Date: Fri, 15 Jun 2007 22:39:48 +1200 From: Andrew Thompson <thompsa@freebsd.org> To: Stefan Ehmann <shoesoft@gmx.net> Cc: freebsd-current@freebsd.org Subject: Re: LOR in iwi with new 802.11 work Message-ID: <20070615103948.GC18932@heff.fud.org.nz> In-Reply-To: <200706151044.32493.shoesoft@gmx.net> References: <200706141641.54668.shoesoft@gmx.net> <467169F6.7020206@errno.com> <200706151044.32493.shoesoft@gmx.net>
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On Fri, Jun 15, 2007 at 10:44:31AM +0200, Stefan Ehmann wrote: > On Thursday 14 June 2007 18:16:54 Sam Leffler wrote: > > Stefan Ehmann wrote: > > > After the system is up for about 5 minutes, I see this LOR. Haven't seen > > > it posted yet. > > > > > > Stefan > > > > > > lock order reversal: > > > 1st 0xc2e4700c ieee80211com (802.11 com lock) > > > @ /usr/src/sys/net80211/ieee80211_scan.c:523 > > > 2nd 0xc2e48400 iwi0 (network driver) > > > @ /usr/src/sys/modules/iwi/../../dev/iwi/if_iwi.c:1908 > ... > > > > Yes, known and can safely be ignored. > > Okay, thanks. > > Another problem I've noticed (don't want to start a new thread): > > Before the latest commit, I've never seen dropouts in the connnection. > > But now I've seen for the second time that the connection drops for some > seconds. ifconfig shows no IP address. At least it recovers, but open > connections die. > > In dmesg I see: > > Jun 15 10:34:25 something kernel: iwi0: firmware stuck in state 4, resetting > Jun 15 10:34:25 something kernel: iwi0: link state changed to DOWN > Jun 15 10:34:28 something kernel: iwi0: link state changed to UP > > Is this a known issue? Do you need any more info? It appears to get stuck in background scanning. How often does it happen? If you could set debug.iwi=3 and then email the logs for a couple of iterations of the reset. cheers, Andrew
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