Date: Sat, 28 Mar 2009 02:38:28 +0100 (CET) From: Alexander Best <alexbestms@math.uni-muenster.de> To: <freebsd-current@FreeBSD.org> Subject: Re: weird console output Message-ID: <permail-20090328013828f7e55a9d00005a57-a_best01@message-id.uni-muenster.de> In-Reply-To: <20090321200441.573995af@ernst.jennejohn.org>
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so. shouldn't this be in CURRENT? Gary Jennejohn schrieb am 2009-03-21: > On Sat, 21 Mar 2009 14:52:59 -0400 > Chuck Robey <chuckr@telenix.org> wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > Gary Jennejohn wrote: > > > On Fri, 20 Mar 2009 20:49:08 -0400 > > > Justin Hibbits <jrh29@alumni.cwru.edu> wrote: > > >> On Sat, Mar 21, 2009 at 01:02:25AM +0100, Alexander Best wrote: > > >>> very often when i boot or shutdown my pc i see weird text being > > >>> output to the > > >>> console. to me it seems like 2 messages are being mixed into 1 > > >>> message. here's > > >>> an example: > > >>> "WcAdR0N IaNtG : aWtIaT1N EbSuSs o0p ttiaorng eetn a1b lleudn, > > >>> 0e > > >>> xcpde0c:t r<eHdLu-cDeTd- SpTe rDfVoDrRmAaMn cGeS.A- > > >>> H1W0ANR NJILN1G: DIAG2N>O SRTeImCo voapbtlieo nC De-nRaObMl > > >>> eSdC,S Ie-x0p > > >>> edcetv irceed uc > > >>> ecdd 0p:e r3f3o.r0m0a0nMcB/es. > > >>> transfers" > > >>> i'm running FreeBSD moshnroll 8.0-CURRENT FreeBSD 8.0-CURRENT > > >>> #20 r190162M: > > >>> Fri Mar 20 19:10:47 UTC 2009 > > >>> root@moshnroll:/usr/obj/usr/src/sys/ARUNDEL > > >>> i386, but i've also had this issue under CURRENT. maybe this > > >>> issue is smp > > >>> related? > > >>> cheers. > > >>> alex > > >> You are correct, it is smp related. Those are two messages > > >> interlaced. I see > > >> them often when shutting down my SMP system. > > > This quesion is asked and answered again and again. > > > Set "options PRINTF_BUFR_SIZE=128" in your kernel config. > > Gary, do you know why setting it to 128 fixes things? Is the > > default size 0? I > > could see that causing things, but it's hard to believe. I've been > > watching a > > long time to see a fix for this. > Looking at /sys/kern/subr_prf.c, there's apparently no buffering at > all > when PRINTF_BUFR_SIZE isn't defined. The value 128 has proved itself > to be adequate based on experience since most kernel output is > smaller > than that. Its' what I and others use. > --- > Gary Jennejohn
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