Date: Fri, 11 Sep 2009 11:51:10 +0100 From: Bruce Cran <bruce@cran.org.uk> To: Alex R <alex@mailinglist.ahhyes.net> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: 7.2-RELEASE/amd64 - weird stuff in dmesg Message-ID: <20090911115110.000076ce@unknown> In-Reply-To: <4AA86C90.7030908@mailinglist.ahhyes.net> References: <4AA86C90.7030908@mailinglist.ahhyes.net>
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On Thu, 10 Sep 2009 13:03:44 +1000 Alex R <alex@mailinglist.ahhyes.net> wrote: > Hi everyone, > > I was wondering whether anyone could shed some light on the following > messages I am seeing in dmesg: > > -------------------- > > <<33>>aarrpp:: uunnkknnoowwnn hhaarrddwwaarree aaddddress format > (0x0000) ress format (0x0000) > arp: unakrnpo:w nu nhkanrodwwna rhea raddwdarrees sa dfdorremsast > f(o0rxm0a0t0 0()0 > x > 0000) > a<rp:3 u>anrkpn:o wunn khnaorwdnw ahraer dawdadrree sasd dfroersmsa > tf o(r0mxat0 0(00x000)0 > 0 > ) > arp: unknown hardware address format (0xarp:0 7u0n0k)n > o > wn hardware address format (0x0700) > aarrpp:: uunnkknnoowwnn hhaarrddwwaarree aaddddrreessss > ffoorrmmaatt ((00xx00770000)) > > -------------------------- > > Any ideas whats with the jumbled/double letters? Is there something > wrong with the machine or is it a bug in the OS? I have seen similar > symptoms on SMP enabled boxes when shutting down if 2 processes call > kprintf() or printf() at the same time, it results in garbled output. > Should i turn a blind eye to this? Yes :) It's a known issue that the kernel printf isn't locked so messages get mixed up like that. In 8.0 the PRINTF_BUFR_SIZE option has been added which should fix it. -- Bruce
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