Date: Mon, 1 Jun 2009 15:52:10 +0200 From: cpghost <cpghost@cordula.ws> To: ????????? ????????? <der@btsig.ru> Cc: questions@freebsd.org Subject: Re: Strange text from kernel then detaching USB drive: "sldoosstf sd/e v irceemo" Message-ID: <20090601135210.GA5720@phenom.cordula.ws> In-Reply-To: <4A239BC2.7050606@rusig.ru> References: <4A239BC2.7050606@rusig.ru>
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On Mon, Jun 01, 2009 at 01:13:38PM +0400, ????????? ????????? wrote: > Hello all ! > > I got a very confusing messages from kernel then detaching one of my USB > external HD (used only for backups): > > > May 29 12:40:08 perforce kernel: GEOM_LABEL: Label ufs/Backup5 removed. > May 29 12:40:08 perforce kernel: GEOM_LABEL: Label for provider da0s1 is > ufs/Backup5. > May 29 12:40:08 perforce kernel: GEOM_LABEL: Label for provider da0s1 is > msdosfs/ . > May 29 12:40:32 perforce kernel: umass0: at uhub3 port 1 (addr 2) > disconnected > May 29 12:40:32 perforce kernel: (da0:uGmEaOsMs_-LsAiBmE0L::0 :La0b:e0l) > :m sldoosstf sd/e v irceemo > May 29 12:40:32 perforce kernel: v(edda.0: > May 29 12:40:32 perforce kernel: umGaEsOsM-_sLiAmBE0L::0 :L0a:b0e)l: > ruefmso/vBiancgk udpe5v irceem oevnetdr.y > May 29 12:40:32 perforce kernel: > May 29 12:40:32 perforce kernel: umass0: detached > > > I don't understand messages between "umass0: at uhub3 port 1 (addr 2) > disconnected" and "umass0: detached". It's a known problem on SMP systems. Citing from: http://wiki.freebsd.org/BugBusting/Commonly_reported_issues Scrambled or garbled kernel output, such as: SdMaP0:: AP1 6C0P.U0 0#0M1B /Lsa utnrcahnesdf!e da0: <SSMEPA:G AATPE CSPTU3 3#617 5L3auLnWc hHePdS!3> Sep 5 00:34:38 test kernel: Waiting (max 60 Sep 5 00:34:38 test kernel: seScyonncdisn)g fdoirs kssy,s tvenmo dperso creesmsa i`nsiynngc.e.r.' to3 stop...0 0 done Sep 5 00:34:38 test kernel: All buffers synced. <... snip ...> Workaround (partial): Use options PRINTF_BUFR_SIZE=256 in your kernel configuration. This will decrease the amount of interspersed output, but does not solve issue entirely > What does it mean? > > Best Regards, > Alexander Derevyanko. -cpghost. -- Cordula's Web. http://www.cordula.ws/
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