kern/107495: Fix long wait before WD My Book 250GB (USB) is
recognized
Jason Harris
jharris at widomaker.com
Wed Jan 3 12:00:39 PST 2007
>Number: 107495
>Category: kern
>Synopsis: Fix long wait before WD My Book 250GB (USB) is recognized
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Wed Jan 03 20:00:38 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator: Jason Harris
>Release: FreeBSD 6.2-PRERELEASE i386
>Organization:
Not usually...
>Environment:
System: FreeBSD wilma.widomaker.com 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #13: Wed Jan 3 14:06:08 EST 2007 root at wilma.widomaker.com:/usr/obj/usr/src/sys/TUNER i386
>Description:
My "WD My Book 250GB" (USB) doesn't give up its serial number,
causing about a 10min delay before the device is recognized.
>How-To-Repeat:
apply patch below, esp. to tag=RELENG_6
>Fix:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
NotDashEscaped: You need GnuPG to verify this message
/usr/src/sys/cam/cam_xpt.c:
$FreeBSD: src/sys/cam/cam_xpt.c,v 1.155.2.10 2006/12/24 03:23:43 mjacob Exp $
===================================================================
RCS file: /usr/src/sys/cam/cam_xpt.c,v
retrieving revision 1.1
diff -u -r1.1 /usr/src/sys/cam/cam_xpt.c
--- /usr/src/sys/cam/cam_xpt.c 2007/01/03 17:39:53 1.1
+++ /usr/src/sys/cam/cam_xpt.c 2007/01/03 19:14:46
@@ -539,6 +539,18 @@
},
{
/*
+ * Western Digital My Book 250GB (USB)
+ * hangs upon serial number probing.
+ * Patched by: "Jason Harris" <jharris at widomaker.com>
+ */
+ {
+ T_DIRECT, SIP_MEDIA_FIXED, "WD",
+ "2500JB External", "*"
+ },
+ CAM_QUIRK_NOSERIAL, /*mintags*/0, /*maxtags*/0
+ },
+ {
+ /*
* Would repond to all LUNs if asked for.
*/
{
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>Release-Note:
>Audit-Trail:
>Unformatted:
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