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List:       haiku-bugs
Subject:    [haiku-bugs] Re: [Haiku] #16425: Printing over a network stalls (regression)
From:       "Haiku" <trac () haiku-os ! org>
Date:       2020-07-27 16:46:55
Message-ID: 057.6bc0d24f51b1de1ddbe2ae177737a465 () haiku-os ! org
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#16425: Printing over a network stalls (regression)
-------------------------------------+-------------------------
  Reporter:  vidrep                  |      Owner:  axeld
      Type:  bug                     |     Status:  new
  Priority:  normal                  |  Milestone:  Unscheduled
 Component:  Network & Internet/TCP  |    Version:  R1/beta2
Resolution:                          |   Keywords:
Blocked By:                          |   Blocking:
  Platform:  All                     |
-------------------------------------+-------------------------
Comment (by pulkomandy):

 Hi,
 The issue is easy to see in the pcap. In both cases, we can see that the
 printer TCP window reaches a size of 0 (meaning the buffer in the printer
 is full and it cannot accept more packets). On the hrev51382 capture, the
 computer sends a "zero window probe" after some delay, and does this until
 the printer sends a "TCP window update" once it has enough space again in
 its internal buffer. In the new capture, there is no zero window probe,
 and when the printer sends a window update, the transfer does not resume,
 and the TCP communication just stops there.
-- =

Ticket URL: <https://dev.haiku-os.org/ticket/16425#comment:4>
Haiku <https://dev.haiku-os.org>
The Haiku operating system.
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