amd64/149713: Kernel crashes on HD timeout

[Paul Honig]

>Number:         149713
>Category:       amd64
>Synopsis:       Kernel crashes on HD timeout
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Aug 16 18:40:04 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     Paul Honig
>Release:        FreeBSD 7.2-RELEASE (GENERIC)
>Organization:
ETV
>Environment:
FreeBSD etv.cx 7.2-RELEASE FreeBSD 7.2-RELEASE #0: Fri May  1 07:18:07 UTC 2009     root at driscoll.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
When a Harddisk under KVM (Linux) gets very busy the kernel panics and stops with the following message in the console :

http://i.sigio.nl/c90f63a01cb1804e89c47598e92ffb97.png
>How-To-Repeat:
Not repeated yet .. 
>Fix:
Nothing on Google.

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