[Pvfs2-developers] protocol fomat mismatch causes server segfault

[Sam Lang]

On Apr 24, 2007, at 1:41 PM, Kyle Schochenmaier wrote:

> Is there a reason why this is a 'fatal' error?  I forgot to add the  
> new install to my path, and was therefore using an old version of  
> pvfs2-ls, which also caused my MD server to segfault.

Hi Kyle,

Sorry for the delayed response.  Do you know where the segfault is in  
the server?  A backtrace would be helpful.

>
> I think we could do a workaround on this to make it still error,  
> but not segfault.
>
> The text is also goofy on this last message..
> (if someone wants to fix it:  line 203: src/proto/PINT-reqproto- 
> encode.c, it has an extra \n in there)

Ok.  Committed a fix for this.

-sam
>
> [D 12:17:27.501391] PVFS2 Server version  
> 2.7.0pre1-2007-04-21-220052 starting.
> [E 12:33:58.987667] Error: poorly formatted protocol message received.
> [E 12:33:58.987707]    Protocol version mismatch: received major  
> version 3 when
> expecting 4.
> [E 12:33:58.987716]    Please verify your PVFS2 installation and  
> make sure that
> the version is
>   consistent.
>
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