Date: Sun, 12 Jan 2014 17:01:28 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Kevin Oberman <rkoberman@gmail.com> Cc: FreeBSD Wireless <freebsd-wireless@freebsd.org> Subject: Re: IWN performance very bad with 10.0-RC5 Message-ID: <CAJ-Vmomb6nRPNKtibC8HZUCfw%2B_jsSWk336GsS-wj9mVkM0Wdw@mail.gmail.com> In-Reply-To: <CAN6yY1sPwFz=KgzMzfc_Dgj-VDvRuyUvZNL2X8BNqN6HyVZLtw@mail.gmail.com> References: <CAN6yY1skA-x=-JLf%2BWQ0GJdSmHugqmSX2Um2zWkKB_cULxwsSw@mail.gmail.com> <20140111132338.7a7fc14c@X220.alogt.com> <CAJ-VmokkmAuLCJo01yjMGT-is3ET-pigY6BHhk0pfROQ=UMJcg@mail.gmail.com> <20140111133610.313a4bca@X220.alogt.com> <CAJ-Vmomo=0=6Yc6hQ02uBYfuyYibnYdsCMVOKm91Kxya2LOKwQ@mail.gmail.com> <20140112143614.3313f509@X220.alogt.com> <CAN6yY1sPwFz=KgzMzfc_Dgj-VDvRuyUvZNL2X8BNqN6HyVZLtw@mail.gmail.com>
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Hi, Yup. Is this when things started getting strange? Were they okay before the replay detection kicked in? -a On 12 January 2014 14:45, Kevin Oberman <rkoberman@gmail.com> wrote: > On Sat, Jan 11, 2014 at 10:36 PM, Erich Dollansky > <erichsfreebsdlist@alogt.com> wrote: >> >> Hi, >> >> On Fri, 10 Jan 2014 21:45:59 -0800 >> Adrian Chadd <adrian@freebsd.org> wrote: >> >> > Please help dig up which change broke it. Even just test out the head >> > iwn code from 6 months ago. >> >> I came to a very strange result. I have iwn in the kernel since June >> 2012 using 10. I also have had run in the kernel of another machine >> since February 2011. I could not even add runfw to the kernel those >> days running some 8 stable. I kept it that way until now. >> >> run was always working. iwn gave problems starting between August and >> November of last year on my access point but still worked on other >> places. I used iwn to connect successfully to another wireless network >> mid November 2013. >> >> After adding the firmware to the kernel for both iwn and run, I could >> compile the kernel and iwn started to work. runfw did not break >> compilation. >> >> I wonder now if the iwn or run could even work without firmware or if >> the firmware was automatically loaded even when iwn or run where >> compiled into the kernel. >> >> Erich > > > Some things look odd here. I had been running with crypto debug for about 15 > hours when I captured the attached log. The things tha looks odd to me are > two series of "AES-CCM replay detected" errors. > Jan 12 00:54:03 rogue kernel: wlan0: [00:26:b8:67:c3:2d] AES-CCM replay > detected tid 16 <rsc 1165, csc 1207, keyix 2 rxkeyix 65535> > [rsc inc. by one 41 times until rsc = csc] > Jan 12 00:54:03 rogue kernel: wlan0: [00:26:b8:67:c3:2d] AES-CCM replay > detected tid 16 <rsc 1206, csc 1207, keyix 2 rxkeyix 65535> > > One VERY odd thing is the MAC address. It is one byte from being the address > of my Verizon/ActionTec wireless router. It is the only device on my network > that has an OID of 00:26:b8, but the last nibble is 28 while these errors > claim a MAC ending in 2d. > > The setkey statements with a MAC of FF:FF:FF:FF:FF:FF also look odd to be, > but I am pretty clueless about the meaning of most of the message, do it > might be fine, but looks strange. > > During this time I have not had the network completely hang and require an > interface restart. > > Does this provide anything useful? > > -- > R. Kevin Oberman, Network Engineer, Retired > E-mail: rkoberman@gmail.com
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