Date: 12 Feb 2009 23:57:16 -0000 From: Joe Kelsey <joe@zircon.seattle.wa.us> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/131624: atapicam2: detached Message-ID: <20090212235716.11964.qmail@zircon.seattle.wa.us> Resent-Message-ID: <200902130000.n1D00CQU060172@freefall.freebsd.org>
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>Number: 131624 >Category: kern >Synopsis: atapicam2: detached >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Feb 13 00:00:12 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Joe Kelsey >Release: FreeBSD 7.1-STABLE amd64 >Organization: Joseph M. Kelsey >Environment: System: FreeBSD zircon.zircon.seattle.wa.us 7.1-STABLE FreeBSD 7.1-STABLE #32: Wed Feb 11 18:06:03 PST 2009 root@:/usr/obj/usr/src/sys/ZIRCON amd64 >Description: One of my disk drives just started "detach"ing. There is apparantly no way to "reattach" this drive once it "detaches". I am completely at a loss for what to do. From dmesg: ad4: 381554MB <Seagate ST3400620AS 3.AAC> at ata2-master SATA300 ad6: 381554MB <Seagate ST3400620AS 3.AAC> at ata3-master SATA300 subdisk4: detached ad4: detached atapicam2: detached So, basically, ad4 just disappears from the system. I have tried to puzzle out the mysterious documentation around atacontrol to no avail. There doesn't seem to be any relationship between "ata channels" and the system except for random printouts during booting. There is no place to ask for a list of channels that I can find. If I try to "reinit" the channel, it reports no masters or slaves found. The disk is simply missing. $ atacontrol reinit ata2 Master: no device present Slave: no device present >How-To-Repeat: Hardware problems on ad4. How do I get more information about things that may or may not be happening? >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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