port-cobalt/48359: NetBSD/cobalt 6.99.25 GENERIC kernel freeze at initializing com0

[ryoon%NetBSD.org@localhost]

>Number:         48359
>Category:       port-cobalt
>Synopsis:       NetBSD/cobalt 6.99.25 GENERIC kernel freeze at initializing 
>com0
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-cobalt-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Nov 01 17:35:00 +0000 2013
>Originator:     Ryo ONODERA
>Release:        NetBSD 6.99.25
>Organization:
        
>Environment:
        
        
System: NetBSD tellurium.elements.tetera.org 6.99.25 NetBSD 6.99.25 (DTRACE) 
#1: Fri Nov 1 20:29:16 JST 2013 
ryo_on%tellurium.elements.tetera.org@localhost:/usr/obj/amd64/sys/arch/amd64/compile/DTRACE
 amd64
Architecture: x86_64
Machine: amd64
>Description:
Booting from NFS, GENERIC kernel freezes when detecting com0.
com0 line should be

com0 at mainbus0 addr 0x1c800000 level 3: st16650a, working fifo

or similar.


Cobalt Microserver Diagnostics - 'We serve it, you surf it'
Built Wed Mar  3 21:26:25 PST 1999

 1.LCD Test................................PASS
 2.Controller Test.........................PASS
 5.Bank 0:.................................64M
 6.Bank 1:.................................64M
 7.Bank 2:.................................64M
 8.Bank 3:.................................64M
 9.Serial Test.............................PASS
10.PCI Expansion Slot....................**Unknown Card**
12.IDE Test................................PASS
13.Ethernet Test...........................PASS
16.RTC Test................................PASS
Decompressing  done
Decompressing  done.

>> NetBSD/cobalt 6.99.25 Bootloader, Revision 1.0 (Thu Oct 31 19:23:06 UTC 
>> 2013) [@0x80f00000]
>> Model:               Cobalt Qube 2
>> Memory:              262144 k
>> PROM boot string:    root=/dev/nfs nfsroot=/nfsroot nfsaddrs=bootp
Boot [nfs:netbsd]:
Loading: nfs:netbsd
5067664+132976 [229520+230376]=0x5664c8
Starting at 0x80001000

pmap_steal_memory: seg 0: 0x567 0x567 0xfffe 0xfffe
pmap_steal_memory: seg 0: 0x59d 0x59d 0xfffe 0xfffe
pmap_steal_memory: seg 0: 0x59f 0x59f 0xfffe 0xfffe
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 6.99.25 (GENERIC) #0: Thu Oct 31 19:39:01 UTC 2013
        
builds%b8.netbsd.org@localhost:/home/builds/ab/HEAD/cobalt/201310311700Z-obj/home/builds/ab/HEAD/src/sys/arch/cobalt/compile/GENERIC
Cobalt Qube 2
total memory = 256 MB
avail memory = 245 MB
mainbus0 (root)
com0 at mainbus0 addr 0x1c800000 level 3


        
>How-To-Repeat:
Boot NetBSD/cobalt 6.99.25 with GENERIC kernel.

        
>Fix:
        
I have no idea. Please fix this.

>Unformatted: