--- On Sun, 7/20/08, Dan Nelson <[EMAIL PROTECTED]> wrote:
> Expect's error message doesn't say anything except
> "something isn't
> working but I won't tell you what". Run
>
> truss -o truss.log -f expect -c "spawn ls"
>
> and determine which syscall is failing, with what error
> number, just
> before expect prints its "no more ptys" message.
> That will tell you
> whether it's a permissions issue, or something else.
> If there are no
> obvious errors, post a part of the log.
>
> Also, what version of expect are you running? Versions
> between
> 5.38.0_1 and 5.43.0_2 had a bug in the port Makefile that
> limited the
> number of ptys expect could see. See
> http://www.freebsd.org/cgi/query-pr.cgi?pr=108311 .
>
Here are more detail. In fact, I noted it through strace after my previous
email.
ls -l /dev/ | grep pty
crw-rw-rw- 1 root wheel 0, 169 Jul 20 10:11 ptyp0
crw-rw-rw- 1 root wheel 0, 171 Jul 20 10:22 ptyp1
truss -o truss.log -f expect -c "spawn ls"
1178: open("/dev/ptyp0",O_RDWR,027757763030) ERR#5 'Input/output error'
1178: open("/dev/ptyp1",O_RDWR,027757763030) ERR#5 'Input/output error'
1178: open("/dev/ptyp2",O_RDWR,027757763030) = 5 (0x5)
1178: fstat(5,{mode=crw-rw-rw- ,inode=178,size=0,blksize=4096}) = 0 (0x0)
:
:
1178: chown("/dev/ttyp2",1002,4) ERR#1 'Operation not permitted'
1178: close(5) = 0 (0x0)
1178: close(-1) ERR#9 'Bad file descriptor'
1178: close(-1) ERR#9 'Bad file descriptor'
1178: open("/",O_RDONLY,027757764430) = 5 (0x5)
1178: close(5) = 0 (0x0)
1178: write(2,"The system has no more ptys. As"...,106) = 106 (0x6a)
1178: write(2,"\r\n",2) = 1179 (0x49b)
= 2 (0x2)
ls -l /dev/ | grep pty
crw-rw-rw- 1 root wheel 0, 169 Jul 20 10:11 ptyp0
crw-rw-rw- 1 root wheel 0, 171 Jul 20 10:23 ptyp1
crw-rw-rw- 1 root wheel 0, 178 Jul 20 10:11 ptyp2
I'm using Expect-5.43.0 compiled from sources.
So, it looks like some sort of a misconfiguration. Still investigating.
Regards
Unga
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