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On Thu, 05 Mar 2015 16:27:25 -0800 |
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walt <w41ter@×××××.com> wrote: |
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> On 03/05/2015 02:25 PM, walt wrote: |
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> > Downgrading Virtualbox to 4.3.20-r1 fixes the problem on one ~amd64 |
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> > machine but, of course, not the other one <sigh>. |
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> |
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> For reasons I don't know, the gentoo devs split the "guest-additions" |
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> into two parts: they put the vboxvideo kernel module into the gentoo |
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> xf86-video-virtualbox package, and the vboxguest+vboxsf kernel modules |
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> into the virtualbox-guest-additions package. |
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> |
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> Anyway, starting with a vbox gentoo snapshot from Mar 3 (before the |
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> update to vbox-4.3.24) I upgraded only the virtualbox-guest-additions |
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> (not the xf86-video-virtualbox package) and found that everything |
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> still works normally. |
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> |
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> I then upgraded the xf86-video-virtualbox package and discovered that |
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> 3D video acceleration was broken, just as before. |
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> |
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> I then downgraded the xf86-video-virtualbox package to 4.3.20 (leaving |
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> the virtualbox-guest-additions at 4.3.24) and found the 3D |
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> acceleration working normally again. |
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> |
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> That clearly implicates the vboxvideo.ko kernel module as the cause of |
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> the breakage, I think. |
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> |
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> Opinions/comments are most welcome. |
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File a bug at b.g.o. |
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what you describe has much potential to trip up many people :-) |
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Alan |
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