Date: Thu, 18 Mar 2010 21:17:34 +0100 (CET) From: Juergen Lock <nox@jelal.kn-bremen.de> To: scdbackup@gmx.net Cc: freebsd-hackers@freebsd.org Subject: Re: How to slow down SATA to 1.5 GBit/s ? Message-ID: <201003182017.o2IKHYE2042851@triton8.kn-bremen.de> In-Reply-To: <105730535417703@192.168.2.69> References: <201003162251.o2GMp9SY040741@triton8.kn-bremen.de>
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In article <105730535417703@192.168.2.69> you write: >Hi, Hi! > >> > I found a similar PR >> > http://www.mail-archive.com/freebsd-hackers@freebsd.org/msg70510.html >> >> Hm thats my post, wrong link? :) > >Indeed. I copied the wrong URL from my mail to >mav. The PR is at > http://www.freebsd.org/cgi/query-pr.cgi?pr=amd64/144151 > >This here would match my theory: >>> cdrecord: Input/output error. test unit ready: scsi sendcmd: cmd timeout after 40.010 (40) s >>> CDB: 00 00 00 00 00 00 >because the command is sent especially to see >whether any eventual error condition is gone. >It should get a reply within milliseconds. > Oh hm, I'll leave that question to mav... :) > >> > and bothered mav for instructions how to upgrade >> That's also documented in the handbook, starting with `24.5.2 Staying >> Stable with FreeBSD' > >I read that before asking. It seems a bit >outdated ("7-STABLE") and it is full of warnings. >Actually i hardly feel ripe for makeworld.html > Oh well... I'd say it's easier than it sounds. I guess if you feel uncomfortable you could also `practice' using a VM, taking a snapshot before you start the upgrade... >I will combine that with my endeavor to install >another FreeBSD from scratch. > ..or if you do that you could also use a stable snapshot iso from here: http://pub.allbsd.org/FreeBSD-snapshots/ (you want RELENG_8 which is the cvs branch for whats called stable/8 in svn.) > >> Or maybe burning apps should just invoke hal-disable-polling(1), I >> suspect that's intended for these kind of things... > >Interesting. I'll try to find out whether it >works. (Often hal stuff on Linux does not work. >The usual remedy is killall hald-addon-storage.) > >First i'll have to learn how to get a X desktop. >Then i have to see whether hald does any harm. > > >Have a nice day :) > >Thomas Good luck! :) Juergen
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