About backporting 8364343 fix to jdk25u

[Kent Dong]

Hi Goetz,


If possible, could you share your further thoughts on backporting the fix to JDK 25? Is there any simple way to have the SIGSEGV issue fixed?


Looking forwarding to your response.



Sincerely Yours,

Kent Dong
         原始邮件
         
       
发件人：Kent Dong <ch3cho at qq.com>
发件时间：2026年1月28日 10:47
收件人：Lindenmaier, Goetz <goetz.lindenmaier at sap.com>, jdk-updates-dev <jdk-updates-dev at openjdk.org>
主题：RE: About backporting 8364343 fix to jdk25u



Hi Goetz,


Thanks for your reply.


8371913 (SIGSEGV in ZBarrierSet::AccessBarrier during virtual thread status query) is the original issue we experienced, which was marked as a duplicate of the mentioned 8364343. Fixing it would be good enough from our perspective.



Sincerely Yours,

Kent Dong


         原始邮件
         
       
发件人：Lindenmaier, Goetz <goetz.lindenmaier at sap.com>
发件时间：2026年1月27日 22:49
收件人：Kent Dong <ch3cho at qq.com>, jdk-updates-dev <jdk-updates-dev at openjdk.org>
主题：RE: About backporting 8364343 fix to jdk25u




Hi Kent,

 

This is a huge change.  Backporting it is not trivial and will impose quite a risk.

It already caused two follow-up issues.

Are you sure the whole change is needed?

With a better description of your problem maybe we

can identify a smaller, more directed fix for the issue?

 

Best regards,

  Goetz.

 

From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.org> On Behalf Of Kent Dong
 Sent: Tuesday, January 27, 2026 3:42 AM
 To: jdk-updates-dev <jdk-updates-dev at openjdk.org>
 Subject: About backporting 8364343 fix to jdk25u


 

Some people who received this message don't often get email from ch3cho at qq.com.  Learn why this is important


Dear guys,

 

We encountered a JVM crash with SEGV issue related to the bug 8364343 "Virtual Thread transition management needs to be independent of JVM TI" (https://bugs.openjdk.org/browse/JDK-8364343) when  using OpenJDK 25.0.1.  However, the bug is fixed in 26 and doesn't have the "jdk25u-fix-request" label on it. We wonder whether the patch would be backported to jdk25u project or we would have to use the non-LTS version 26 to work it around. Thanks.

 

Sincerely Yours,

Kent Dong
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