On 08/06/2013 19:42, Liu Ginhann wrote:
does this works if you use get_free_pages in the kernel instead of
kmem_cache?
I tried get_free_pages, kmalloc, kmem_cache_alloc. None of them work, it failed
with the same error - EFAULT bad pointer.
After code walk through, I believe it failed in
Hank
-Original Message-
From: linux-rdma-ow...@vger.kernel.org [mailto:linux-rdma-
ow...@vger.kernel.org] On Behalf Of Or Gerlitz
Sent: Monday, May 27, 2013 12:53 AM
To: Liu Ginhann
Cc: Or Gerlitz; linux-rdma@vger.kernel.org
Subject: Re: ibv_reg_mr call failed
On Sun, May 26, 2013
On Sun, May 26, 2013 at 4:52 PM, Liu Ginhann
ginhann@grassvalley.com wrote:
Will dig into it.Thanks.
does this works if you use get_free_pages in the kernel instead of kmem_cache?
Or.
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On 24/05/2013 20:43, Liu Ginhann wrote:
Here is version information of our test chassis,
what driver / card are you using?
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Mellanox connectx-3 mlx4.
On May 25, 2013, at 11:59 PM, Or Gerlitz ogerl...@mellanox.com wrote:
On 24/05/2013 20:43, Liu Ginhann wrote:
Here is version information of our test chassis,
what driver / card are you using?
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On 24/05/2013 20:43, Liu Ginhann wrote:
Ibv_reg_mr() call return EFAULT - bad address
Basically, AFAIK, the IB stack should support what you are trying to do,
If you tell from which code e.g in libibverbs/libmlx4 or the kernel this
value is returned, it might be helpful for further assisting
Will dig into it.Thanks.
On May 26, 2013, at 6:36 AM, Or Gerlitz ogerl...@mellanox.com wrote:
On 24/05/2013 20:43, Liu Ginhann wrote:
Ibv_reg_mr() call return EFAULT - bad address
Basically, AFAIK, the IB stack should support what you are trying to do, If
you tell from which code e.g in
We are running into an unexpected problem while registering memory for IB
operation. Ibv_reg_mr() call return EFAULT - bad address.
The pointer passed into ibv_reg_mr call is mmap back from memory allocated in
our kernel driver. Our test code is able to use this mapped back virtual
address to
