On sábado, 2 de enero de 2016 13:44:08 (CET) Dana Jacobsen wrote: >It is a Perl script that calls C code to tune bounds for the nth >Ramanujan prime. All the code is in my directory. No threads, forks, >execs, signal handling code, shell outs, file I/O other than what >running any Perl script with XS code does, etc. The process had run >successfully many times, and outputs to stdout as it runs. In this >case the bounds were quite high, resulting in a *lot* of memory (the >point being to find the bounds so when users run it they can use less >memory). The memory use stayed constant after doing the initial >allocations. I had top running in another window.
In addition to top, ulimit is your best friend when working with experimental code :) > >At some point (a few hours in) I decided it had run too long without >intermediate output, so did a control C. With that much memory, I >thought it might take a while, but nothing. Control-Z, >Control-backslash, no response. Kill -1 in another window did >nothing, nor did kill -15 later, nor kill -9 after a while. I thought >perhaps if I quit that ssh, then did a ps looking for my processes and >killing them that perhaps that might move things along. No effect -- >everything died but that PID, which stayed in run state reporting 100% >of a single thread and the same memory use. I tried a number of times >to kill it, including a few times each day after sending the report. > >Dana > >On Sat, Jan 2, 2016 at 1:23 PM, Jeffrey Walton <noloa...@gmail.com> wrote: >> On Sat, Jan 2, 2016 at 1:08 PM, Dana Jacobsen >> <dana.jacob...@gmail.com>> >> wrote: >> > I tried to kill it with various signals and it ignores -1, -15, -9, >> > etc. Even if it ignored signals (which nothing in the process >> > should do), it should have finished within ~12 hours, so it's >> > borked. >> > >> > I sent a message to OSUOSL support on Dec 30 about it but got no >> > reply >> >> other >> >> > than a ticket number (28099). >> >> Out of curiosity, do you recall what you did? >> >> Maybe a fork/exec got out of control? >> >> Jeff -- Juan Francisco Cantero Hurtado http://juanfra.info _______________________________________________ Gcc-cfarm-users mailing list Gcc-cfarm-users@gna.org https://mail.gna.org/listinfo/gcc-cfarm-users
