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Date: Wed, 1 Aug 2012 16:36:14 -0700 From: Yinghai Lu <yinghai@...nel.org> To: Lukas Hejtmanek <xhejtman@....muni.cz> Cc: Roland Dreier <roland@...nel.org>, linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org Subject: Re: mellanox mlx4_core and SR-IOV On Wed, Aug 1, 2012 at 3:08 PM, Lukas Hejtmanek <xhejtman@....muni.cz> wrote: > On Wed, Aug 01, 2012 at 02:32:17PM -0700, Yinghai Lu wrote: >> yes, i knew that. >> >> one patch in my for-pci-next should address that. >> >> http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=patch;h=fcce563f868e296f46a2eeaa88d6959bcee26a2d > > this is probably only half-way. well mlx driver loads but it complains again > on MMIO: > [ 3.564844] mlx4_core: Mellanox ConnectX core driver v1.1 (Dec, 2011) > [ 3.564845] mlx4_core: Initializing 0000:02:00.0 > [ 3.564967] mlx4_core 0000:02:00.0: Enabling sriov with:4 vfs > [ 3.565087] mlx4_core 0000:02:00.0: not enough MMIO resources for SR-IOV > [ 3.565402] mlx4_core 0000:02:00.0: Failed to enable sriov,continuing > without sriov enabled (err = -12). yes, that is, it will make BAR2 has fallback resource again. > > so it seems, that pic=nocsr is a must now. yes. Or you have bios provide SRIOV support or 64 bit resource in _CRS. Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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