Fixed
Created: Jan 21, 2020
Updated: Apr 15, 2020
Resolved Date: Mar 23, 2020
Found In Version: 10.17.41.19
Fix Version: 10.17.41.20
Severity: Severe
Applicable for: Wind River Linux LTS 17
Component/s: Kernel
Running boot -> reboot testing, it met this issue, there are too many the following messages
—
1256 printk messages dropped ** [ 13.358656] WARNING: CPU: 1 PID: 225 at kernel/cpu.c:276 unpin_current_cpu+0x78/0x80
—
and kernel can not boot up.
The kernel is preempt-rt(CONFIG_PREEMPT_RT_FULL=y).
If added "ftrace=function ftrace_dump_on_oops=orig_cpu" to bootparams,
the reproduced time is shorter.
Please the attached ftrace log.
(it also added "panic_on_warn=1" to bootparams)
