Deadlock, exclusive sx so_rcv_sx, amd64

[Gleb Kozyrev]

On 26/10/2007, Gleb Kozyrev <gkozyrev at gmail.com> wrote:
> I managed to find a kernel message that precedes the freeze:
> Approaching the limit on PV entries, consider increasing sysctl
> vm.pmap.shpgperproc or vm.pmap.pv_entry_max
>
> rtorrent likes to mmap large files.
> After increasing (one of) these sysctls everything seems ok.
> Probably, setting rtorrent's memory limit could have helped either.
>
> Is there a way to know if some process is becoming close to that limit?

It now just takes longer until freeze with shpgperproc = 5000 (originally 200).

-- 
With best regards, Gleb Kozyrev.