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Re: [Xen-devel] Possible regression: XEN 4.0.0 total_memory decrease
| To: | Alex Williams <awilliams@xxxxxxxx>, "Xen-devel@xxxxxxxxxxxxxxxxxxx" <Xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Possible regression: XEN 4.0.0 total_memory decrease |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Thu, 15 Apr 2010 17:33:35 +0100 |
| Cc: | |
| Delivery-date: | Thu, 15 Apr 2010 09:35:48 -0700 |
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| Thread-topic: | [Xen-devel] Possible regression: XEN 4.0.0 total_memory decrease |
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Are the hypervisor and dom0 kernel 64-bit or 32-bit? Xen prints a message "System RAM: xxx" early during boot. Do these differ significantly for you between 3.4.2 and 4.0.0? K. On 15/04/2010 16:54, "Alex Williams" <awilliams@xxxxxxxx> wrote: > Hello, > > I noticed a significant *decrease* (150MB) in "total_memory" on a host > build using XEN 4.0.0 with kernel 2.6.18. > > Here are the details: > > Server = 4096MB RAM > XEN 3.4.2 + kernel 2.6.18: xm info | grep total_memory = 4084 > XEN 4.0.0 + kernel 2.6.18: xm info | grep total_memory = 3946 > > The exact same kernel config file was used for both builds. I also made > sure there is absolutely no difference on the hosts (while the builds > are created on a different machine). > > This seems like a regression, unless someone can provide suggestions on > how to correct this? > > Thanks. > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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