Kernel Panic

Christophe DUMONT Christophe.DUMONT at yoni.fr
Tue Oct 22 05:38:59 EDT 2019


Hello, 

 

We downgraded to older kernel. We still facing the same Kernel Panic with different Kernel. 

 

 

Christophe Dumont

Ligne directe : 0476842574



 

De : Valdis Kletnieks <valdis at vt.edu> De la part de Valdis Kletnieks
Envoyé : mercredi 16 octobre 2019 16:17
À : Christophe DUMONT <Christophe.DUMONT at yoni.fr>
Cc : kernelnewbies at kernelnewbies.org
Objet : Re: Kernel Panic

 

On Wed, 16 Oct 2019 07:34:01 -0000, Christophe DUMONT said: 

> What made me think about a memory leak is the message : Java Not Tainted 3.10.0-1062.1.1.el7.x86_64.=20 

That just tells you that the currently executing process was java. 

It says nothing at all about a memory leak, and as I already mentioned, if Java 
was leaking memory, it would almost certainly have been leaking memory on a 
previous kernel. 

The important part almost always isn't the running process, it's the kernel 
stack traceback, which in this case has 'futex' scribbled *all* over it. 

General rule of thumb: 

If you get more than one crash that has a similar traceback that points at a 
specific syscall, or file system driver, etc, the bug is almost guaranteed to 
be in that code. 

If you get a rash of crashes with *different* tracebacks, you probably have 
some other code that's overlaying memory. 

 
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