JDK-8294729 : [s390] Implement nmethod entry barriers
  • Type: Bug
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 20
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: linux
  • CPU: s390x
  • Submitted: 2022-10-03
  • Updated: 2022-11-15
  • Resolved: 2022-10-31
The Version table provides details related to the release that this issue/RFE will be addressed.

Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

To download the current JDK release, click here.
JDK 20
20 b22Fixed
Related Reports
Duplicate :  
JDK-8294363 - linux_s390x build broken: BarrierSetNMethod::is_armed : Error: ShouldNotReachHere()
Relates :  
JDK-8290025 - Remove the Sweeper
Relates :  
JDK-8210498 - nmethod entry barriers
Description
Currently, support for nmethod entry barriers (JDK-8210498) is missing on s390. Since JDK-8290025, this has lead to a build error--failing at BarrierSetNMethod::disarm

# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (/home/ty/openjdk/jdk-current/src/hotspot/cpu/s390/gc/shared/barrierSetNMethod_s390.cpp:34), pid=446585, tid=446664
#  Error: ShouldNotReachHere()
#
# JRE version: OpenJDK Runtime Environment (20.0) (fastdebug build 20-internal-adhoc.ty.jdk-current)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 20-internal-adhoc.ty.jdk-current, mixed mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-s390x)
# Problematic frame:
# V  [libjvm.so+0x397aa0]  BarrierSetNMethod::disarm(nmethod*)+0x30
Comments
Changeset: f4d8c20c Author: Tyler Steele <tsteele@openjdk.org> Date: 2022-10-31 15:58:44 +0000 URL: https://git.openjdk.org/jdk/commit/f4d8c20c3b81f65f955591c64281a103225691d9
31-10-2022
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/10558 Date: 2022-10-04 14:27:09 +0000
26-10-2022