JVM Crash @ ZPageCache::alloc_small_page()

Per Liden per.liden at oracle.com
Mon Nov 9 19:24:47 UTC 2020


Hi Ruslan,

I had a look at the hs_err and the point where it crashes, and it looks 
like memory some kind of corruption. I haven't see this error before. Is 
it only reproducible when running inside a Virtuozzo container?

cheers,
Per

On 11/7/20 5:20 PM, Ruslan Synytsky wrote:
> Hi Per, we faced a strange issue with constant JVM crashes when using 
> ZGC. The crash log is attached. We run JVM inside Virtuozzo containers. 
> Could you please take a look and advise on how it can be fixed?
> Thank you
> 
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  SIGSEGV (0xb) at pc=0x00007f4f5e226f43, pid=6428, tid=6544
> #
> # JRE version: OpenJDK Runtime Environment (15.0.1+9) (build 15.0.1+9-18)
> # Java VM: OpenJDK 64-Bit Server VM (15.0.1+9-18, mixed mode, sharing, 
> tiered, z gc, linux-amd64)
> # Problematic frame:
> # V  [libjvm.so+0xdbdf43]  ZPageCache::alloc_small_page()+0x33
> #
> # No core dump will be written. Core dumps have been disabled. To enable 
> core dumping, try "ulimit -c unlimited" before starting Java again
> #
> # If you would like to submit a bug report, please visit:
> # https://bugreport.java.com/bugreport/crash.jsp
> #
> 
> ---------------  S U M M A R Y ------------
> 
> Command Line: -XX:+UnlockExperimentalVMOptions 
> -XX:ZCollectionInterval=900 -Xmaxf0.3 -Xminf0.1 -Xmx409M -Xms32M 
> -XX:+UseZGC -Xlog:gc jelastic-helloworld-1.1.war
> 
> Host: Intel(R) Xeon(R) E-2136 CPU @ 3.30GHz, 1 cores, 512M, CentOS Linux 
> release 7.8.2003 (Core)
> Time: Thu Nov  5 10:32:35 2020 UTC elapsed time: 0.105994 seconds (0d 0h 
> 0m 0s)
> 
> 
> -- 
> Ruslan Synytsky
> CEO @ Jelastic Multi-Cloud PaaS <https://jelastic.com/>
> 
> 
> 


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