【OLK-5.10】海光Hygon C86 7390&7380 LTP测试cpuhotplug04失败

CPU： 海光Hygon C86 7390和海光Hygon C86 7380
内核： 5.10.0-197.0.0.110.ile2312sp1.x86_64和5.10.0-136.37.0.113.oe2203sp1.x86_64
问题频率： 必现
操作步骤： ./runltp -s cpuhotplug04
错误日志：

<<<test_start>>>
tag=cpuhotplug04 stime=1720096235
cmdline="cpuhotplug04.sh -l 1"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
Name:   cpuhotplug04
Date:   Thu Jul  4 08:30:35 PM CST 2024
Desc:   Does it prevent us from offlining the last CPU?

/opt/ltp/testcases/bin/cpuhotplug_hotplug.sh: line 99: echo: write error: No space left on device
cpuhotplug04 1 TFAIL: Could not offline cpu126
<<<execution_status>>>
initiation_status="ok"
duration=11 termination_type=exited termination_id=1 corefile=no
cutime=41 cstime=234
<<<test_end>>>
INFO: ltp-pan reported some tests FAIL
LTP Version: 20220121

       ###############################################################

            Done executing testcases.
            LTP Version:  20220121
       ###############################################################

dmesg信息：
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【OLK-5.10】海光Hygon C86 7390&7380 LTP测试cpuhotplug04失败

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