[Bug]: ai demo share_memory not free

[wangjianxin-canaan]

What happened

ai demo 运行几次后 share_memory就会耗尽，随后打印类似下面错误：

memPartAlignedAlloc mpid->numBytesFree less than nBytes

isp_f2k_cfg:total_width =3476,total_height =1166
mediactl_init:total_size.width(0xd94),total_size.height(0x48e)
---------------------------start ----------------------------------------
[ 1008.590420] [K510_RESET]:k510_reset id = 0x01404f80, offset = 0x00000140 type = 1 done = 31 reset =0
[ 1008.837915] k510-share-memory: [ERROR] memPartAlignedAlloc mpid->numBytesFree less than nBytes!
[ 1008.891306] Unable to handle kernel paging request at virtual address 000000433cacbcbc
[ 1008.899276] Oops [#1]
[ 1008.901571] Modules linked in:
[ 1008.904676] CPU: 0 PID: 1166 Comm: object_detect_o Not tainted 4.17.0-g732c4420-dirty #14
[ 1008.908425] Unable to handle kernel paging request at virtual address 000000643c7fbcb0
[ 1008.912885] sepc: ffffffe0000eef3a ra : ffffffe0000f0514 sp : ffffffe009aff860
[ 1008.928021] gp : ffffffe0008ebde8 tp : ffffffe007956340 t0 : ffffffe00156f300
[ 1008.935248] t1 : 0000000000000000 t2 : 00000000014002c4 s0 : ffffffe009aff8f0
[ 1008.942476] s1 : ffffffe00156f298 a0 : ffffffe00156f298 a1 : 0000000000001000
[ 1008.949704] a2 : ffffffd018280000 a3 : ffffffd016f80000 a4 : ffffffe00a736bf8
[ 1008.956931] a5 : bd21bc433cacbccc a6 : 0000000000000008 a7 : ffffffff8012000d
[ 1008.964158] s2 : 000000000023f000 s3 : 0000000000080000 s4 : ffffffd000000000
[ 1008.971386] s5 : ffffffdfffffffff s6 : fffffffffff80000 s7 : 000000000007ffff
[ 1008.978613] s8 : ffffffd00023f000 s9 : 0000000000000000 s10: ffffffe00087c230
[ 1008.985840] s11: 00000000014000c0 t3 : ffffffffffffffff t4 : ffffffffffffff80
[ 1008.993066] t5 : 0000000000000038 t6 : 0000000000000400
[ 1008.998383] sstatus: 0000000200000120 sbadaddr: 000000433cacbcbc scause: 000000000000000d

Reproduction steps

重复如下步骤：

1. cd /app/ai/object_detect_opencv
2. ./bf16.sh
3. ctrl +C
4. ./uint8.sh

Hardware board

k510 crb kit

Software version

No response

Bug frequency

1/30

Anything else

No response