>Number: 149580
>Category: kern
>Synopsis: When using an SIIG SATA card the error "Unexpected signature
>0xa05f" is reported when a new drive is connected
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Aug 12 15:40:03 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Bryce Simonds
>Release: 8.1-RELEASE
>Organization:
Veriam Technology, Inc.
>Environment:
FreeBSD fossel 8.1-RELEASE FreeBSD 8.1-RELEASE #1: Thu Aug 12 10:08:51 CDT 2010
bsimo...@fossel:/usr/src/sys/i386/compile/FOSSEL i386
>Description:
When using the SIIG DP SATA 6Gb/s 2S1P PCIe card an error is reported when a
drive is hot plugged into the card:
Aug 11 16:59:05 fossel kernel: (aprobe0:ahcich0:0:0:0): Unexpected signature
0xa05f
The SATA controller on the motherboard works fine.
>How-To-Repeat:
Need a SIIG DP SATA 6Gb/s 2S1P PCIe card.
While using the ahci(4) driver, hot plug a SATA drive into the card, this
should generate the error (the error is viewable from dmesg)
>Fix:
Submitted a patch that appears to work around the problem okay, but I'm not
certain this this is a correct fix.
I believe this might be a RAID signature code, but I'm using the card for
individual SATA drives not the RAID portion so it suits our needs.
Patch attached with submission follows:
--- ata_xpt.c.orig 2010-08-12 10:16:46.000000000 -0500
+++ ata_xpt.c 2010-08-12 10:08:29.000000000 -0500
@@ -776,7 +776,10 @@
done_ccb->ataio.res.lba_mid;
if (bootverbose)
xpt_print(path, "SIGNATURE: %04x\n", sign);
- if (sign == 0x0000 &&
+/* BEGIN VERIAM HACK! */
+/* if (sign == 0x0000 && */
+ if ( ((sign == 0x0000) || (sign == 0xA05F)) &&
+/* END VERIAM HACK! */
done_ccb->ccb_h.target_id != 15) {
path->device->protocol = PROTO_ATA;
PROBE_SET_ACTION(softc, PROBE_IDENTIFY);
>Release-Note:
>Audit-Trail:
>Unformatted:
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