From: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Jack Wang <xjtuwjp-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Jack Morgenstein
<jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
Moni Shoua <monis-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: Mlx4: BUG: unable to handle kernel at ffffffffa02be210
Date: Thu, 9 Jul 2015 16:57:31 +0300 [thread overview]
Message-ID: <559E7DCB.5040000@mellanox.com> (raw)
In-Reply-To: <CAD+HZHVukRdGnfTWHin8O=hUkuOq0SS_aPqxbqjKCmk--OHn=w@mail.gmail.com>
On 7/9/2015 4:35 PM, Jack Wang wrote:
> We have other kernel modules together also the autotest
> infrastructure. It's not that easy to install a 3.18.14 kernel.
you said you are running on 3.18.14 and just replaced their stock RDMA
stack with MLNX OFED
>
> I look into the code a little bit. I think the bug may relate
> radix_tree usage in mlx4_cq_free , OFED code in radix_tree_delete
> before synchronize_irq, but mainline code call radix_tree_delete after
> synchronize_irq, does this matter?
possibly yes, as in life location && timings matter
> I'm building a new kernel with
> this small change:
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prev parent reply other threads:[~2015-07-09 13:57 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 9:42 Mlx4: BUG: unable to handle kernel at ffffffffa02be210 Jack Wang
[not found] ` <CAD+HZHXi2bB59eWLYaGiXj5-b5w3V1NhwUJbSjx5NfdmhEaRhA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-08 12:19 ` Or Gerlitz
[not found] ` <559D1562.2070309-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-07-08 12:47 ` Jack Wang
[not found] ` <CAD+HZHVCMa97zEQ1SB=JXCKHOGgSO93BPyLha2PDrOOTsHTUCw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-08 13:49 ` Or Gerlitz
[not found] ` <559D2A80.4040909-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-07-08 14:07 ` Jack Wang
[not found] ` <CAD+HZHWBn-KZCsskSGPKLtntj-LjDRodda9jngr+qcKSxLhkGQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-08 18:22 ` Or Gerlitz
2015-07-09 11:14 ` Jack Wang
[not found] ` <CAD+HZHXcrejwu=dAhmL7vZ=tkAPswm2LiCgwK42kEe5XDvBvhQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-09 11:21 ` Or Gerlitz
[not found] ` <559E592D.5000201-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-07-09 13:35 ` Jack Wang
2015-07-09 13:57 ` Or Gerlitz [this message]
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