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On 04/30/2012 02:33 PM, Michael Mol wrote: |
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> Neat. Random guess, but it could be a bug in Bulldozer's memory |
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> controller or IOMMU. Try disabling IOMMU support in your kernel? |
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> |
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> On Apr 29, 2012 3:29 PM, "Markos Chandras" <hwoarang@g.o |
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> <mailto:hwoarang@g.o>> wrote: |
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> |
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> On 04/28/2012 01:24 AM, Matthew Marlowe wrote: |
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>> On Fri, Apr 27, 2012 at 3:54 PM, Markos Chandras |
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> <hwoarang@g.o <mailto:hwoarang@g.o>> wrote: |
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>>> On 04/27/2012 11:45 PM, Nikos Chantziaras wrote: |
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>>>> On 27/04/12 22:35, Markos Chandras wrote: |
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>>>>> I replaced my Phenom II cpu with a new 6-core AMD |
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>>>>> bulldozer. |
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> However, I |
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>>>>> noticed that all of my Gentoo virtual machines throw |
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>>>>> (compiler) segmentation faults when building or running any |
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>>>>> application. |
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>>>> |
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>> |
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>> I'm not familiar with virtualbox, but I've seen similar issues |
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>> occur with vmware and the solution was to at least temporarily |
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>> mask whatever new cpu flags the new hypervisor was passing to the |
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>> guest. In vmware, one could limit the cpu flags to maintain |
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>> compatibility with various cpu releases which was especially |
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>> helpful in clusters.... Yes, your gentoo vms should have been |
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>> fine ..but at least until you track down the issue, see if |
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>> virtualbox has a similar feature? |
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>> |
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> Interestingly this seems to be caused when using my wireless card |
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> to bridge the virtualbox interfaces onto. I can't reproduce (yet) |
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> any segfaults when I use the onboard ethernet card. I have the |
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> following wireless card (supported by the rtl8180 kernel module) |
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> |
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> 04:06.0 Ethernet controller: Belkin F5D7000 v7000 Wireless G |
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> Desktop Card [Realtek RTL8185] (rev 20) |
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> |
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> -- Regards, Markos Chandras / Gentoo Linux Developer / Key ID: |
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> B4AFF2C2 |
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> |
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AMD IOMMU (Device Drivers -> Hardware IOMMU ) makes no difference. I |
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will have to move the discussion to virtualbox forums/ML as this seems |
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a driver or virtualbox problem. Bridge networking on that wireless |
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card work flawlessly when using Windows 7 as host. |
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|
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-- |
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Regards, |
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Markos Chandras / Gentoo Linux Developer / Key ID: B4AFF2C2 |
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