On 02/07/2014 23:24, Konstantin Belousov wrote: > On Wed, Jul 02, 2014 at 10:35:16AM +0100, Daren wrote: >> Hi >> >> I've tried installing Hylafax from ports on fresh FreeBSD 10. We >> previously had it running on an 8.2 system without issue. >> >> After starting faxgetty creeps up to and stays on 100% cpu. I did find >> a previous PR for this >> (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=166071) which has the >> status of resolved fixed although people have requested it be re-opened >> as the problem is still occurring for them as well. >> >> I can add another comment to this if it helps get it noticed again, but >> my knowledge with C etc is non-existent to be able to help with it, >> although searching has come up with a similar/same issue on dragonflybsd >> (http://bugs.dragonflybsd.org/issues/2028) >> >> Does anyone know if this is being looked at? >> > > I once looked at the source code of the program, and the ktrace reports > in the mentioned PR 166071 are consistent with what I remember I saw in > code, as well as what was discussed at that time. > > If you look at the kdump, you note the series of read(2) syscalls on the > same FIFO, which return 0, the indicator of the EOF. AFAIR, the Hylafax > code does not check for the EOF condition and just spins trying to > read more data. Select(2) returns the fd for EOF'ed FIFO ready, because > the read(2) indeed does not block at EOF. > > My decision at that time was that the issue is the program bug. > I do not use the program, and cannot set it up locally to even try > coding the fix. >
Thanks for the answer. Unfortunately I know nothing about these sorts of things so it doesn't mean much to me! I'll try posting to the hylafax list with this, but I'm sure I came across this previously mentioned to them on a search and they made out it was an OS bug - although now I cannot find it again. Cheers Daren _______________________________________________ freebsd-ports@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-ports To unsubscribe, send any mail to "freebsd-ports-unsubscr...@freebsd.org"
