Hi Luca!
> Can you tell us the file name (and permission) of file descriptor '5'
Of course!
$ groups
disk dialout fax voice cdrom floppy tape sudo audio dip video games users lpadmin usb scanner camera fuse
# ls -l /dev/mapper/
crw-rw---- 1 root cdrom 10, 63 2007-04-20 18:13 control
open("/dev/mapper/control", O_RDWR|O_LARGEFILE) = 5
open("/proc/devices", O_RDONLY|O_LARGEFILE) = 6
fstat64(6, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7
fb2000
read(6, "Character devices:\n 1 mem\n 2 p"..., 1024) = 441
read(6, "", 1024) = 0
close(6) = 0
munmap(0xb7fb2000, 4096) = 0
ioctl(5, DM_VERSION, 0x80d5c80) = -1 EACCES (Permission denied)
open("/usr/share/locale/de/LC_MESSAGES/libc.mo", O_RDONLY) = 6
fstat64(6, {st_mode=S_IFREG|0644, st_size=123180, ...}) = 0
mmap2(NULL, 123180, PROT_READ, MAP_PRIVATE, 6, 0) = 0xb7bd6000
close(6) = 0
ioctl(5, DM_VERSION, 0x80d5c80) = -1 EACCES (Permission denied)
close(5) = 0
Do you think I have a chance to get it working my way without sudo?
Thanks
Lars
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