amd64/69713: just quite unstable (panic when burncd fails, or when checking ufs1/ufs2, heavy load panics)

[Morgoth]

>Number:         69713
>Category:       amd64
>Synopsis:       just quite unstable (panic when burncd fails, or when checking ufs1/ufs2, heavy load panics)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Jul 28 15:10:21 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Morgoth
>Release:        5.2.1
>Organization:
none
>Environment:
FreeBSD 5.2.1 amd64 morgoth@/usr/src/sys/conf/STARLIGHT
>Description:
sometimes 5.2.1amd64 is quite unstable, failed burncd can cause kpanic. Checking UFS1/UFS2 partition also causes kpanics sometimes. I have UDMA5 mode set by default when kernel starts.
>How-To-Repeat:
try to interrupt burncd (small probabilty). Just try to intensive use system (heavy load) for few hours...
>Fix:
   Very careful checking code for 32-->64bit porting problems??/
hmm.
>Release-Note:
>Audit-Trail:
>Unformatted: