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From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: Jason Gunthorpe
	<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Cc: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
	linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: libibverbs and versions
Date: Wed, 02 Jun 2010 12:40:04 -0500	[thread overview]
Message-ID: <4C069774.4050402@opengridcomputing.com> (raw)
In-Reply-To: <20100602173245.GG15969-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>


Jason Gunthorpe wrote:
> On Wed, Jun 02, 2010 at 10:50:56AM -0500, Steve Wise wrote:
>
>   
>> I have this library I'm writing that uses libibverbs.  Somehow it seems  
>> to be using the 1.0 version instead of the newer version (I'm guessing).  
>> When I call ibv_create_cq()  I get a seg fault and the stack looks like 
>> this:
>>     
>
> Make sure you link your library to libibverbs and do not rely on
> linking the app to libibverbs to resolve the symbols. Check with 
> ldd foo.so
>
> Jason
>   

This was the issue.  My library wasn't explicitly linking via 
-libverbs.  When I added that, it worked.

But how did it manage to link to the old version I wonder?


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  parent reply	other threads:[~2010-06-02 17:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-02 15:50 libibverbs and versions Steve Wise
     [not found] ` <4C067DE0.8020508-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-06-02 16:46   ` Roland Dreier
     [not found]     ` <adaeigptma8.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-06-02 17:39       ` Steve Wise
2010-06-02 17:32   ` Jason Gunthorpe
     [not found]     ` <20100602173245.GG15969-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-06-02 17:40       ` Steve Wise [this message]
     [not found]         ` <4C069774.4050402-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-06-02 17:59           ` Jason Gunthorpe

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