Re: ib_srpt and mellanox mthca device

[Alexey Shvetsov <alexxy-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>]

Hi Roland!

Seems like this card doesnt support srq
store linux # ibv_srq_pingpong
Couldn't get local LID

PS on nodes with mlx4 devices ibv_srq_pingpong works

also with yout change it doesnt report anything new
Loading kernel module for a network device with CAP_SYS_MODULE 
(deprecated).  Use CAP_NET_ADMIN and alias netdev-ib0 instead.
ib_mthca: Mellanox InfiniBand HCA driver v1.0 (April 4, 2008)
ib_mthca: Initializing 0000:4b:00.0
ib_mthca 0000:4b:00.0: irq 49 for MSI/MSI-X
ib_mthca 0000:4b:00.0: irq 50 for MSI/MSI-X
ib_mthca 0000:4b:00.0: irq 51 for MSI/MSI-X
srpt_add_one(mthca0) failed.

Roland Dreier писал 2012-04-12 04:24:
>> I tryed this patch but it doesnt work i still get
>> ib_mthca: Initializing 0000:4b:00.0
>> ib_mthca 0000:4b:00.0: irq 49 for MSI/MSI-X
>> ib_mthca 0000:4b:00.0: irq 50 for MSI/MSI-X
>> ib_mthca 0000:4b:00.0: irq 51 for MSI/MSI-X
>> srpt_add_one(mthca0) failed.
>
> Hmm, in srpt_add_one(), where it says
>
> 	sdev->srq = ib_create_srq(sdev->pd, &srq_attr);
> 	if (IS_ERR(sdev->srq))
> 		goto err_mr;
>
> can you change that to
>
> 	sdev->srq = ib_create_srq(sdev->pd, &srq_attr);
> 	if (IS_ERR(sdev->srq)) {
>                 pr_err("ib_create_srq failed: %d\n", 
> PTR_ERR(sdev->srq));
> 		goto err_mr;
>         }
>
> and report what that prints?
>
> Also, does the userspace test program ibv_srq_pingpong from 
> libibverbs
> work on this system?
>
> Thanks,
>  - R.

-- 
Best Regards,
Alexey 'Alexxy' Shvetsov
Petersburg Nuclear Physics Institute, Russia
Department of Molecular and Radiation Biophysics
Gentoo Team Ru
Gentoo Linux Dev
mailto:alexxyum-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
mailto:alexxy-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org
mailto:alexxy-heEE5zn7HfaV8fSEjHp0FA@public.gmane.org
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