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[Xen-devel] RE: Stability report GPLPV 0.11.0.308



> 
>  >> With GPLPV 0.11.0.308 it worked perfectly and with very good
performance
>  >> for over 9 days but then when I wanted to monitor the status, I
was no
>  >> longer able to connect via remote desktop. When examining the file
>  >> system of the HVMs I found that somehow even the prime95 processes
> did stop.
>  >> Any ideas? Could c/s 948 make any difference? Network worked
perfectly
>  >> for 9 days, so I ask myself if the count of c/s 948 is used at
all?
>  >There is some combination that I can't reproduce that seems to cause
a
>  >problem when that count isn't passed in correctly. So it is a bug,
but
>  >I'm not sure if it causes the problems you are seeing.
> 
> What exactly is the problem you encountered?
> 
>  >I can give you a link to a build with that fix applied if you want
to
>  >test further.
> 
> Thanks. I have plans to test the 0.11.0.312 version. I have a complete
> build system here and a kernel-mode enabled signing certificate so I
can
> use that for my tests.
> 

I actually looked back through the changes and there is still a fix to
come - basically xennet allocates new buffers when it needs them, but
never frees them again so if there is a really big burst of traffic it
could end up taking all the available memory. That could cause the
problem you are seeing. I'm a bit busy with some other things at the
moment but I hope to have a fix by the end of the week.

James


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