system semi-freezes on mbuf cluster limit
Simon 'corecode' Schubert
corecode at fs.ei.tum.de
Wed May 23 01:45:41 PDT 2007
I just experienced a nasty situation: I ran out of mbuf clusters (6656) and ppp was one of the processes stuck in objcache_get.
even after some clusters drained (from netstat -m output), the objcache depot didn't get free entries back and ppp stayed stuck. and of course because of this no mbuf clusters were freed (ppp would have to transmit them, i guess). I was doing some serious down/uploading at the moment.
this should not happen, or at least more gracefully.
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