[jdk17u-dev] RFR: 8325372: Shenandoah: SIGSEGV crash in unnecessary_acquire due to LoadStore split through phi

Thu Mar 14 17:02:02 UTC 2024

On Thu, 29 Feb 2024 23:19:38 GMT, Dan Lutker <dlutker at openjdk.org> wrote:

> Backport tto 17 which also has the issue. Ran tier1, 2, 3, 4 on linux aarch64 with -XX:+UseShenandoahGC as well as jcstress quick.

Tier1 failure is an intermittent failure we've started seeing recently in GHA's across multiple projects

command: main -Xmx2g StringRepeat 16777216
reason: User specified action: run main/othervm -Xmx2g StringRepeat 16777216 
started: Thu Mar 14 03:14:02 UTC 2024
Mode: othervm [/othervm specified]
finished: Thu Mar 14 03:14:02 UTC 2024
elapsed time (seconds): 0.01
configuration:
STDOUT:
Error occurred during initialization of VM
Could not reserve enough space for 2097152KB object heap

GHA failure: Risc-V compile setup failed, unrelated.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/2259#issuecomment-1997894129
PR Comment: https://git.openjdk.org/jdk17u-dev/pull/2259#issuecomment-1997913228