Re: Window shrinking (was Linux v2.6.16-rc6)

2006-04-12 Thread Andy Furniss
Roberto Nibali wrote: I had the distinct pleasure of partly get involved with debugging network stalls related to Linux clients (2.6.x kernel) and a Packeteer. Dare I suggest that it could be something as trivial as it looks like window scaling defaults to off on SunOS 2.5.1 and it's on on

Re: Window shrinking (was Linux v2.6.16-rc6)

2006-04-12 Thread Roberto Nibali
Thanks Mark, I guess packeteer closes window down properly, I thought Dave's reply meant that doing that was Treason. Packeteer is almost certainly being cavalier about the way it reduces windows. It could be a serious problem, depending on the way it treats traffic on the return path. The "

Re: Window shrinking (was Linux v2.6.16-rc6)

2006-04-10 Thread Mark Butler
Andy Furniss wrote: Mark Butler wrote: Andy Furniss wrote: Mark Butler wrote: There is no problem manipulating the TCP window per se. The problem is advertising a window and then shrinking it faster than it is naturally reduced by incoming data, essentially granting credit to transmit x

Re: Window shrinking (was Linux v2.6.16-rc6)

2006-04-10 Thread Andy Furniss
Mark Butler wrote: Andy Furniss wrote: Mark Butler wrote: There is no problem manipulating the TCP window per se. The problem is advertising a window and then shrinking it faster than it is naturally reduced by incoming data, essentially granting credit to transmit x bytes, and then revokin

Re: Window shrinking (was Linux v2.6.16-rc6)

2006-04-10 Thread Mark Butler
Andy Furniss wrote: Mark Butler wrote: There is no problem manipulating the TCP window per se. The problem is advertising a window and then shrinking it faster than it is naturally reduced by incoming data, essentially granting credit to transmit x bytes, and then revoking that credit. The

Re: Window shrinking (was Linux v2.6.16-rc6)

2006-04-10 Thread Andy Furniss
Mark Butler wrote: There is no problem manipulating the TCP window per se. The problem is advertising a window and then shrinking it faster than it is naturally reduced by incoming data, essentially granting credit to transmit x bytes, and then revoking that credit. The net result is the peer

Re: Window shrinking (was Linux v2.6.16-rc6)

2006-04-09 Thread Mark Butler
Andy Furniss wrote: David S. Miller wrote: From: "Michal Piotrowski" <[EMAIL PROTECTED]> Date: Sun, 12 Mar 2006 02:51:40 +0100 I have noticed this warnings TCP: Treason uncloaked! Peer 82.113.55.2:11759/50967 shrinks window 148470938:148470943. Repaired. TCP: Treason uncloaked! Peer 82.113.5

Re: Linux v2.6.16-rc6

2006-04-09 Thread Andy Furniss
David S. Miller wrote: From: "Michal Piotrowski" <[EMAIL PROTECTED]> Date: Sun, 12 Mar 2006 02:51:40 +0100 I have noticed this warnings TCP: Treason uncloaked! Peer 82.113.55.2:11759/50967 shrinks window 148470938:148470943. Repaired. TCP: Treason uncloaked! Peer 82.113.55.2:11759/50967 shrink

Re: Linux v2.6.16-rc6

2006-03-12 Thread Michal Piotrowski
Hi, On 12/03/06, David S. Miller <[EMAIL PROTECTED]> wrote: > From: "Michal Piotrowski" <[EMAIL PROTECTED]> > Date: Sun, 12 Mar 2006 02:51:40 +0100 > > > I have noticed this warnings > > TCP: Treason uncloaked! Peer 82.113.55.2:11759/50967 shrinks window > > 148470938:148470943. Repaired. > > TCP:

Re: Linux v2.6.16-rc6

2006-03-12 Thread Willy Tarreau
On Sat, Mar 11, 2006 at 06:39:04PM -0800, David S. Miller wrote: > From: "Michal Piotrowski" <[EMAIL PROTECTED]> > Date: Sun, 12 Mar 2006 02:51:40 +0100 > > > I have noticed this warnings > > TCP: Treason uncloaked! Peer 82.113.55.2:11759/50967 shrinks window > > 148470938:148470943. Repaired. > >

Re: Linux v2.6.16-rc6

2006-03-11 Thread David S. Miller
From: "Michal Piotrowski" <[EMAIL PROTECTED]> Date: Sun, 12 Mar 2006 02:51:40 +0100 > I have noticed this warnings > TCP: Treason uncloaked! Peer 82.113.55.2:11759/50967 shrinks window > 148470938:148470943. Repaired. > TCP: Treason uncloaked! Peer 82.113.55.2:11759/50967 shrinks window > 14847093

Re: Linux v2.6.16-rc6

2006-03-11 Thread Michal Piotrowski
Hi, On 12/03/06, Linus Torvalds <[EMAIL PROTECTED]> wrote: > > Ok, we're getting closer, although the 2.6.16 release certainly seems to > drag out more than it should have. > I have noticed this warnings TCP: Treason uncloaked! Peer 82.113.55.2:11759/50967 shrinks window 148470938:148470943. Repa