From owner-freebsd-stable  Fri Jul 26  7:28:55 2002
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To: Jesse Gross <jesse_gross@yahoo.com>
Cc: John Baldwin <jhb@FreeBSD.org>, stable@FreeBSD.org,
	Mark Hartley <mark@work.drapple.com>,
	John Prince <johnp@lodgenet.com>, Hans Ottevanger <hansot@iae.nl>
Subject: Re: READ_BIG problems 
In-Reply-To: Your message of "Fri, 26 Jul 2002 06:42:01 PDT."
             <20020726134201.72747.qmail@web14107.mail.yahoo.com> 
Date: Fri, 26 Jul 2002 15:28:48 +0100
From: Ian Dowse <iedowse@maths.tcd.ie>
Message-ID:  <200207261528.aa62716@salmon.maths.tcd.ie>
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In message <20020726134201.72747.qmail@web14107.mail.yahoo.com>, Jesse Gross wr
ites:
>No luck.
>
>The patch didn't seem to make any difference.

Thanks to everybody for trying. Below is another patch that apparently
does help - I got Hans to try it, and he says that it seemed to work.

Does this makes a difference for anybody else?

Ian

Index: atapi-cd.c
===================================================================
RCS file: /home/iedowse/CVS/src/sys/dev/ata/atapi-cd.c,v
retrieving revision 1.48.2.16
diff -u -r1.48.2.16 atapi-cd.c
--- atapi-cd.c	27 Mar 2002 19:48:37 -0000	1.48.2.16
+++ atapi-cd.c	26 Jul 2002 14:22:37 -0000
@@ -266,7 +266,7 @@
     dev = make_dev(&acd_cdevsw, dkmakeminor(cdp->lun, 0, 0),
 		   UID_ROOT, GID_OPERATOR, 0644, "acd%d", cdp->lun);
     dev->si_drv1 = cdp;
-    dev->si_iosize_max = 252 * DEV_BSIZE;
+    dev->si_iosize_max = 64 * DEV_BSIZE;
     dev->si_bsize_phys = 2048; /* XXX SOS */
     cdp->dev = dev;
     cdp->device->flags |= ATA_D_MEDIA_CHANGED;




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