From owner-freebsd-hardware Thu Jun 24 20:34:42 1999 Delivered-To: freebsd-hardware@freebsd.org Received: from mail.HiWAAY.net (fly.HiWAAY.net [208.147.154.56]) by hub.freebsd.org (Postfix) with ESMTP id AE5CB14E0E; Thu, 24 Jun 1999 20:25:18 -0700 (PDT) (envelope-from dkelly@nospam.hiwaay.net) Received: from nospam.hiwaay.net (tnt8-216-180-14-37.dialup.HiWAAY.net [216.180.14.37]) by mail.HiWAAY.net (8.9.1a/8.9.0) with ESMTP id WAA07735; Thu, 24 Jun 1999 22:25:12 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by nospam.hiwaay.net (8.9.3/8.9.3) with ESMTP id UAA30336; Thu, 24 Jun 1999 20:54:42 -0500 (CDT) (envelope-from dkelly@nospam.hiwaay.net) Message-Id: <199906250154.UAA30336@nospam.hiwaay.net> X-Mailer: exmh version 2.0.2 2/24/98 To: tarkhil@asteroid.svib.ru Cc: hardware@FreeBSD.ORG, stable@FreeBSD.ORG From: David Kelly Subject: Re: CDRecord not seeing CD-R In-reply-to: Message from Alex Povolotsky of "Thu, 24 Jun 1999 19:01:03 +0400." <199906241501.TAA00805@shuttle.svib.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 24 Jun 1999 20:54:42 -0500 Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Alex Povolotsky writes: > <199906241419.SAA01459@shuttle.svib.ru>Alex Povolotsky writes: > >I've just set up Tekram 310 SCSI adapter (works ok!), attached a cd-writer > >to it, tested it as CD-ROM (works OK!), > > > >ncr0: rev 0x23 int a irq 9 on pci0.10.0 > > Alex, you silly boy, add > > device pass0 > > to your kernel, enable POSIX realtime and NEVER try to run any disk-hog like > tcl/tk while writing! It was a year or two ago when I first tried FreeBSD and cdrecord for burning CDs. Was so darn successful at it that before I finished the batch of 50 or so CD's I was trying pretty hard to break it. System was FreeBSD 2.2.5 or 2.2.6 or thereabouts. Cdrecord 1.6. Pentium 133. Before we knew about the F00F bug. Had a whopping 24MB of RAM. Running X, twm as the window manager. Had a narrow Adaptec 2940AU SCSI card. All 7 available SCSI ID's were used. Only one HD was inside the PC. Everything else was one device to one external box/PS. It was a mess. Had one Seagate ST15150N 4G SCSI drive, several other 1G SSCI drives, one 1G IDE drive. Tape drive or two. And a 1st generation Yamaha CDR-100 4x recorder. Never did make a bad disk with the above. By the time I was finished was running Netscape and "build makeworld" at the same time. And using exmh for email. All connected to a moderately busy network segment. And yes, each and every one of the 50 was Q.C.'ed after burning with my own homegrown verions of "tripwire." Simply a glorified "find /cdrom -type f -exec md5 "{}" \;" While burning one CD I mounted the previous in the ATAPI CD to verify it. Don't remember if I was running cdrecord as root but know I had a root xterm open in order to mount the new CD's. This exercise was so successful we later purchased (3) P-II 233's for the purpose of doing more of the same. But one thing lead to another and the P-II's were purchased but no CD-R's. Eventually the Yamaha CD-R was moved to an SGI O2 were similar success was found (the P-II's were doomed to a life of NT, but before the end I rescued one and made a FreeBSD tape duplication station out of it with (3) SCSI interfaces and (4) DDS-3 tape drives). I do remember cdrecord on the O2 *had* to be run as root. So I made it set-uid owned by root. Created a cdrecord group. Removed execute-for-others from the cdrecord binary. FreeBSD did not recogonize the Yamaha as a readable CD device so I could not read the CD after writing using the same drive. Same for the SGI O2, only difference was SGI's mediad knew how to automount a CD in its internal CDROM drive. -- David Kelly N4HHE, dkelly@nospam.hiwaay.net ===================================================================== The human mind ordinarily operates at only ten percent of its capacity -- the rest is overhead for the operating system. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message