Re: [R] Fwd: Help: malloc/free deadlock in unsafe signal handler 'Rf_onsigusr1'

; > luke > > > On Mon, 1 Aug 2016, Ming Li wrote: > > Hi all, >> >> I am working on a bug, which running PLR on HAWQ. The process hung and >> can't be terminated. >> >> From my investigation, it seems signal handler 'Rf_onsigusr1'

[R] Fwd: Help: malloc/free deadlock in unsafe signal handler 'Rf_onsigusr1'

Hi all, I am working on a bug, which running PLR on HAWQ. The process hung and can't be terminated. >From my investigation, it seems signal handler 'Rf_onsigusr1' trigger a malloc/free deadlock. The calling stack is below. Thread 1 (Thread 0x7f4c93af48e0 (LWP 431263)): #0 0x7f4c9015805e i