[Users] Problem with TCP window too large for TCPRCVBUF still present

Vitaliy Gusev vgusev at openvz.org
Tue Mar 25 08:33:08 EDT 2008


Hello!

On 24 March 2008 18:39:25 Marcin Owsiany wrote:
> On Sat, Mar 22, 2008 at 11:17:20PM +0000, Marcin Owsiany wrote:
> > As the next step I'm going to build a kernel with the 028.53.3 openvz
> > patch, but without the window fix patch, to see where the problem lies.
> 
> I tried this, and window size is correct (i.e. around 11 KB rather than
> below 1 KB) with the 028.53.3 openvz patch, but without the "window size
> fix" patch, so the fault must be in the latter.

Thanks for your testing!

Does the original kernel 028.53.3 still have issue with sending ack?

I see if VE has too small tcprcvbuf (about 30000) then server retransmit
packets to VE. But i can't reproduce a deadlock state.

> 
> Please let me know if you have a newer version to be tested.
> 

-- 
Thank,
Vitaliy Gusev


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