During investigation of signal handling in JVM (for
https://github.com/openjdk/jdk/pull/9100#discussion_r894992558 )
I found out that sending USR2 crashes my JDK. (Linux fastdebug x64)

kill -USR2 1346792

# assert(thread != __null) failed: Missing current thread in SR_handler
# Internal Error
pid=1346792, tid=1346792

Full hs_err_pid1346792.log:

Is it known/expected behaviour?
I found some description there
that USR2 is used for SUSPEND/RESUME. Is it supported by Hotspot?

Andrey Turbanov

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