sparc64/139134: kernel output corruption

[Dmitry Afanasiev]

>Number:         139134
>Category:       sparc64
>Synopsis:       kernel output corruption
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-sparc64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Sep 25 15:00:11 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     Dmitry Afanasiev
>Release:        FreeBSD 9.0-CURRENT sparc64
>Organization:
>Environment:
FreeBSD sunrise-new 9.0-CURRENT FreeBSD 9.0-CURRENT #6: Wed Sep 23 19:41:56 MSD 2009     root at kot:/usr/obj/sparc64/usr/src/sys/sunrise  sparc64

>Description:
Some lines of kernel's boot log is corrupted.

Sample 1:
SMP: AP CPU #1 Launched!
dWaA1R NaItN Gm:p tW1I TbNuEsS S0  ospctbiuosn1  etnaarbgleetd ,1  elxupne c0t
rdead1u:c e<dF UpJeIrTfSoUr mMaAnYc2e0.73
RCSUN72G 0501> Fixed Direct Access SCSI-4 device
da1: 300.000MB/s transfers

Sample 2:
WARNING: WITNESS option enabled, expect reduced performance.
GEOM: da0: geometry does not match VTOC8 label (label: 24h,424s GEOM: 255h,63s).
GEOM: da1: geometry does not match VTOC8 label (label: 24h,424s GEOM: 255h,63s).
Trying to mount root from nfs:
bgNeF0S:  RlOiOnTk:  s1t9a2t.e1 6c8h.a2n.g6e4d: /teox pDoOrWtN/
i
nstall/sparc64
bbggee00::  lliinnkk  UsPt
a
te changed to UP
ct_to_ts([2009-09-23 14:44:21]) = 1253717061.000000000
ct_to_ts([2009-09-23 14:44:21]) = 1253717061.000000000
start_init: trying /sbin/init
Sep 23 14:44:21 init: NSSWITCH(_nsdispatch): nis, passwd_compat, endpwent, not found, and no fallback provided

Enter full pathname of shell or RETURN for /bin/sh: 

>How-To-Repeat:
Just a boot the kernel
>Fix:
Add to GENERIC kernel:
options         PRINTF_BUFR_SIZE=128

(it's done on amd64 platform)

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