Subject: port-mac68k/25953: uvm crash on mac68k
To: None <gnats-bugs@gnats.NetBSD.org>
From: None <netbsd@leitec.org>
List: netbsd-bugs
Date: 06/17/2004 15:49:39
>Number:         25953
>Category:       port-mac68k
>Synopsis:       uvm crash on mac68k
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-mac68k-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jun 17 15:50:00 UTC 2004
>Closed-Date:
>Last-Modified:
>Originator:     Claudio Leite
>Release:        2.0-BETA
>Organization:
>Environment:
NetBSD elsie.ath.cx 2.0_BETA NetBSD 2.0_BETA (ELSIE) #0: Sat Jun 12 20:36:44 EDT 2004 leitec@pfzt.net:/home/leitec/bsd/src/sys/arch/mac68k/compile/obj/ELSIE mac68k

My configuration is based on 030FPESBC from Ed O'Neel's softfloat build.  I also tested GENERIC, GENERICSBC, 030FPESBC, all of which had the same problem.
>Description:
Some internet-enabled programs cause a UVM crash. I've observed this with ftp, distcc and ncftp. I've also tested this on 1.6.2, same problem.

panic: kernel diagnostic assertion "umap->refcount != 0" failed: file
"/home/leitec/bsd/src/sys/uvm/uvm_bio.c", line 257
Stopped in pid 2128.1 (distcc) at	netbsd:cpu_Debugger+0x6:	unlk
a
6
db>
>How-To-Repeat:
ftp alpha.gnu.org always crashes after logging in as anonymous, whether using ncftp2 or standard NetBSD ftp (both 2.0-BETA and 1.6.2 tested).
>Fix:

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