JVM Crash on armv7 [resend ]

[Chris Phillips @ T O]

Hi

On 02/05/14 05:49 AM, Daniel McGreal wrote:
> Hi Severin,
> Thanks for your reply. I don’t know about the Shark variant I’m 
> afraid, as this is an off-the-shelf device over which we don’t have 
> much control. Is there a way for me to find out for sure?
> I did forget the logs, but then I sent them in a second message 
> immediately afterwards so not sure where they went, either way they’re 
> downloadable at http://djmfiles.s3.amazonaws.com/OpenJDK-Singal11.zip .
>
> In trying to reproduce this crash with simpler code, I have created 
> the following code, which provokes a crash too, but this time a Signal 
> 4. Reproduction code and logs are at 
> http://djmfiles.s3.amazonaws.com/OpenJDK-Signal4-Logs.zip and 
> http://djmfiles.s3.amazonaws.com/OpenJDK-Signal4.zip.
>
> Very best, Dan.
>
>
> On 2 May 2014, at 10:32, Severin Gehwolf <sgehwolf at redhat.com 
> <mailto:sgehwolf at redhat.com>> wrote:
>
>> Hi Dan,
>>
>> On Thu, 2014-05-01 at 10:55 +0100, Daniel McGreal wrote:
>>> Hi,
>>> We write Java software thats run in embedded devices. On one such
>>> device, our application reliably crashes after several hours of
>>> operation. The typical activity of the application is forwarding
>>> responses from the device (over a perpetual TCP connection) into an
>>> AMQP exchange (again, perpetual TCP connection) and does not vary
>>> greatly over time.
>>>
>>> Here are some details of the crash and its environment:
>>>
>>> #
>>> # A fatal error has been detected by the Java Runtime Environment:
>>> #
>>> #  Internal Error (os_linux_zero.cpp:270), pid=24829, tid=1354962032
>>> #  fatal error: caught unhandled signal 11
>>> #
>>> # JRE version: 6.0_24-b24
>>> # Java VM: OpenJDK Zero VM (20.0-b12 mixed mode linux-arm )

This is an older version of the ARM32 asm jit jvm.
If possible you should try a newer version as there have
been bug fixes since 24.
I'll take a look at the logs and the test.

>>
>> This seems to indicate that you are using the shark variant of zero. Can
>> you confirm?
>>
>>> # Derivative: IcedTea6 1.12pre
>>> # Distribution: Built for
>>> # If you would like to submit a bug report, please include
>>> # instructions how to reproduce the bug and visit:
>>> # http://icedtea.classpath.org/bugzilla
>>> #
>>>
>>> System details are:
>>> OS:Linux
>>> uname:Linux 2.6.32.8.ti-omap3-am3517-evm #55 PREEMPT Mon Mar 3 
>>> 17:00:29 IST 2014 armv7l
>>> libc:glibc 2.11.1 NPTL 2.11.1
>>> rlimit: STACK 8192k, CORE 2048k, NPROC 1996, NOFILE 1024, AS infinity
>>> load average:0.00 0.00 0.00
>>>
>>> Three full crash reports are attached reports are included. Any help
>>> with this issue would be greatly appreciated.
>>
>> It appears the mailing list software scrubbed your attachments or you
>> forgot to attach them. Could you perhaps upload the logs somewhere?
>>
>> Cheers,
>> Severin
>
Chris

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