Hi, Rather unbelievable, but upgrading the _kernel_ from 2.6.18-128.7.1 to 2.6.18-164.6.1 fixed the problem (we had good reasons not to upgrade, but we worked around them). Thanks, Matthieu Moy <Matthieu.Moy@xxxxxxxxxxxxxxx> writes: > Hi, > > I'm having trouble with the sshd on one particular machine. In short: > > $ head -c 196481 /dev/zero | ssh machine-name 'LANG=C wc' > 0 0 65536 > > (the 65536 here should have been a 196481 ...) > > This happens whether I launch the command from the machine, or from > another remote machine. The OpenSSH version is: > > OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008 > > with: > > $ cat /etc/redhat-release > Red Hat Enterprise Linux Server release 5.4 (Tikanga) > $ uname -a > Linux machine-name 2.6.18-128.7.1.el5 #1 SMP Wed Aug 19 04:08:13 EDT 2009 ppc64 ppc64 ppc64 GNU/Linux > > One surprising thing: > > $ head -c 196481 /dev/zero | ssh machine-name 'LANG=C wc' > 0 0 65536 > $ head -c 196480 /dev/zero | ssh machine-name 'LANG=C wc' > 0 0 196480 > > So, the bug is triggered when sending 196481 bytes or more, but the > consequence is a truncation of the input at 65536=2^16 bytes. > > Any idea what's going on? > > Thanks, > > (please, keep me Cc-ed, I didn't subscribe to the list) -- Matthieu Moy http://www-verimag.imag.fr/~moy/
