linux-kernel - Re: mellanox mlx4

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 1 Aug 2012 14:32:17 -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 1:56 PM, Lukas Hejtmanek <xhejtman@....muni.cz> wrote:
> On Wed, Aug 01, 2012 at 11:29:02AM -0700, Yinghai Lu wrote:
>> iov bar is not assigned by BIOS, and kernel can not find range for it too.
>>
>> Lukas, can you post whole boot log with PCI_DEBUG enabled? That will
>> tell exact why kernel does not assign them.
>>
>> Recent kernel from 3.4... should enable realloc when SRIOV bar is not assigned.
>
> sorry for confusing, PCI_DEBUG does not break mlx driver, it is reallocation
> code that results:
> [    3.555008] mlx4_core 0000:02:00.0: Missing UAR, aborting.

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

Thanks

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/