Re: [Linux kernel bug] INFO: task hung in blk_mq_get_tag

[Hillf Danton]

On Tue, 14 May 2024 20:07:34 +0800 Sam Sun <samsun1006219@xxxxxxxxx>
> 
> I tried to run
> 
> # echo 0 > /proc/sys/kernel/hung_task_all_cpu_backtrace
> 
> before running the reproducer, the kernel stops panic. But still, even
> if I terminate the execution of the reproducer, kernel continues
> dumping task hung logs. After setting bung_task_all_cpu_backtrace back
> to 1, it panic immediately during next dump. So I guess it is still a
> task hung instead of general protection fault.

Given kworker/u10:2:53 blocked for more than 143 seconds, or the subject
line, how could it trigger gpf?