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From: Andreas Hartmann <andihartmann@freenet.de>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
	linux-pci <linux-pci@vger.kernel.org>
Subject: Re: Hard and silent lock up since linux 3.14 with PCIe pass through (vfio)
Date: Fri, 10 Oct 2014 16:49:25 +0200
Message-ID: <5437F1F5.3010706@maya.org> (raw)
In-Reply-To: <CAErSpo5kkk4itqqmCMU=08-XMcDknur8VY++F3A2LajdvTptOA@mail.gmail.com>

Bjorn Helgaas schrieb:
> On Fri, Oct 10, 2014 at 3:39 AM, Andreas Hartmann
> <andihartmann@freenet.de> wrote:
>> shortly: I retested w/ qemu 2.1.0 and Linux 3.17.0 - no change in behaviour.
>>
>> Alex Williamson wrote:
>>> On Tue, 2014-09-23 at 21:03 +0200, Andreas Hartmann wrote:
>>>> Hello!
>>>>
>>>> Since long time now, I'm using w/o any problem PCIe pass through with a
>>>> Gigabyte GA-990XA-UD3/GA-990XA-UD3 mainboard (AMD 990X chipset) and
>>>> enabled IOMMU with vfio-pci.
>>>>
>>>> The last kernel working w/o any problem is kernel 3.13.7 (I didn't use
>>>> .8 and .9, but I do not think they would have been problematic).
>>>>
>>>> Since 3.14.19 (I didn't test any 3.14 kernel before) I'm encountering a
>>>> hard and silent lock up of the complete machine when starting the VM
>>>> with the PCIe card passed through.
> 
> Since we're not really making any progress on this yet, would it be
> possible to bisect it?  We already know that 3.13.7 works and 3.14.19
> fails, and "git bisect start v3.14 v3.13" says it's about 13 steps.  I
> know that's still quite a bit of work, but at least it sounds like the
> problem is easy to reproduce.

Which git repository should I use best?

Is it possible to do one checkout and work afterwards always on base of
this? Unfortunately my internet connection is very slow :-(.


Thanks for your hint!

Regards,
Andreas

  reply index

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-23 19:03 Andreas Hartmann
2014-09-23 20:07 ` Alex Williamson
2014-09-24 14:54   ` Andreas Hartmann
2014-09-24 17:16     ` Andreas Hartmann
2014-10-10  9:39   ` Andreas Hartmann
2014-10-10 14:37     ` Bjorn Helgaas
2014-10-10 14:49       ` Andreas Hartmann [this message]
2014-10-10 15:55         ` Bjorn Helgaas
2014-10-10 16:09           ` Andreas Hartmann
2014-10-10 16:41             ` Bjorn Helgaas
2014-10-10 22:32               ` Andreas Hartmann
2014-10-10 22:54                 ` Bjorn Helgaas
2014-10-11  6:20                   ` Andreas Hartmann
2014-10-15  8:04                     ` Alex Williamson
2014-10-17  1:04                       ` Andreas Hartmann
2014-10-21 21:06                         ` Alex Williamson
2014-10-21 21:32                           ` Alex Williamson
2014-10-22 16:22                             ` Andreas Hartmann
2014-10-22 20:36                               ` Alex Williamson
2014-10-23 16:00                                 ` Andreas Hartmann
2014-10-23 16:33                                   ` Alex Williamson
2014-10-23 17:12                                     ` Andreas Hartmann
2014-10-23 17:33                                     ` Andreas Hartmann
2014-10-23 19:37                                       ` Alex Williamson
2014-10-24 14:21                                         ` Andreas Hartmann
2014-10-25  6:03                                         ` Andreas Hartmann
2014-10-28 21:51                                           ` Alex Williamson
2014-10-29 16:47                                             ` Andreas Hartmann
2014-10-29 17:44                                               ` Alex Williamson
2014-10-29 17:57                                                 ` Andreas Hartmann
2014-10-29 18:16                                                   ` Alex Williamson
2014-10-29 19:43                                                     ` Andreas Hartmann
2014-10-29 20:50                                                       ` Alex Williamson
2014-10-29 21:35                                                         ` Andreas Hartmann
2014-10-30 16:35                                                         ` Andreas Hartmann
2014-10-30 16:58                                                           ` Alex Williamson
2014-10-30 19:09                                                             ` Andreas Hartmann
2014-10-30 19:45                                                               ` Alex Williamson
2014-10-30 20:21                                                                 ` Andreas Hartmann
2014-10-22 15:34                           ` Andreas Hartmann
2014-10-22 16:02                             ` Alex Williamson
2014-10-22 16:20                               ` Andreas Hartmann

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