Re: [Ssh-sftp-perl-users] Slow connections with ssh key but quick with password

[Bryan B. <br...@bu...>]

> When i do strace on the program it get stuck there
>
> 5822  open("/dev/random", O_RDONLY|O_LARGEFILE) =3D 4
> 5822  ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS,
> 0xbfbdf468) =3D -1 EINVAL (Invalid argument)
> 5822  _llseek(4, 0, [0], SEEK_CUR)      =3D 0
> 5822  fstat64(4, {st_mode=3DS_IFCHR|0666,
> st_rdev=3Dmakedev(1, 8), ...}) =3D 0
> 5822  fcntl64(4, F_SETFD, FD_CLOEXEC)   =3D 0
> 5822  read(4, "$\327\364\v\342", 21)    =3D 5
> 5822  read(4, "\20\235@\1\310W\2668", 16) =3D 8
> 5822  read(4, "\2203\356\254\354]\266 ", 8) =3D 8
> 5822  close(4)                          =3D 0
>
> around the 2nd and 3rd read instruction.
>
> --- Miky J <mi...@ya...> a =E9crit :

Looks like you are quickly running out of entropy.  Check for patches on
your OS that fix this, or do something like this:

# mv /dev/random /dev/random.bak
# cp /dev/urandom /dev/random

Though, expect that your not really getting random numbers after making
this change.  The better solution would be to fix any os problems.  You
might check for good entropy by doing this:

# cat -uv /dev/random

If you see stuff come by pretty fast, then this is not the problem at all.
 If it hangs after printing a few lines, then you certainly have issues
generating enough entropy.

Good luck.

Bryan
http://www.sourceforge.net/projects/rover