scp 3.1p1 problem on Solaris

[Damien Miller]

On Wed, 1 May 2002, Lars Hecking wrote:

> 
>  I have removed ANDIrand from my Solaris8 system and installed patch
>  112438-01 which provides native /dev/random and /dev/urandom devices.
>  Recompiled both openssl-0.9.6c and openssh-3.1p1, restarted sshd.
> 
>  Now I seem unable to use scp, and connections to the local sshd appear
>  to be very slow.
> 
> $ scp php-4.2.0.tar.gz user at remote:/WWWserv/src
> local at bastion's password: 
> php-4.2.0.tar.gz       6% |*                            |   224 KB  - stalled -
> 
>  When I'm trussing this scp process, I find that the following
>  output repeats over and over at some stage:
> 
> ...
>     Received signal #14, SIGALRM, in write() [caught]
> write(7, " AF8 d >FF z y 9FF02 z x".., 8192)    = 5120
> ioctl(1, TIOCGSID, 0xFFBEDE34)                  = 0
> getsid(0)                                       = 508
> ioctl(1, TIOCGPGRP, 0xFFBEDE9C)                 = 0
> ioctl(1, TIOCGWINSZ, 0xFFBEDEF8)                = 0
> write(1, "\r p h p - 4 . 2 . 0 . t".., 80)      = 80
> sigaction(SIGALRM, 0xFFBEDFF8, 0xFFBEE078)      = 0
> alarm(1)                                        = 0
> setcontext(0xFFBEE1E8)
> ...

This is just the progress meter periodically updating, which will happen
regardless of data flow.

You need to see why the connection stalls. Does a FTP connection stall 
between the two hosts? If no, you should try "scp -v -v -v xxxx yy:zzzz"
to turn on full debugging.

-d