[640] in NetBSD-Development
AFS problems
daemon@ATHENA.MIT.EDU (ghudson@MIT.EDU)
Thu Mar 9 16:07:50 1995
From: ghudson@MIT.EDU
Date: Thu, 9 Mar 95 16:07:27 -0500
To: netbsd-afs@MIT.EDU
There seems to be an occasional bug with mmap() such that programs
start dumping core when they run. "fs flushvolume /usr/athena/bin"
didn't help in this case.
lola-granola% fs lsm old
'old' is a mount point for volume '#system.inbsd.usrathena.backup'
lola-granola% sum old/bin/zwgc
34320 136
lola-granola% sum /usr/athena/bin/zwgc
34320 136
lola-granola% old/bin/zwgc
lola-granola% /usr/athena/bin/zwgc
Segmentation fault
lola-granola% cat /usr/athena/bin/zwgc > /var/tmp/foo
lola-granola% sum /var/tmp/foo
34320 136
lola-granola% ktrace /usr/athena/bin/zwgc
Segmentation fault
lola-granola% kdump
11151 ktrace RET ktrace 0
11151 ktrace CALL execve(0xf7bfd917,0xf7bfd898,0xf7bfd8a0)
11151 ktrace NAMI "/usr/athena/bin/zwgc"
11151 zwgc RET execve 0
11151 zwgc CALL open(0x10a4,0,0)
11151 zwgc NAMI "/usr/libexec/ld.so"
11151 zwgc RET open 3
11151 zwgc CALL read(0x3,0xf7bfd848,0x20)
11151 zwgc GIO fd 3 read 32 bytes
"\M-@\M^F\^A\v\0\M-P\0\0\0\^P\0\0<\^C\0\0\0\0\0\0 \0\0\0\0\0\0\0\0\0\0\0"
11151 zwgc RET read 32/0x20
11151 zwgc CALL mmap(0,0xd000,0x5,0x4,0x3,0,0,0)
11151 zwgc RET mmap 268558336/0x1001e000
11151 zwgc CALL mmap(0x1002b000,0x1000,0x3,0x14,0x3,0,0xd000,0)
11151 zwgc RET mmap 268611584/0x1002b000
11151 zwgc CALL mmap(0x1002c000,0x33c,0x3,0x1014,0xffffffff,0,0,0)
11151 zwgc RET mmap 268615680/0x1002c000
11151 zwgc CALL getuid
11151 zwgc RET getuid 3622/0xe26
11151 zwgc CALL geteuid
11151 zwgc RET geteuid 3622/0xe26
11151 zwgc CALL getgid
11151 zwgc RET getgid 101/0x65
11151 zwgc CALL getegid
11151 zwgc RET getegid 101/0x65
11151 zwgc CALL mmap(0,0x8000,0x3,0x1004,0xffffffff,0,0,0)
11151 zwgc RET mmap 268619776/0x1002d000
11151 zwgc PSIG SIGSEGV SIG_DFL
lola-granola% uname -a
NetBSD lola-granola 1.0 NetBSD 1.0 (LOLA-DDB) #69: Tue Feb 14 19:56:56 EST 1995 jhawk@lola-granola:/u1/usr/src/sys/arch/i386/compile/LOLA-DDB i386
lola-granola% ls -l /usr/athena/bin/zwgc old/bin/zwgc
-rwxr-xr-x 1 ghudson wheel 139264 Jan 14 10:36 /usr/athena/bin/zwgc
-rwxr-xr-x 1 ghudson wheel 139264 Jan 14 10:36 old/bin/zwgc
