misc/132250: ciss driver does not support more then 15 drives

[Oleg Gawriloff]

>Number:         132250
>Category:       misc
>Synopsis:       ciss driver does not support more then 15 drives
>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:   Mon Mar 02 10:10:01 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     Oleg Gawriloff
>Release:        7.0
>Organization:
Atlant Telecom
>Environment:
FreeBSD stork.telecom.by 7.0-RELEASE-p5 FreeBSD 7.0-RELEASE-p5 #1: Wed Nov 12 16:52:07 EET 2008     root at stork.telecom.by:/usr/obj/usr/src/sys/STORK  amd64

>Description:
We have 4 MSA60 disk shelf with 14 raid arrays on it (all of them on one 2 port HP E600 controller with daisy-chain). All works perfectly. When we try to add another one MSA60 disk-shelf in daisy-chains BSD have kernel dump during dump with error:
ciss1: adapter claims to report absurd number of logical drives (23 > 15)
kernel trap 12 with interrupts disables

>How-To-Repeat:
Just use more then 15 disk array on one ciss-controller.
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: