In my experience it is unlikely to be a Linux specific issue, and more of a
prediction issue. Try introducing fake lag on a listen server (net_fakelag
200) and seeing if the issue is reproducable. That should make it much
easier to debug.

On Sat, Feb 19, 2011 at 9:33 PM, Maarten De Meyer <[email protected]>wrote:

>  Yes, they are.
> ------------------------------
> From: Jonathan Murphy
> Sent: zaterdag 19 februari 2011 11:02
> To: Discussion of Half-Life Programming
> Subject: Re: [hlcoders] Physics props 90° angle snap issue - (linux?)
>
>
> Would be a interesting clue to know if all players are seeing exactly the
> same thing?
>
> On Sat, Feb 19, 2011 at 7:42 PM, Joel R. <[email protected]> wrote:
>
>> Have you tested it on a windows dedicated server?  Listenservers don't act
>> entirely the same as dedicated servers.  It appears like the angle of the
>> physics object is updating a bad networked angle value.
>>
>>
>> On Sat, Feb 19, 2011 at 2:22 AM, Maarten De Meyer 
>> <[email protected]>wrote:
>>
>>> As great as Noir Desir's song is, obviously it's not what I wanted to
>>> show :D
>>> Here's the real vid with the issue:
>>>
>>> *http://www.youtube.com/watch?v=QhmrP6eSAek*
>>>
>>> sorry for that.
>>>
>>>
>>> On 19/02/2011 9:15, Maarten De Meyer wrote:
>>>
>>>  Hi list,
>>>
>>> we're facing an issue I don't immediately know where to start to debug.
>>> Basically, in all of our maps, some physics props have an issue where the
>>> orientation of their model snaps at 90° angles instantaneously. This is not
>>> only with props, but also eg with our vehicles, so I'm looking suspicously
>>> at vphysics :). In addition, this only seems to happen on our linux server.
>>> Not 100% sure, since it does not happen consistently on all props, but we've
>>> tried reproducing it a lot on a windows listenserver without success, and on
>>> our linux dedicated server it happens frequently. Here's a video of the
>>> issue:
>>>
>>> *http://www.youtube.com/watch?v=NrgcRvBJYBE*
>>>
>>> At one point we had a vehicle that stood still with a driver in it, and
>>> it did a 'snap' at nearly fixed intervals of several seconds. Player got
>>> out, it went away, player stepped in, it was back ( another reason for me to
>>> look at vphysics with the evil eye ).
>>>
>>> I'm hoping someone has hit this issue before, or can at least point me in
>>> the right direction, or, a method for debugging this. Since I'm not sure if
>>> it's related to vphysics linux internals, the linux build machine/settings,
>>> networking tolerances, ... I'm not sure where to start looking.
>>>
>>> Thanks for any feedback ( or sympathy :D ),
>>>
>>> Maarten
>>>
>>>
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>>>
>>>
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>>>
>>>
>>
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>>
>
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