[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] pvops: AHCI problems with SB600
On Wed, Sep 23, 2009 at 12:22:32PM -0700, Jeremy Fitzhardinge wrote: > On 09/23/09 05:06, Konrad Rzeszutek Wilk wrote: > > I've gotten my hands on machine with SB700 and it exhibits similar > > problems. The > > SB700 AHCI controller stops working if I have more than 4GB in the machine. > > > > You mean just with this kernel? I presume it works OK normally. http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1514 has the details. It looks that the calls to ioremap_nocache return an address that is not synchronized with the physical address. This is exhibited only when dom0 has more than 4GB, so if you do dom_mem=max:4GB the machine boots succesfully. If I boot the machine without Xen, with Linux seeing 8GB, 4GB, 6GB, or whatnot, it boots succesfully. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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