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Re: [Xen-devel] Adding another GPE section to an HVM, causes the origin
| To: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Adding another GPE section to an HVM, causes the original GPE to stop functioning |
| From: | Tom Rotenberg <tom.rotenberg@xxxxxxxxx> |
| Date: | Sun, 18 Oct 2009 20:35:50 +0200 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Sun, 18 Oct 2009 11:36:16 -0700 |
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| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
Keir, You are right! I just set gpe1_base, and it's working like a charm! Thanks a lot! Tom On Sun, Oct 18, 2009 at 6:33 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote: > On 18/10/2009 14:13, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote: > >> Since i have inserted this new GPE block, the outcome is, that my new >> GPE block is responding OK, however, the old GPE block (the regular >> Xen gpe0 block), isn't responding anymore - thus i can't >> hot-plugqhot-unplug PT devices. >> >> I have analyzed the qemu logs a little bit, and it looks like, since >> the addition of the new GPE block, Windows for some reason, only >> enables the new gpe block (gpe1 block), and disables the old gpe block >> (regular Xen gpe0 block). >> >> Can someone please assist me with this issue? > > Since you do not set Fadt.gpe1_base, gpe1's events are precisely overlapping > with gpe0's. This is actually a bug, and Windows is interpreting the broken > tables as best it can, by assuming that GPE1 overrides GPE0. Probably you > mean to set Fadt.gpe1_base=(ACPI_GPE0_LEN/2)*8 or something like that. > > -- Keir > > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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