Date: Mon, 26 Feb 2001 17:10:02 -0800 (PST) From: "Matthew Emmerton" <matt@gsicomp.on.ca> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/25370: ATA subsystem in 4.x fails to recognize some ATA CD-ROMs Message-ID: <200102270110.f1R1A2n70711@freefall.freebsd.org>
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The following reply was made to PR kern/25370; it has been noted by GNATS.
From: "Matthew Emmerton" <matt@gsicomp.on.ca>
To: <freebsd-gnats-submit@FreeBSD.org>
Cc:
Subject: Re: kern/25370: ATA subsystem in 4.x fails to recognize some ATA CD-ROMs
Date: Mon, 26 Feb 2001 20:08:53 -0500
Here's the patch in a more usuable format.
I realize that this code may cause problems for ATA floppy devices, although
I believe an "aborted command" response from a ATA floppy may be indicative
of a "device powering up" situation which is similar to the case of the
CD-ROM.
--- sys/dev/ata/atapi-all.c.orig Sun Feb 25 16:35:20 2001
+++ sys/dev/ata/atapi-all.c Sun Feb 25 23:50:08 2001
@@ -449,6 +449,17 @@
request->error = EIO;
break;
+ case ATAPI_SK_ABORTED_COMMAND:
+ /* This allows first-generation ATAPI devices (such
+ * as MKE/Panasonic "Creative" CD-ROMs) that don't
+ * respond properly to MODE_SENSE_BIG to still be
+ * detected and recognized by the ata subsystem,
+ * as they were in 3.x)
+ */
+ if (atp->cmd == ATAPI_MODE_SENSE_BIG)
+ break;
+ /* FALLTHROUGH */
+
default:
printf("%s: %s - %s asc=%02x ascq=%02x ",
atp->devname, atapi_cmd2str(atp->cmd),
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