cdrecord: Resource temporarily unavailable. Cannot get mmap for 8392704 Bytes on /dev

[jarodriguezm]

When I intent to burn a CD, I get the next error:
---------------------------------------------------------------------------
cdrecord: No write mode specified.
cdrecord: Asuming -tao mode.
cdrecord: Future versions of cdrecord may have different drive dependent defaults.
cdrecord: Continuing in 5 seconds...
Cdrecord-Clone 2.01.01a03-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2005 J��rg Schilling
NOTE: This version contains the OSS DVD extensions for cdrtools and thus may
have bugs related to DVD issues that are not present in the original
cdrtools. Please send bug reports or support requests to
http://bugzilla.redhat.com/bugzilla The original cdrtools author should
not be bothered with problems in this version.
TOC Type: 1 = CD-ROM
cdrecord: Resource temporarily unavailable. Cannot get mmap for 8392704 Bytes on /dev/zero.
----------------------------------------------------------------------------------------
my fstab is:

/dev/cdrom /mnt/cdrom udf,iso9660 noauto,user,kudzu,ro 0 0
/dev/cdrom-hdc /mnt/cdrom1 udf,iso9660 noauto,user,kudzu,ro 0 0
#/dev/dvd /mnt/dvd udf,iso9660 noauto,owner,kudzu,ro 0 0

----------------------------------------------------------------------------------------------
and the cdrecord -scanbus produces:

Cdrecord-Clone 2.01.01a03-dvd (i686-pc-linux-gnu) Copyright (C) 1995-2005 J��rg Schilling
NOTE: This version contains the OSS DVD extensions for cdrtools and thus may
have bugs related to DVD issues that are not present in the original
cdrtools. Please send bug reports or support requests to
http://bugzilla.redhat.com/bugzilla The original cdrtools author should
not be bothered with problems in this version.
scsidev: 'ATA'
devname: 'ATA'
scsibus: -2 target: -2 lun: -2
Linux sg driver version: 3.5.27
Using libscg version 'schily-0.8'.
cdrecord: Warning: using inofficial libscg transport code version (schily - Red Hat-scsi-linux-sg.c-1.85-RH '@(#)scsi-linux-sg.c 1.85 05/05/16 Copyright 1997 J. Schilling').
scsibus1:
1,0,0 100) 'HL-DT-ST' 'RW/DVD GCC-4480B' '1.02' Removable CD-ROM
1,1,0 101) 'ATAPI ' 'CD-ROM DRIVE-32X' '327P' Removable CD-ROM
1,2,0 102) *
1,3,0 103) *
1,4,0 104) *
1,5,0 105) *
1,6,0 106) *
1,7,0 107) *
--------------------------------------------------------------------------------
my kernel (fedora 5.0) is : 2.6.16-1.2122_FC5

The comman was: cdrecord dev=1,0,0 speed=4 fs=8m blank=fast -v -eject respaldos2.iso

Please: Anybody knows how to fix that problem? Thanks in advance.