Prime suspect here would be the network driver. dlg@ had a nice mbuf leak detect-o-matic diff a while back. I'll have to see if I can find it.
In the meantime knowing which board it is (or, even better, what network drivers are in use) would help immensely. On Fri, Feb 11, 2011 at 06:20:50PM +0000, Lars Kotthoff wrote: > Just to say that I've been having the same problem with a Soekris board since > about 4.4. I haven't figured out what's going on, but strangely the problem is > getting better with time (i.e. the rate at which mbufs are allocated > decreases). > I *think* that it was fine in 4.3 (though I never run the machine for any > length > of time with that kernel), so you could try that if you want to investigate. > > I haven't been able to establish a correlation between allocated mbufs and > (network) load either. > > The "solution" for me so far has been to keep a watchful eye and reboot the > machine once too much memory is used, combined with a watchdog and monit to > reboot the machine automatically if it becomes unresponsive. > > Lars
