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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