Date: Mon, 16 Aug 1999 17:05:07 +0200 (CEST) From: Danaii Maziar <dm@easynet.fr> To: freebsd-questions@FreeBSD.ORG Subject: FIFO -- Device not configured Message-ID: <14264.9594.118127.306139@golem.easynet.fr>
next in thread | raw e-mail | index | archive | help
Hi,
I've created a fifo (with mkfifo) and every time I try to open it I
get -- Device not configured -- As I know Fifo is standard part of
kernel and there is no need to add options.
Any suggestion.
Thanks.
# uname -a
2.2.8-STABLE FreeBSD 2.2.8-STABLE
# ls -l
prw-rw-rw- 1 root wheel 0 Aug 16 16:25 radfifo
# cat xx.c
#include <stdio.h>
#include <fcntl.h>
main()
{
int pokefd;
pokefd=open("radfifo", O_WRONLY|O_NONBLOCK);
if (pokefd < 0) {
perror("open:");
exit(1);
}
close(pokefd);
}
# kdump
# kdump
5343 ktrace RET ktrace 0
5343 ktrace CALL execve(0xefbfdcfb,0xefbfdc90,0xefbfdc98)
5343 ktrace NAMI "/tmp/xx"
5343 xx RET execve 0
5343 xx CALL open(0x10c0,0x5,0)
5343 xx NAMI "radfifo"
5343 xx RET open -1 errno 6 Device not configured
5343 xx CALL writev(0x2,0xefbfdc44,0x4)
5343 xx GIO fd 2 wrote 29 bytes
"open:: Device not configured
"
5343 xx RET writev 29/0x1d
5343 xx CALL exit(0x1)
--
Easynet France
33 1.44.54.70.32
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?14264.9594.118127.306139>