Date: Tue, 22 Sep 1998 10:52:58 -0700 From: Parag Patel <parag@cgt.com> To: current@FreeBSD.ORG Subject: Re: CAM and Adaptec 7880 on motherboard problem Message-ID: <199809221752.KAA00466@pinhead.parag.codegen.com> In-Reply-To: Your message of "Mon, 21 Sep 1998 19:02:02 PDT." <199809220202.TAA00429@pinhead.parag.codegen.com>
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Replying to my own message after seeing a similar patch for a Sony CD-ROM drive, I added a similar quirk for my Sony CD-R drive.
Appended is the patch for /sys/cam/cam_xpt.c. With this patch, the inital probing of SCSI disks works just fine with no errors or timeouts, and it probes the SCSI devices relatively quickly (no 5-7 minute wait like before).
I hope this is the right fix. I don't know how may other Sony CD-R drives are affected by this problem, so the string match could be more or less specific. My drive is a CDU926S and there really are three spaces between "CD-R" and "CDU".
Whoever owns the code, please feel free to commit this or something similar. Thanks!
-- Parag
===================================================================
RCS file: /src/freebsd/src/sys/cam/cam_xpt.c,v
retrieving revision 1.10
diff -c -r1.10 cam_xpt.c
*** cam_xpt.c 1998/09/22 04:53:23 1.10
--- cam_xpt.c 1998/09/22 17:39:06
***************
*** 300,305 ****
--- 300,313 ----
CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
},
{
+ /* This drive doesn't like multiple LUN probing */
+ {
+ T_WORM, SIP_MEDIA_REMOVABLE, "SONY",
+ "CD-R CDU9*", "*"
+ },
+ CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
+ },
+ {
/* Default tagged queuing parameters for all devices */
{
T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED,
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