Date: Fri, 19 Feb 2010 12:06:47 -0800 From: Pyun YongHyeon <pyunyh@gmail.com> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: Nick Rogers <ncrogers@gmail.com>, stable@freebsd.org Subject: Re: trap 12: page fault while in kernel mode on 8.0-RELEASE (possibly bge(4) related) Message-ID: <20100219200647.GK11675@michelle.cdnetworks.com> In-Reply-To: <20100219191103.GT55307@zxy.spb.ru> References: <20100218143822.GA8380@zxy.spb.ru> <20100218193612.GB11675@michelle.cdnetworks.com> <20100218212428.GJ55307@zxy.spb.ru> <20100218213213.GD11675@michelle.cdnetworks.com> <20100218215039.GK55307@zxy.spb.ru> <20100219001913.GE11675@michelle.cdnetworks.com> <20100219055129.GL55307@zxy.spb.ru> <20100219122415.GR55307@zxy.spb.ru> <20100219190359.GJ11675@michelle.cdnetworks.com> <20100219191103.GT55307@zxy.spb.ru>
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On Fri, Feb 19, 2010 at 10:11:03PM +0300, Slawa Olhovchenkov wrote: > On Fri, Feb 19, 2010 at 11:03:59AM -0800, Pyun YongHyeon wrote: > > > On Fri, Feb 19, 2010 at 03:24:15PM +0300, Slawa Olhovchenkov wrote: > > > On Fri, Feb 19, 2010 at 08:51:29AM +0300, Slawa Olhovchenkov wrote: > > > > > > > On Thu, Feb 18, 2010 at 04:19:13PM -0800, Pyun YongHyeon wrote: > > > > > > > > > > > > > > I'm still not sure whether the panic is related with bge(4) but > > > > > there are a couple of missing workaround for PCIX BCM5704 silicon > > > > > bug in bge(4). Did you also see the panic before updating to > > > > > stable/8? > > > > > > > > Before updating to stable/8 2010-Feb-16 I see network freez on stable/8 > > > > 2009-Sep -- bge stop receiving packets (by tcpdump), after aprox. 40-50 > > > > days uptime. > > > > > > > > > > > > > Anyway, try attached patch and let me know how it works. > > > > > > > > Thanks, I try. > > > > > > > > > > I don't get trap after 2 hour, but already see next trouble: > > > > > > === > > > PING 10.200.0.1 (10.200.0.1): 56 data bytes > > > > > > --- 10.200.0.1 ping statistics --- > > > 100 packets transmitted, 97 packets received, 3.0% packet loss > > > round-trip min/avg/max/stddev = 0.188/0.268/0.356/0.044 ms > > > === > > > > > > w/o patch, but witch fresh source I see same trouble: after 12 hour 7% lost. > > > netstat -i don't show any errors. > > > > I think BCM5704 supports HW MAC statistics counter. Try extract it > > with "sysctl dev.bge.0.stats". It will give you much more > > information. > [...] > dev.bge.1.stats.rx.Fragments: 1 You received a frame that is less than 64 bytes with a bad FCS. > dev.bge.1.stats.rx.UcastPkts: 2956515 > dev.bge.1.stats.rx.MulticastPkts: 0 > dev.bge.1.stats.rx.FCSErrors: 18 You have a lot of FCS errors here. Please double check cabling. If the statistics counter is right, sender is guilty or you have bad cabling issues here.
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