kern/76848: amr hangs

[Danny Braniss]

>Number:         76848
>Category:       kern
>Synopsis:       amr hangs
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Jan 30 09:50:21 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Danny Braniss
>Release:        FreeBSD 5.3-STABLE i386
>Organization:
>Environment:
System: FreeBSD x-dev 5.3-STABLE FreeBSD 5.3-STABLE #13: Sun Jan 30 10:08:52 IST 2005 danny at x-dev:/r+d/obj/x-dev/r+d/5.3/src/sys/HUJI i386
	CPU: Intel(R) Xeon(TM) CPU 3.06GHz (3056.82-MHz 686-class CPU)
	amr0: <LSILogic MegaRAID> mem 0xfe580000-0xfe5fffff,0xfbef0000-0xfbefffff irq 27 at device 0.0 on pci4
	amr0: [GIANT-LOCKED]
	amr0: <LSILogic Intel(R) RAID Controller SRCU42X> Firmware 411M, BIOS H404, 128MB RAM

	dual cpu, running SMP
	config is quiet standard, except for HZ=1000

>Description:
	dump causes amr to get stuck,
>How-To-Repeat:
	dump -0f - -C32 -L /dev/amr0s3h | restore (on a FC disk)
	mostly waiting on physrd, but now also on getblk
>Fix:

	


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