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Re: [Qemu-devel] [PATCH v6 00/12] curl: fix curl read

From: Richard W.M. Jones
Subject: Re: [Qemu-devel] [PATCH v6 00/12] curl: fix curl read
Date: Tue, 28 May 2013 12:01:55 +0100
User-agent: Mutt/1.5.20 (2009-12-10)

On Tue, May 28, 2013 at 11:35:20AM +0100, Richard W.M. Jones wrote:
> I'm continuing to investigate.

Some more data points:

v6 patch, with my laptop plugged directly into the gigabit ethernet
switch which is connected to the web server:

 - Worked perfectly 5 times in a row.

v6 patch, with my laptop next to the wifi aerial:

 - Bug is harder to reproduce, maybe only happens 50% of runs.

v6 patch, with my laptop about 100' from the wifi aerial:

 - Bug reproduces on every run.

So something to do with long latency links.

Question: Is there a place in the patch we could put a sleep in order
to simulate a long latency link?

I also checked the logs on the web server.  There are no errors, and
each access returned a 200 or 206.  So the problem doesn't appear to
be at the web server end.


Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org

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