[Xen-devel] RE: Maturity of Xen PV drivers?

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> Hi James,
>   Do you know any company has used Xen PV drivers for Windows in their
> production?  Or Is there any limitation for those drivers (list of
know
> issues etc.)
> 

I haven't had any issues in quite a while (12 months, various versions),
and I use them in production (the machines are well backed up of course.
In fact the only problems I have had under windows was when _not_ using
PV drivers - a Xen/Dom0 crash left one of my windows domains corrupt
because of the way Dom0 caches disk writes in the qemu drivers.

XP appears to have some network hang issues under really high load,
which I'm just about to release a fix for (and the TPR patch which
allows XP to actually achieve the high load in the first place).

I still get reports of issues with network task offload (checksum and
large send), which I think is more a Linux issue than one with my
drivers, but those options are easy enough to turn off. I think it is
more an issue with the Linux hardware device driver itself, and I don't
have any hardware for which the problems have been reported...

James

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