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Re: [Xen-ia64-devel] Regression: [IA64] Saner dom0 memory and cpu defaul

To: Horms <horms@xxxxxxxxxxxx>
Subject: Re: [Xen-ia64-devel] Regression: [IA64] Saner dom0 memory and cpu defaults
From: Alex Williamson <alex.williamson@xxxxxx>
Date: Tue, 28 Aug 2007 06:43:19 -0600
Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx, Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
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On Tue, 2007-08-28 at 19:28 +0900, Horms wrote:
> xen-unstable.hg's 15693:87a72ba32301ceb894e065d760953aa98730c0cd,
> "[IA64] Saner dom0 memory and cpu defaults" seems to cause a regression
> on my HP RX2620 with 2Gb of memory.
> 
> I can get around this pretty easily by specifying dom0_mem on the
> command line. Emirically I have found that values of 1021M or less
> boot, while values of 1022M or more fail. This seems substantially
> smaller than the 1926M that xen calculates could be used, though that
> figure does seem to correlate with the 2G of physical memory that the
> machine has.
> 
> Let me know what I should poke to investigate further.

   Are you booting a CONFIG_IA64_DIG kernel?  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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