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<div class="moz-cite-prefix">Hi Nezih,<br>
<br>
I've filed this bug:<br>
<a class="moz-txt-link-freetext" href="https://bugs.openjdk.java.net/browse/JDK-8202883">https://bugs.openjdk.java.net/browse/JDK-8202883</a><br>
crash in the JvmtiExport::post_compiled_method_load<span
class="overlay-icon aui-icon aui-icon-small aui-iconfont-edit"></span><br>
<br>
Please, feel free to add any details when you have them.<br>
They are very important to reproduce the crash.<br>
For instance, what GC was used in scenario with this crash?<br>
<br>
Thank you for reporting the issue!<br>
Serguei<br>
<br>
<br>
On 5/8/18 16:51, <a class="moz-txt-link-abbreviated" href="mailto:serguei.spitsyn@oracle.com">serguei.spitsyn@oracle.com</a> wrote:<br>
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<blockquote type="cite"
cite="mid:5f503288-7e2a-2f0b-5bfe-b8c8c6222d18@oracle.com">
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<div class="moz-cite-prefix">Hi Nezih,<br>
<br>
Crashing in the JvmtiExport::post_compiled_method_load function<br>
does not prove itself that it is a VM issue.<br>
And there are mo specific details in the log that help to
understand this.<br>
Filing a bug with this log is almost useless as it would not
help to get to the root cause.<br>
Also, there is still a pretty big chance the real problem is in
the agent.<br>
<br>
My advice is to get as more details about this crash as
possible.<br>
The best you can do is to provide a stand alone test case.<br>
Even if the issue is in the agent it will help to figure it out.<br>
<br>
Thanks,<br>
Serguei<br>
<br>
<br>
On 5/8/18 16:38, nezih yigitbasi wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CALur2hUnJOkVX+gi4VRRj-rc+vk=ck77egYCKYh=J1-4fEkB6g@mail.gmail.com">
<div dir="ltr">Hi Serguei,
<div>We don't have a repro unfortunately. We have seen this
only once so far in our production environment. </div>
<div><br>
<div>Do you think this can be an agent issue? I thought like
if it was an agent issue the stack trace would show it.
The stack trace, however, ends in the VM code -- the crash
happens in the "JvmtiExport::post_compiled_method_load"
method.</div>
</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Nezih</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">2018-05-08 16:34 GMT-07:00 <a
href="mailto:serguei.spitsyn@oracle.com"
moz-do-not-send="true">serguei.spitsyn@oracle.com</a> <span
dir="ltr"><<a href="mailto:serguei.spitsyn@oracle.com"
target="_blank" moz-do-not-send="true">serguei.spitsyn@oracle.com</a>></span>:<br>
<blockquote class="gmail_quote">
<div>
<div class="m_5351634827283183755moz-cite-prefix">Hi
Nezih,<br>
<br>
You error file with log does not help much.<br>
Could you, please, reproduce this issue with the debug
or fastdebug build?<br>
Also, a standalone test case is better to provide to<br>
increase chances the issue to be investigated and
fixed.<br>
<br>
In general, a JVMTI agent has to be written very
carefully as it can easily cause the VM to crash.<br>
So, it makes sense to look at the agent implementation
first to make sure it does not do anything wrong.<br>
It is what we normally do first and why a test case
that demonstrates the problem is needed.<br>
<br>
Thanks,<br>
Serguei
<div>
<div class="h5"><br>
<br>
<br>
On 5/8/18 16:00, nezih yigitbasi wrote:<br>
</div>
</div>
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<div>
<div class="h5">
<blockquote type="cite">
<div dir="ltr">Hi,
<div><br>
</div>
<div>First of all, sorry for bringing up a crash
issue in this dev mailing list, but the crash
report submission page (<a
href="https://bugreport.java.com/bugreport/crash.jsp"
target="_blank" moz-do-not-send="true">https://bugreport.java.com/<wbr>bugreport/crash.jsp</a>)
doesn't list Java 9 in the release drop down,
so I couldn't report it there.</div>
<div><br>
</div>
<div>We recently got a crash with Java 9.0.1+11
with an interesting stack ending at
"JvmtiExport::post_compiled_<wbr>method_load()"
(entire error file is <a
href="https://gist.github.com/nezihyigitbasi/52a58698cc9acfcab21c69d00bd0cef2"
target="_blank" moz-do-not-send="true">here</a>).
A google search didn't end up with much info,
so I just wanted to check with this mailing
list to see whether anyone has any ideas to
investigate this further.</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Nezih</div>
<div><br>
</div>
</div>
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