Hi! When doing a copy with many jobs that give access error i get a really strange fault : Thread 141 "python3" received signal SIG32, Real-time event 32. [Switching to Thread 0x7fffed7fa700 (LWP 23298)] syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 38 cmpq $-4095, %rax /* Check %rax for error. */ (gdb) info registers rax rax 0xfffffffffffffe00 -512 (gdb) info register rax 0xfffffffffffffe00 -512 rbx 0x555555e31700 93825001527040 rcx 0x7ffff7eb01fd 140737352761853 rdx 0xc00000 12582912 rsi 0x0 0 rdi 0x555555e367a0 93825001547680 rbp 0x7fffed7f9ed0 0x7fffed7f9ed0 rsp 0x7fffed7f9e48 0x7fffed7f9e48 r8 0x0 0 r9 0x0 0 r10 0x0 0 r11 0x246 582 r12 0xc00000 12582912 r13 0x7fffffffb320 140737488335648 r14 0xb00000 11534336 r15 0x555555e367a0 93825001547680 rip 0x7ffff7eb01fd 0x7ffff7eb01fd <syscall+29> eflags 0x246 [ PF ZF IF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 This is git master @ c9622fd53 (Fix OSX build) a dump log can be found here: https://cernbox.cern.ch/index.php/s/JNaLKsaC5pyrhMP which curiously did not segfault anymore Any idea what could possibly be wrong? What can i do to investigate this in more detail? Thank you!! Adrian ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1