Date: Tue, 10 Jul 2012 08:30:50 -0700 From: Garrett Cooper <yanegomi@gmail.com> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: kernel: abra-kadabra Message-ID: <CAGH67wSa87=vycE4r_=ikKtsvP1n9qoT=ydM1MsMYE5J65Fbfg@mail.gmail.com> In-Reply-To: <alpine.BSF.2.00.1207101634050.1437@wojtek.tensor.gdynia.pl> References: <alpine.BSF.2.00.1207101208040.46945@wojtek.tensor.gdynia.pl> <2E148ED4-F2E6-4B3D-99D8-C84E4E11F0F4@my.gd> <alpine.BSF.2.00.1207101634050.1437@wojtek.tensor.gdynia.pl>
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On Tue, Jul 10, 2012 at 7:36 AM, Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> wrote: > > > On Tue, 10 Jul 2012, Damien Fleuriot wrote: > >> >> On 10 Jul 2012, at 12:10, Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> >> wrote: >> >>> this is what i've got from kernel (same visible after dmesg of course) >>> >>> >>> Jul 9 08:56:53 ... kernel: <<66<>p>ipd6id >p336i65d0 43432 >>> ((hh6ttt6p2d4 )(t,p dht)t,pu di)du,i ud1i 0d14 80:10 e44x88i::t eex die >>> txoiedtn eo dn sosini ggnsnaalilg n1a1l >>> Jul 9 08:56:53 .. kernel: 1 >>> Jul 9 08:56:53 ... kernel: >>> Jul 9 08:56:53 ... kernel: <<66>>11 >>> Jul 9 08:56:53 ... kernel: 1 >>> Jul 9 08:56:53 ... kernel: >>> >>> everything before and after seems usual. >>> >>> when reading every second letter it SEEMS to make more sense but still >>> not much. >>> >>> What it is? >>> >> >> You're seeing several messages at jumbled together, or your message and >> other parts of the buffer. >> >> Either way, you can see the word "signal" there ;) >> > i think it was httpd (probably PHP trash) crashed with sig11 but want to be > sure. > > httpd rarely do crash... Strange i have ports rather up to date and no KNOWN > vulnerabilities are according to portaudit output. > > how can i prevent mixing kernel messages? > > i have > > options PRINTF_BUFR_SIZE=256 # Prevent printf output being > interspersed. > > in kernel config Increasing that value [to 1k, 2k, etc] will help at the cost of some more memory usage, but it won't fix the problem. The issue should be less prominent in 9.x+. HTH, -Garrett
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