Linux Troubleshooting

kernel: clocksource tsc unstable

2023-12-28  本文已影响0人  yangqing

环境

问题

Dec 29 15:24:18 localhost kernel: Clocksource tsc unstable (delta = 723800ns).  Enable clocksource failover by adding clocksource_failover kernel parameter.
Dec 29 15:24:18 localhost kernel: Clocksource tsc unstable (delta = 723800ns).  Enable clocksource failover by adding clocksource_failover kernel parameter.

解决

$ cat /sys/devices/system/clocksource/clocksource0/available_clocksource
$ cat /sys/devices/system/clocksource/clocksource0/available_clocksource 
tsc hpet acpi_pm 
$ cat /sys/devices/system/clocksource/clocksource0/current_clocksource
$ cat /sys/devices/system/clocksource/clocksource0/current_clocksource 
tsc
# echo <新时钟源选择> > /sys/devices/system/clocksource/clocksource0/current_clocksource
clocksource=<时钟源选择>

诊断步骤

Dec 29 15:24:18 localhost kernel: Clocksource tsc unstable (delta = 723800ns).  Enable clocksource failover by adding clocksource_failover kernel parameter.
Dec 29 15:24:18 localhost kernel: Clocksource tsc unstable (delta = 723800ns).  Enable clocksource failover by adding clocksource_failover kernel parameter.
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