From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 28 Jan 2001 00:11:47 -0500 From: Daniel Eisenbud To: linuxppc-dev@lists.linuxppc.org Subject: Re: mesh SCSI bus locks hard on 7500 when burning a CD-R in dao mode Message-ID: <20010128001147.B9218@allspice.cs.swarthmore.edu> References: <20010126160441.B16573@allspice.cs.swarthmore.edu> <20010127163115.B2695@allspice.cs.swarthmore.edu> <20010127195924.A19744@allspice.cs.swarthmore.edu> <20010127202500.A21618@allspice.cs.swarthmore.edu> <20010127213401.A26295@allspice.cs.swarthmore.edu> <20010128000929.A9218@allspice.cs.swarthmore.edu> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="UlVJffcvxoiEqYs2" In-Reply-To: <20010128000929.A9218@allspice.cs.swarthmore.edu>; from eisenbud@cs.swarthmore.edu on Sun, Jan 28, 2001 at 12:09:29AM -0500 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: --UlVJffcvxoiEqYs2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Oops, I forgot to actually attach the file. If anyone wants to see this and has trouble with reading MIME attachments, just email me and I'll send you a plaintext copy -- I figured I compress and attach it to spare the whole list a 20K email. -Daniel On Sun, Jan 28, 2001 at 12:09:29AM -0500, Daniel Eisenbud wrote: > Attached is strace output from cdrdao. I honsetly can't make much of > it, but maybe someone else will be able to? I'm not sure if it hung in > the last read or the last write. I think it was the last read, because > strace printed part of that line and then its output file (which I put > on a ramdisk, and tarred to a floppy from there, so I wouldn't have to > copy it by hand once my SCSI bus was useless) didn't change for a while, > and then the read line finished printing. There's probably a way to > make strace print timestamps, and I'll do that tomorrow (as well as > doing this with cdrecord in both disk-at-once and track-at-once modes to > be able to compare them. -- Daniel E. 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