RE: [外部邮件] Re: [PATCH][v3] hung_task: Panic after fixed number of hung tasks

Li,Rongqing lirongqing at baidu.com
Tue Oct 14 13:03:19 AEDT 2025



> > diff --git a/Documentation/admin-guide/kernel-parameters.txt
> b/Documentation/admin-guide/kernel-parameters.txt
> > index a51ab46..7d9a8ee 100644
> > --- a/Documentation/admin-guide/kernel-parameters.txt
> > +++ b/Documentation/admin-guide/kernel-parameters.txt
> > @@ -1992,14 +1992,20 @@
> >  			the added memory block itself do not be affected.
> >
> >  	hung_task_panic=
> > -			[KNL] Should the hung task detector generate panics.
> > -			Format: 0 | 1
> > +			[KNL] Number of hung tasks to trigger kernel panic.
> > +			Format: <int>
> > +
> > +			Set this to the number of hung tasks that must be
> > +			detected before triggering a kernel panic.
> > +
> > +			0: don't panic
> > +			1: panic immediately on first hung task
> > +			N: panic after N hung tasks are detect
> 
> 			                            are detected
> 

Thanks, will fix in next version

-Li




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