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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