Date: Thu, 15 Sep 2016 00:57:14 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: hiren panchasara <hiren@strugglingcoder.info> Cc: freebsd-stable@FreeBSD.org Subject: Re: 11.0 stuck on high network load Message-ID: <20160914215714.GK2840@zxy.spb.ru> In-Reply-To: <20160914214306.GU9397@strugglingcoder.info> References: <20160904215739.GC22212@zxy.spb.ru> <20160905014612.GA42393@strugglingcoder.info> <20160914213503.GJ2840@zxy.spb.ru> <20160914214306.GU9397@strugglingcoder.info>
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On Wed, Sep 14, 2016 at 02:43:06PM -0700, hiren panchasara wrote: > On 09/15/16 at 12:35P, Slawa Olhovchenkov wrote: > > On Sun, Sep 04, 2016 at 06:46:12PM -0700, hiren panchasara wrote: > > > > > On 09/05/16 at 12:57P, Slawa Olhovchenkov wrote: > > > > I am try using 11.0 on Dual E5-2620 (no X2APIC). > > > > Under high network load and may be addtional conditional system go to > > > > unresponsible state -- no reaction to network and console (USB IPMI > > > > emulation). INVARIANTS give to high overhad. Is this exist some way to > > > > debug this? > > > > > > Can you panic it from console to get to db> to get backtrace and other > > > info when it goes unresponsive? > > > > ipmi console don't respond (chassis power diag don't react) > > login on sol console stuck on *tcp. > > I assume you tried ~^b (tilda followed by ctrl+b) without success? ~B, as in man ipmitool > That usually drops into db> May be now need some sysctl for enable this? > I am also fighting an issue where upon said keystrokes, I see > "KDB: enter: Break to debugger" but it doesn't drop to db> > At that point I have to 'ipmitool blah power reset' the box. > > Cheers, > Hiren
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