On Tue, 27 Jan 2026 00:12:08 GMT, Chris Plummer <[email protected]> wrote:

>> Message on Windows: 
>> 
>> `# Core dump will be written. Default location: 
>> C:\\sb\\prod\\1769462715\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_core_file_tests\\scratch\\0\\hs_err_pid71004.mdmp`
>> 
>> And then later in test output you see:
>> 
>> 
>> getCoreFileLocation found stringWithLocation = 
>> C:\\sb\\prod\\1769462715\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_core_file_tests\\scratch\\2\\hs_err_pid80292.mdmp
>> Found core file 
>> C:\\sb\\prod\\1769462715\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_core_file_tests\\scratch\\2\\hs_err_pid80292.mdmp,
>>  size = 361mb
>> 
>> 
>> I don't have macOS info at the moment. I only ran on macosx-aarch64, and 
>> currently all the core file tests are problem listed on that platform. I'm 
>> doing a run now without them problem listed. Will have results shortly.
>
> Oh, and the reason for not doing in a macOS is because this code is only 
> applicatlbe if a linux core file handler is installed. See the comment 
> immediately below. I don't see how it could ever benefit macOS.

>From macOS hs_err file:

`# Core dump will be written. Default location: core.78827`

>From the test output:


getCoreFileLocation found stringWithLocation = core.78827
Found core file core.78827, size = 6660mb

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PR Review Comment: https://git.openjdk.org/jdk/pull/29284#discussion_r2729813708

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