Re: kern/31507: getcwd returns ERANGE after directory move across null mount

[Simon Burge <simonb%NetBSD.org@localhost>]

The following reply was made to PR kern/31507; it has been noted by GNATS.

From: Simon Burge <simonb%NetBSD.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
    netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/31507: getcwd returns ERANGE after directory move across null 
mount 
Date: Mon, 05 May 2008 16:41:37 +1000

 With netbsd-4 from October 26 2007, the same test just traps/panics.
 A backtrace from core dump doesn't show anything useful really (stack
 corruption?):
 
   (gdb) bt
   #0  0xc04ef80a in cpu_reboot (howto=0, bootstr=0x0)
       at ./sys/arch/i386/i386/machdep.c:896
   #1  0xc04571bb in panic (fmt=0x0) at ./sys/kern/subr_prf.c:246
   #2  0xc04f9f5f in trap (frame=0xd13ea754) at ./sys/arch/i386/i386/trap.c:339
   #3  0xc010b239 in calltrap ()
   #4  0xd13ea754 in ?? ()
   #5  0xd13e0010 in ?? ()
   #6  0xd13e0030 in ?? ()
   #7  0xc0a30010 in playstats ()
   #8  0x00000010 in ?? ()
   #9  0x00000002 in ?? ()
   #10 0x00000002 in ?? ()
   #11 0xd13ea79c in ?? ()
   #12 0x00000004 in ?? ()
   #13 0x00000000 in ?? ()