On 7/5/14, 3:06 PM, Eric Sandeen wrote: > On 7/5/14, 7:41 AM, Jan de Kruyf wrote: >> Hallo, >> >> While doing a reasonably high density job like rsynching a >> subdirectory from one place to another, or tarring it to a pipe and >> untarring it at the other end, I note that the cpu usage goes >> practically to 100% and when I after 5 minutes or so I reset the >> computer the writing has not finished at all. However on the stock >> Debian kernel it works without a problem. >> >> Could I still use this combination in an industrial environment >> reading and writing reasonably short text files? So far I did not >> experience this problem with normal day to day use. It stuck up its >> head during installation of gnat-gpl-2014-x86_64-linux-bin from the >> http://libre.adacore.com/download/ page. The offending code is in >> the Makefile in the top directory page. The Xterm will give you the >> place where it gets stuck. > http://lwn.net/Articles/457667/ Ok, sorry - that was a little short ;) If you have some 100% cpu livelock or whatever, that does sound like a potential bug. Perhaps some tracing or profiling can help figure out what has gone wrong there. Maybe sysrq-t & see where the active threads are, or even top? But if you are surprised that you lost data when you did a hard reset, the URL above is informative. -Eric _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs