Deadlock while running SPECjbb2013

[Jon Masamitsu]

I don't think we've seen this.  What OS?

I can create a bug report for this.  Please send the info needed to
reproduce it.

Thanks.

Jon

On 4/23/13 4:59 AM, Lokesh Gidra wrote:
> Hello,
>
> I am trying to experiment SPECjbb2013 on a 48-core AMD machine with 
> the following command line options on OpenJDK7 build 147:
>
> -XX:ParallelGCThreads=46 -Xms8g -Xmx8g -XX:+UseParallelOldGC 
> -XX:+DisableExplicitGC -XX:-UseLargePages -XX:-UseCompressedOops
>
> The execution hangs sometimes. When I attached the process to gdb, 
> found that the GC threads are stuck in the marking phase of Old 
> generation collection. The bug also hits with lesser GC threads. I am 
> wondering if this is a known issue.
>
> Regards,
> Lokesh

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