[Bug 1914117] Re: Short files returned via FTP on Qemu with various architectures and OSes

[Chris Pinnock]

The more I look at this, the more I think it may be a macOS bug
underneath.

I've tested OpenBSD as a guest on a Debian AWS instance running 4.2.1 - all is 
fine.
I've tested OpenBSD as a guest on a FreeBSD AWS instance running whatever is in 
ports and all is fine.

Also others are having trouble:
https://twitter.com/astr0baby/status/1354952352713887754
Mac OS on M1 silicon with Free and NetBSD as guest OS.

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https://bugs.launchpad.net/bugs/1914117

Title:
  Short files returned via FTP on Qemu with various architectures and
  OSes

Status in QEMU:
  New

Bug description:
  
  Qemu 5.2 on Mac OS X Big Sur.

  I originally thought that it might be caused by the home-brew version of 
Qemu, but this evening I have removed the brew edition and compiled from 
scratch (using Ninja & Xcode compiler). 
  Still getting the same problem,.

  On the following architectures: 
  arm64, amd64 and sometimes i386 running NetBSD host OS; 
  i386 running OpenBSD host OS:

  I have seen a consistent problem with FTP returning short files. The
  file will be a couple of bytes too short. I do not believe this is a
  problem with the OS. Downloading the perl source code from CPAN does
  not work properly, nor does downloading bind from isc. I've tried this
  on different architectures as above.

  (Qemu 4.2 on Ubuntu/x86_64 with NetBSD/i386 seems to function fine. My
  gut feel is there is something not right on the Mac OS version of Qemu
  or a bug in 5.2 - obviously in the network layer somewhere. If you
  have anything you want me to try, please let me know - happy to help
  get a resolution.)

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