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...e with). a) Is 100% of the CPU being used? 100% of one core? Is system mostly idle? b) Can you find the child processes launched by pbmclapply? c) Write down the PID of the child process and attach a debugger to it (If you're on RHEL, try following this guide: <https://beej.us/guide/bggdb/#attach>. If GDB asks you to install additional debug symbols by running debuginfo-install, follow its guidance and then restart GDB.) and obtain a backtrace. (In GDB, the command to obtain a backtrace is "backtrace".) Which function is the child process stuck in? -- Best regards...

...there's interest.) Unless Tomas Kalibera is able to deduce the root cause from the observed symptoms, someone who can reproduce the problem will have to investigate further. -- Best regards, Ivan [*] https://cran.r-project.org/bin/windows/base/howto-R-devel.html [**] https://beej.us/guide/bggdb/

Dear members, I am using pbmcapply to parellise my code. But the following code doesn't work: > LYG <- pbmclapply(LYGH,FUN = arfima,mc.cores = 2,mc.preschedule = FALSE) | | 0%, ETA NA^ It just hangs. But the

Yes, I participated in the discussion. Basically dir() failed to list all files since R 4.3.0 when filenames start with Chinese characters. I don't have a Windows machine to test it, but this might be a minimal reproducible example: file.create("????.R") dir() The OP said dir() would return "????.R" in R.4.2.2 but not in R 4.3.0. In the same discussion another person