> Here is an issue we have:
>
> struct ibv_context {
> struct ibv_device *device;
> struct ibv_context_ops ops;
> int cmd_fd;
> int async_fd;
> int num_comp_vectors;
> pthread_mutex_t mutex;
> void *abi_compat;
> };
>
> The binary is compiled with OFED 1.2 header files, it tries to set async_fd
> to non-blocking, I get error:
> Bad file descriptor. If I compile the binary with OFED-1.3-beta header
> files (with XRC changes), it works fine.
>
> Is this the expected behavior, or there will be a fix ?
Unfortunately the XRC patches were put into OFED 1.3 before they went
into the upstream libibverbs tree, so I have not reviewed them in
detail. If XRC support requires an ABI change, then we'll have to
create a new ABI and provide versioned symbols for backwards compatibility.
However your problem seems quite strange: I don't see any change
to struct ibv_context caused by the XRC patches. So I don't
understand exactly what is causing the problem you see. Can you debug
further to see which structure layout change is the real issue?
- R.
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