Date: Sun, 18 Sep 2016 22:38:58 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: freebsd-stable@freebsd.org Subject: Re: 11.0 stuck on high network load Message-ID: <e11324e6-9b6e-790b-9875-7ff7fbe195c6@selasky.org> In-Reply-To: <20160918181016.GK2840@zxy.spb.ru> References: <2490d030-e947-4842-8e91-6498864b0100@selasky.org> <20160918181016.GK2840@zxy.spb.ru>
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On 09/18/16 20:10, Slawa Olhovchenkov wrote: > On Sun, Sep 18, 2016 at 07:50:08PM +0200, Hans Petter Selasky wrote: > >> Hi, >> >> Got some tips regarding this thread. >> >> Some things you can try: >> >> 1) Compile kernel from projects/hps_head instead of your 11-stable? > > How many difference from 11-stable? Hi, The callout subsystem has a different implementation. Else identical. > >> 2) Set net.inet.tcp.per_cpu_timers=1 > > Already. From 10.x, by manual MFC. OK. > >> If the system just hangs, it is pretty likely that the timers are going >> in a loop due to typical use after free. >> >> Please keep me CC'ed, hence I'm not subscribed to @stable. >> --HPS
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