Re: Segfault in mlx5 driver on infiniband after application fork

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On Mon, Feb 12, 2024 at 11:04:36AM -0500, Kevan Rehm wrote:

> Those routines call ibv_dontfork_range on the page after it’s been
> allocated via posix_memalign().  _add_page() then adds the new page
> to the mlx5_context field dbr_available_pages.

Oh, if this is your trouble then upgrade your kernel. This part is
fixed on kernels that have working fork support.

Jason




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