[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Breakage in -unstable for Transmeta
On Fri, 24 Jun 2005, Keir Fraser wrote: > > On 24 Jun 2005, at 14:30, Carl Holtje ;021;vcsg6; wrote: > > >> Maybe the pagetable layout has changed. That write to CR0 enables > >> paging so if the tables are not in a format that Transmeta likes then > >> you would probably fail at that point. But I don't think the initial > >> layout differs from 2.0.6... > > > > I apologize for being so dense, but how do I go about investigating > > this further? > > No apology needed -- I really cannot see where a bug has been > introduced, but assuming your debug code works on one code version > (2.0.6) and not the other (latest unstable), clearly a bug does exist. > > The only good point of the situation is that there isn't actually that > much code in x86_32.S to be going wrong. It's feasible to check through > it line by line and compare with 2.0.6 as you go. How about you try > reducing the number of flags you set in %cr0, or double check that the > code that creates the initial pagetables really is identical between > 2.0.6 and unstable? Is the initial page table creation code in xen/include/asm/page.h? Thanks! Carl - -- "There are 10 types of people in the world: Those who understand binary and those that don't." _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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