Deadlock while running SPECjbb2013

Lokesh Gidra lokesh.gidra at yahoo.com
Wed Apr 24 15:31:57 UTC 2013


I have tried it with the murcurial head of OpenJDK7u as well. Its the same.

Lokesh




----- Original Message -----
> From: Mikael Gerdin <mikael.gerdin at oracle.com>
> To: Jon Masamitsu <jon.masamitsu at oracle.com>
> Cc: hotspot-gc-dev at openjdk.java.net
> Sent: Wednesday, 24 April 2013 5:03 PM
> Subject: Re: Deadlock while running SPECjbb2013
> 
> It would also be a good idea to try with a more recent version of he 
> JDK. A lot of bugs have been fixed since JDK7 GA (which is b147).
> 
> /Mikael
> 
> On 04/24/2013 04:16 PM, Jon Masamitsu wrote:
>>  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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