linux-kernel - Re: kernel BUG at drivers/iommu/intel-iommu.c:1767 on F16 3.1.1-2.fc16.x86

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]

Message-ID: <CALfB72BqSEKwGdNUnenMjEujKjObhq12jFjmu6VukuA1AtYHrQ@mail.gmail.com>
Date:	Fri, 20 Jan 2012 21:02:17 +0200
From:	Albert Strasheim <fullung@...il.com>
To:	Roland Dreier <roland@...estorage.com>
Cc:	linux-rdma@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: kernel BUG at drivers/iommu/intel-iommu.c:1767 on F16 3.1.1-2.fc16.x86_64

Hello

On Fri, Jan 20, 2012 at 10:23 AM, Roland Dreier <roland@...estorage.com> wrote:
> On Thu, Jan 19, 2012 at 12:57 AM, Albert Strasheim <fullung@...il.com> wrote:
>> Just checking up on this issue. Is there any further testing or
>> information we can provide to help make a fix happen?
> I'm not likely to be much help on VT-d issues, but maybe it
> would be useful to dump all the values in the BUG_ON if its
> going to trigger, ie just before

Just retested with 3.2.1-1.fc16.x86_64 and the bug seems to be gone.

I confirmed that my test program triggers the bug on 3.1.1-1.fc16.x86_64.

It seems a bunch of IOMMU fixes went in on 9 and 10 January, so it
seems to have fixed this problem in 3.2.

Thanks!

Regards

Albert
--
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/