Re: [Xen-users] GPL PV drivers for Windows 0.9.11-pre12

[Joost van den Broek <jvandenbroek@xxxxxxxxx>]

James Harper schreef:
> If you could please re-test with -pre13 and Large Send enabled again it
> would be useful. If that goes at full speed then I don't really need the
> info from xenstore-ls, but if it goes slowly again I would appreciate
> the xenstore-ls info.
>
> It may be that your netback is telling the drivers that large send is
> unsupported but that I'm activating it anyway, which may well result in
> a slowdown.
>
> Thanks
>
> James
>   
Ah well, I tested both Large Send enabled and disabled on pre13, but 
didn't disable it on pre12. So the answer would be that there is indeed 
a problem with the Large Send Offload on my system. Iirc I'm using the 
same system as yours, a ML110 with Broadcom NIC on-board. Based on your 
test results, this one should work well.
Strange thing is when I do a xenstore-ls, I get this message back:
/usr/sbin/xenstore-ls: line 6: /usr/lib/xen-3.2-1/bin/xenstore-ls: No 
such file or directory
/usr/sbin/xenstore-ls: line 6: exec: /usr/lib/xen-3.2-1/bin/xenstore-ls: 
cannot execute: No such file or directory
Looking in /usr/lib/xen-3.2-1/bin, I find many files, including seven 
beginning with xenstore-... But no xenstore-ls. How could that be? I'm 
using Xen 3.2.1 on Debian Etch 4.0 with kernel  2.6.18-6-xen-686. This 
is the Etch Xen stock kernel, maybe it needs to be upgraded? What kernel 
are you running?
I just tried 'ethtool -k peth0', which says the following: "Cannot get 
device udp large send offload settings: Operation not supported". So I 
suppose that confirms your assumption about the unsupported large send 
offload, but yours, thus the same card, supports it?
Joost

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