 2.5DMIPS/MHz. Its similar with ARM Cortex-A53. No surprise, but it sitll the most pwoerful RV SBC now.
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这个最新的镜像starfive-jh7110-VF2-VF2_515_v2.3.0-55 会出现突然死机情况，串口打印内核oops错误，部分日志：
Unable to handle kernel paging request at virtual address ffffffe0d2d31e00
[ 649.577425] Oops [#1]
[ 649.579698] Modules linked in: jpu(O) venc(O) vdec(O)
[ 649.584761] CPU: 2 PID: 393 Comm: X Tainted: G O 5.15.0-starfive #1
[ 649.592332] Hardware name: StarFive VisionFive V2 (DT)
[ 649.597469] epc : 0xffffffe0d2d31e00
[ 649.601045] ra : 0xffffffe0d2d31e00
[ 649.604619] epc : ffffffe0d2d31e00 ra : ffffffe0d2d31e00 sp : ffffffd004263900
[ 649.611846] gp : ffffffff814ff5c0 tp : ffffffe0c1ce2800 t0 : 0000000000000004
[ 649.619073] t1 : 00000000000a5bac t2 : 0000000000000025 s0 : ffffffe0d2d25680
[ 649.626299] s1 : ffffffe0d2a32e08 a0 : 0000000000000000 a1 : ffffffe17b57c000
[ 649.633528] a2 : 00000000000a5bab a3 : ffffffe0fc1a1c70 a4 : ffffffe0fc1a1c78
[ 649.640758] a5 : ffffffff81533218 a6 : ffffffe0d2d31a00 a7 : 0000000000000002
[ 649.647986] s2 : ffffffff8103ecd0 s3 : 4dee56f4be591300 s4 : ffffffd004263918
[ 649.655212] s5 : ffffffff810440a8 s6 : ffffffff8103ecd0 s7 : ffffffe0d2a32e00
[ 649.662439] s8 : ffffffff814ae4a0 s9 : 000000000000008c s10: ffffffff81501848
[ 649.669666] s11: ffffffe0c1602000 t3 : 4dee56f4be591300 t4 : 00000000000001d5
[ 649.676892] t5 : 0000000000001818 t6 : ffffffe0d2d31e21
[ 649.682202] status: 0000000200000120 badaddr: ffffffe0d2d31e00 cause: 000000000000000c
[ 649.690174] —[ end trace 7668094fb298e46c ]—
[ 649.955952] PVR_K: 393: X disconnected - (devID = 0)
sbi_trap_error: hart2: illegal instruction handler failed (error -2)
sbi_trap_error: hart2: mcause=0x0000000000000002 mtval=0x0000000000000000
sbi_trap_error: hart2: mepc=0x0000000040012c08 mstatus=0x0000000a00001820
sbi_trap_error: hart2: ra=0x0000000040012c08 sp=0x0000000040054d18
sbi_trap_error: hart2: gp=0xffffffff814ff5c0 tp=0xffffffe0bff40a00
sbi_trap_error: hart2: s0=0x0000000040054d28 s1=0x0000000000000000
sbi_trap_error: hart2: a0=0x000000009d6142f7 a1=0x0000000001400001
sbi_trap_error: hart2: a2=0x0000000000000001 a3=0x0000000000000c01
sbi_trap_error: hart2: a4=0x0000000040012b7c a5=0x00000000400480b0
sbi_trap_error: hart2: a6=0x00000000026c0dd8 a7=0x000000000000005a
sbi_trap_error: hart2: s2=0x0000000040054d68 s3=0x0000000000000001
sbi_trap_error: hart2: s4=0x0000000000000000 s5=0x0000000000018020
sbi_trap_error: hart2: s6=0x0000000000000000 s7=0x0000000000000c01
sbi_trap_error: hart2: s8=0xffffffe0fc18c780 s9=0xffffffe0c46c0828
sbi_trap_error: hart2: s10=0x0000000000000001 s11=0x0000000000000000
sbi_trap_error: hart2: t0=0x0000000a00000820 t1=0xffffffd00408bd28
sbi_trap_error: hart2: t2=0x0000000000000000 t3=0x0000000000000000
sbi_trap_error: hart2: t4=0x0000000000000000 t5=0x0000000000000000
sbi_trap_error: hart2: t6=0x0000000000000000
[ 671.004322] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[ 671.010263] (detected by 0, t=2102 jiffies, g=22341, q=500)
[ 671.015924] rcu: All QSes seen, last rcu_sched kthread activity 2103 (4295004391-4295002288), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 671.028184] rcu: rcu_sched kthread timer wakeup didn’t happen for 2103 jiffies! g22341 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x200
[ 671.039401] rcu: Possible timer handling issue on cpu=1 timer-softirq=1978
[ 671.046365] rcu: rcu_sched kthread starved for 2106 jiffies! g22341 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x200 ->cpu=1
[ 671.056628] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior.
[ 671.065591] rcu: RCU grace-period kthread stack dump:
[ 671.070639] task:rcu_sched state:R stack: 0 pid: 11 ppid: 2 flags:0x00000000
[ 671.079000] Call Trace:
[ 671.081444] [] __schedule+0x204/0x4ca
[ 671.086681] [] schedule+0x58/0xcc
[ 671.091563] [] schedule_timeout+0x68/0xda
[ 671.097141] [] rcu_gp_fqs_loop+0x22e/0x2de
[ 671.102804] [] rcu_gp_kthread+0xf4/0x118
[ 671.108294] [] kthread+0x100/0x112
[ 671.113262] [] ret_from_exception+0x0/0xc
[ 671.118839] rcu: Stack dump where RCU GP kthread last ran:
[ 671.124325] Task dump for CPU 1:
[ 671.127550] task:swapper/1 state:R running task stack: 0 pid: 0 ppid: 1 flags:0x00000000
好的