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xen-devel
Re: [Xen-ia64-devel] RE: [Xen-devel] Help? Red Hat fails, Suse/Debian bo
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To: |
Ewan Mellor <ewan@xxxxxxxxxxxxx> |
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Subject: |
Re: [Xen-ia64-devel] RE: [Xen-devel] Help? Red Hat fails, Suse/Debian both work fine |
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From: |
Alex Williamson <alex.williamson@xxxxxx> |
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Date: |
Thu, 02 Mar 2006 11:56:57 -0700 |
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Cc: |
"Tian, Kevin" <kevin.tian@xxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>, "Magenheimer, Dan \(HP Labs Fort Collins\)" <dan.magenheimer@xxxxxx>, "Xu, Anthony" <anthony.xu@xxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx |
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Thu, 02 Mar 2006 18:57:34 +0000 |
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<571ACEFD467F7749BC50E0A98C17CDD8094E78A4@pdsmsx403> <2CC63E0C90481Ctakebe_akio@xxxxxxxxxxxxxx> <1141320240.27443.30.camel@localhost> <20060302184124.GJ6192@xxxxxxxxxxxxxxxxxxxxxx> |
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On Thu, 2006-03-02 at 18:41 +0000, Ewan Mellor wrote:
>
> These are requests from the xenbus driver to create watches to monitor for new
> devices being created. That presumably means that either your xenbus driver
> is fubar'd, or the mmap'd page is bust, as discussed earlier.
>
> The requests that you are seeing are from xenconsoled and xend, each of which
> is using the unix domain socket to talk to the store, not the shared page.
If I dump the xsd_kva page using mmap from another app, there are a
few entries made:
0000: 01 00 00 00 00 00 00 00 00 00 00 00 07 00 00 00
0010: 64 65 76 69 63 65 00 00 00 00 00 00 00 00 00 00
0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...
0400: 10 00 00 00 00 00 00 00 00 00 00 00 07 00 00 00
0410: 45 4e 4f 45 4e 54 00 00 00 00 00 00 00 00 00 00
0420: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...
0800: 17 00 00 00 17 00 00 00 00 00 00 00 17 00 00 00
As you indicate, lots of output in the xenstored-trace file, but hardly
anything here. We are getting some transactions in there though, so
maybe we're dealing with a memory ordering issue. Thanks,
Alex
--
Alex Williamson HP Linux & Open Source Lab
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