2010/4/8 Török Edwin <edwinto...@gmail.com>: > On 04/08/2010 11:03 PM, Chuck Swiger wrote: >>>> If you're running FreeBSD 7.x, you should already have gcc-4.2.1 or >>>> thereabouts with the base OS. Anyway, even the gcc-3.4.6 version from >>>> FreeBSD-6.x seems to be doing OK with LLVM/JIT bytecode enabled once I >>>> removed the two warning options which were not recognized by gcc-3. >>>> >>>> With regard to the failure you've described, what is output of "sysctl >>>> vm.max_proc_mmap"? It could be the cause of ENOMEM from mmap(): >>>> >>>> [ENOMEM] MAP_FIXED was specified and the addr argument was >>>> not >>>> available. MAP_ANON was specified and >>>> insufficient >>>> memory was available. The system has reached the >>>> per- >>>> process mmap limit specified in the >>>> vm.max_proc_mmap >>>> sysctl. >>> >>> I am not familiar enough with the function of this sysctl to interpret >>> the results. >>> >>> # sysctl vm.max_proc_mmap >>> vm.max_proc_mmap: 78951 >> >> It's the number of mmap() entries which the kernel is willing to make >> available per process; what you display should be plenty, unless there is >> some kind of problem where mmap()ed files never get munmap()ed. >> > > Actually thats a pretty low number if FreeBSD is using mmap() for malloc() > and it is not merging adjacent maps when counting this limit. > > 78951 (maps) * 4KB (pagesize) = 308 MB > > 308 MB is a pretty low limit for clamd, especially since the database alone > is ~100MB. > > The maximum maps count on Linux is even lower, and yet everything works: > vm.max_map_count = 65530 > > I guess Linux merges adjacent mmap()s into a single map, and only counts > those. > I don't know what FreeBSD does, but if it doesn't merge the maps then that > max_proc_mmap limit doesn't make sense.
For anyone who picks up this thread, it's in Bugzilla here: https://wwws.clamav.net/bugzilla/show_bug.cgi?id=1941 _______________________________________________ Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net http://www.clamav.net/support/ml
