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[Xen-devel] Debian kernel doesn't support DomU bit width != Dom0 bit wid
| To: | "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Debian kernel doesn't support DomU bit width != Dom0 bit width for PV drivers? |
| From: | "James Harper" <james.harper@xxxxxxxxxxxxxxxx> |
| Date: | Sat, 2 Feb 2008 09:25:27 +1100 |
| Delivery-date: | Fri, 01 Feb 2008 14:25:55 -0800 |
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| Thread-index: | AchlIViE0Y40vCROQyiVnynUfjDJZA== |
| Thread-topic: | Debian kernel doesn't support DomU bit width != Dom0 bit width for PV drivers? |
In trying to figure out why my Xen Windows PV drivers don't work properly when the frontend and backend are different bit width modes (eg 32, 64), I figured out that the same is true for Linux domains. I tested a 32 bit DomU with a 64 bit Dom0, and get a crash almost as soon as the blkfront driver is started, and a "(XEN) grant_table.c:264:d0 Bad flags (0) or dom (0). (expected dom 0)" message logged in 'xm dmesg'. My suspicion then is that the Debian kernel's blkback driver doesn't pay attention to the 'protocol' set by the frontend, even though blkfront driver included in the Debian kernel does actually set it. Can anyone confirm this behaviour? Thanks James _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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