Re: CD-ROM can't be ejected

[Bc. Michal Semler]

> > > On Thu, Sep 16 2004, Bc. Michal Semler wrote:
> > > > notas:/home/cijoml# mount /cdrom/
> > > > notas:/home/cijoml# umount /cdrom/
> > > > notas:/home/cijoml# strace -o eject /dev/hdc
> > > > eject: unable to eject, last error: Nep?ípustný argument
> > > >
> > > > As you can see, I dont't enter to directory...
> > > >
> > > > And output is included
> > > >
> > > > ioctl(3, CDROMEJECT, 0xbffffac8)        = -1 EIO (Input/output error)
> > >
> > > That's the important bit, the reason you get EINVAL passed back is
> > > because eject tries the floppy eject as well and decides to print the
> > > warning from that. It really should just stop of it sees -EIO, only
> > > continue if EINVAL/ENOTTY is passed back.
> > >
> > > Try this little c program and report back what it tells you. Compile
> > > with
> > >
> > > gcc -Wall -o eject eject.c
> > >
> > > and run without arguments.
> > >
> > > #include <stdio.h>
> > > #include <stdlib.h>
> > > #include <fcntl.h>
> > > #include <string.h>
> > > #include <sys/ioctl.h>
> > > #include <linux/cdrom.h>
> > >
> > > int main(int argc, char *argv[])
> > > {
> > > 	int fd = open("/dev/hdc", O_RDONLY | O_NONBLOCK);
> > > 	struct cdrom_generic_command cgc;
> > > 	struct request_sense sense;
> > >
> > > 	memset(&cgc, 0, sizeof(cgc));
> > > 	memset(&sense, 0, sizeof(sense));
> > >
> > > 	cgc.cmd[0] = 0x1b;
> > > 	cgc.cmd[4] = 0x02;
> > > 	cgc.sense = &sense;
> > > 	cgc.data_direction = CGC_DATA_NONE;
> > >
> > > 	if (ioctl(fd, CDROM_SEND_PACKET, &cgc) == 0) {
> > > 		printf("eject worked\n");
> > > 		return 0;
> > > 	}
> > >
> > > 	printf("command failed - sense %x/%x/%x\n", sense.sense_key,
> > > sense.asc, sense.ascq); return 1;
> > > }
> >
> > 2.4.27-mh1
> > notas:~# /home/cijoml/eject
> > ATAPI device hdc:
> >   Error: Not ready -- (Sense key=0x02)
> >   (reserved error code) -- (asc=0x53, ascq=0x02)
> >   The failed "Start/Stop Unit" packet command was:
> >   "1b 00 00 00 02 00 00 00 00 00 00 00 "
> > command failed - sense 2/53/2
>
> Your tray is still locked, are you sure it isn't mounted?

Yes I am. This is written into console and I am logged only into this console 
and I copied whole commands from login to eject... :(

M.
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