A program I wrote and has run many many times before suddenly stopped
running, giving "permission denied" errors. Thinking this ight have to
to with the recent C++ library changes, I recompiled it. But this did
not help. I decided to strace, and get a clue what it might be trying
to do:
[EMAIL PROTECTED]:~/dv/txt$ ls -l i686/
total 184
-rwxr-xr-x 1 hendrik hendrik 46941 2006-05-08 11:41 mtxt2ps
-rwxr-xr-x 1 hendrik hendrik 104526 2006-04-25 06:35 parseabw
-rwxr-xr-x 1 hendrik hendrik 31945 2006-05-23 08:57 txt
[EMAIL PROTECTED]:~/dv/txt$ man strace
Reformatting strace(1), please wait...
[EMAIL PROTECTED]:~/dv/txt$ strace i686/txt
execve("i686/txt", ["i686/txt"], [/* 26 vars */]) = -1 EACCES (Permission
denied)
dup(2) = 3
fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR)
fstat64(3, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb7f4f000
_llseek(3, 0, 0xbfa63138, SEEK_CUR) = -1 ESPIPE (Illegal seek)
write(3, "strace: exec: Permission denied\n", 32strace: exec: Permission denied
) = 32
close(3) = 0
munmap(0xb7f4f000, 4096) = 0
exit_group(1) = ?
Process 8317 detached
[EMAIL PROTECTED]:~/dv/txt$
It looks as if execve is failing to read the executable. But there were
no compilation errors, and permissions seem to be set correctly.
Does this indicate that I, or my computer, has gone mad?
Or is there something deep I need to know?
It's an ordinary 32-bit PC, running etch.
-- hendrik
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