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[Bug 1656927] Re: Network (TCP) access regression

From: Launchpad Bug Tracker
Subject: [Bug 1656927] Re: Network (TCP) access regression
Date: Wed, 11 Mar 2020 04:17:26 -0000

[Expired for QEMU because there has been no activity for 60 days.]

** Changed in: qemu
       Status: Incomplete => Expired

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  Network (TCP) access regression

Status in QEMU:

Bug description:
  Starting a VM with

  /usr/bin/qemu-system-x86_64 -machine pc-i440fx-1.7,accel=kvm -usb -usbdevice 
tablet -usbdevice keyboard -enable-kvm -cpu core2duo -smp 2 -drive file=winp
  ro.qcow,index=0,media=disk,format=qcow2 -m 4096 -vga vmware -vnc :3 -k en-us 
-device rtl8139,netdev=nic1 -netdev user,id=nic1,smb=/data/vps/files/,hostfw
  d=tcp::10053-:10053,hostfwd=tcp::3387-:3389 -rtc base=utc,clock=host 

  in 2.5.1, all works fine

  in any version after, the network terminate TCP connections
  after a certain period .

  To reproduce, starts an app that use always connected TCP sockets (I
  am using Metatrader 4), let it run a an hour, the app does not realize
  the TCP is out of order but the TCP connection is closed by QEMU

  in 2.5.1.x, Metatrader works perfectly

  Thank you for your help

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