>Number:         16624
>Category:       port-sgimips
>Synopsis:       kernel panics: kernel diagnostic assertion
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-sgimips-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri May 03 01:32:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Scott G. Taylor
>Release:        NetBSD 1.5ZC
>Organization:
	MRYNet
>Environment:
System: NetBSD mod80 1.5ZC NetBSD 1.5ZC (GENERIC) #2: Thu May 2 22:36:46 CDT 2002 root@mod80:/sgimips/src/sys/arch/sgimips/compile/GENERIC sgimips
Architecture: mipseb
Machine: sgimips
>Description:
panic: kernel diagnostic assertion "umap->refcount != 0" failed: file "/sys/arch/sgimips/compile/GENERIC_L2/../../../../uvm/uvm_bio.c", line 253

Stopped in pid 4816 (netstat) at        cpu_Debugger+0x4:       jr      ra
                bdslot: nop
db> trace
cpu_Debugger+4 (8ffff000,d,0,0) ra 88105a00 sz 0
panic+124 (881bd42c,d,0,5) ra 881b0b3c sz 40
__assert+2c (881bd42c,d,fd,5) ra 88163838 sz 32
ubc_fault+f8 (881bd42c,d,fd,5) ra 0 sz 112
User-level: pid 4816
db> cont
syncing disks... 
  Machine hangs here.
>How-To-Repeat:
	Unknown.  Has occured twice in 5 days.  Has happened after 03h00
	both times--Once while machine was loaded, once while idle.
	cron shows that at 03h15 each night, /etc/daily is run.  /etc/daily
	runs manually without error.
>Fix:
	Unknown.
>Release-Note:
>Audit-Trail:
>Unformatted:
 	CVS date 20020419