Re: port-macppc/51938: Reproducible kernel panics caused by basic ffs file system operations (e.g. chown) on macppc

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR port-macppc/51938; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: port-macppc/51938: Reproducible kernel panics caused by basic
 ffs file system operations (e.g. chown) on macppc
Date: Sat, 4 Feb 2017 23:43:51 +0000

 On Thu, Feb 02, 2017 at 10:40:00PM +0000, dhgutteridge%sympatico.ca@localhost wrote:
  > panic: /usr: bad dir ino 212202 at offset 0: null entry
  > 
  > Stopped in pid 786.1 (chown) at netbsd:vpanic+0x140:    addi   r4, r0, 0x0
  > 0x01a0dab0: at panic+0x4c
  > 0x01a0daf0: at ufs_lookup+0x53c
  > 0x01a0dba0: at VOP_LOOKUP+0x44
  > 0x01a0dbd0: at lookup_once+0x1d8
  > 0x01a0dc30: at namei_tryemulroot+0x4b4
  > 0x01a0dd00: at namei+0x34
  > 0x01a0dd40: at fd_nameiat.isra.2+0x7c
  > 0x01a0dd70: at do_sys_statat+0x90
  > 0x01a0dde0: at sys___stat50+0x24
  > 0x01a0dea0: at syscall+0x300
  > 0x01a0df20: user SC trap #439 by 0xfdf4c5a4: srr1=0xd032
  >             r1=0xffffe7b0 cr=0x44822488 xer=0x20000000 ctr=0xfdf4c59c
  > 
  > This was on a file system previously marked clean by fsck_ffs a short
  > time before.
 
 Can you try to repeat it with ufs_lookup.c compiled with -O0?
 
 :-|
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost