Some JTREG tests crashing on linux-x86 in C2 code

2024-02-21 Thread Jaroslav Bachorík
Hello, I have noticed that some of the JFR and SVC tests are crashing in C2 code with # # A fatal error has been detected by the Java Runtime Environment: # # Internal Error (x86_32.ad:1317), pid=5714, tid=5738 # Error: Unimplemented() # # JRE version: OpenJDK Runtime Environment (23.0) (build

Re: Clarifying jmethodID Usage and Potential JVM Crashes

2023-06-19 Thread Jaroslav Bachorík
On Tue, Jun 20, 2023 at 4:38 AM David Holmes wrote: > On 19/06/2023 11:46 pm, Jaroslav Bachorík wrote: > > Hi, > > > > On Thu, Jun 1, 2023 at 5:49 PM > <mailto:daniel.daughe...@oracle.com>> wrote: > > > > Hmmm... seems like concurre

Re: Clarifying jmethodID Usage and Potential JVM Crashes

2023-06-19 Thread Jaroslav Bachorík
icial way to make sure such a 'bad' jmethodID would not crash JVM. Cheers, -JB- > > Dan > > > On 6/1/23 4:28 AM, David Holmes wrote: > > On 1/06/2023 5:16 pm, Jaroslav Bachorík wrote: > >> Hi David, > >> > >> On Thu, Jun 1, 2023 at 3:56 AM David

Re: Clarifying jmethodID Usage and Potential JVM Crashes

2023-06-01 Thread Jaroslav Bachorík
Hi David, On Thu, Jun 1, 2023 at 3:56 AM David Holmes wrote: > Hi Jaroslav, > > On 31/05/2023 9:12 pm, Jaroslav Bachorík wrote: > > Dear Team, > > > > I've been investigating the unusual JVM crashes occurring in JVMTI calls > > on a J9 JVM. During my investigat

Re: Clarifying jmethodID Usage and Potential JVM Crashes

2023-05-31 Thread Jaroslav Bachorík
On Wed, May 31, 2023 at 3:16 PM Dan Heidinga wrote: > On Wed, May 31, 2023 at 7:13 AM Jaroslav Bachorík < > jaroslav.bacho...@datadoghq.com> wrote: > >> Dear Team, >> >> I've been investigating the unusual JVM crashes occurring in JVMTI calls >>

Clarifying jmethodID Usage and Potential JVM Crashes

2023-05-31 Thread Jaroslav Bachorík
Dear Team, I've been investigating the unusual JVM crashes occurring in JVMTI calls on a J9 JVM. During my investigation, I scrutinized the `jmethodID` definition closely, available here: [jmethodID definition]( https://docs.oracle.com/en/java/javase/17/docs/specs/jvmti.html#jmethodID). To