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