Date: Sat, 19 Jul 2008 19:44:18 -0700 (PDT) From: Unga <unga888@yahoo.com> To: Dan Nelson <dnelson@allantgroup.com> Cc: freebsd-stable@freebsd.org Subject: Re: Pseudoterminals increase: compilation error Message-ID: <545719.90429.qm@web57010.mail.re3.yahoo.com> In-Reply-To: <20080719213056.GE19044@dan.emsphone.com>
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--- On Sun, 7/20/08, Dan Nelson <dnelson@allantgroup.com> 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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