Re: [Xen-devel] [PATCH] ioemu: fix INTx disable bit in MSI-INTx translation

[Yuji Shimada <shimada-yxb@xxxxxxxxxxxxxxx>]

On Wed, 15 Apr 2009 21:40:52 +0800
Qing He <qing.he@xxxxxxxxx> wrote:

> Fix the bug introduced in commit 8c771eb6: when msi-intx
> translation is enabled, int disable bit in PCI_COMMAND is set.
> This approach has two issues:
>     1. for some (buggy) devices, set INTx bit will also disable
>        MSI so that MSI doesn't work any more.
>     2. it's never re-enabled when msi translation is turned off.
>        If the guest uses INTx, it can't receive any interrupts
>        from then.
> 
> This patch leaves INTx disable bit unset if MSI-INTx translation
> is used.

I have sent the patch to fix the issue that you pointed out.

The following patch is.
http://lists.xensource.com/archives/html/xen-devel/2009-04/msg00300.html

The patch has already applied in commit 
290b6d18585c887ff2cfa30b239aa2fecfcd0308.

Your changeset seem to be old.
Could you test the latest qemu-xen?

Thanks,
--
Yuji Shimada


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