[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Fwd: Debugging "Xen BUG at ... list.h" on ARM
On Mon, 2014-04-14 at 12:53 +0100, Thomas Leonard wrote: > On 14 April 2014 12:47, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote: > > On Mon, 2014-04-14 at 12:03 +0100, Thomas Leonard wrote: > >> On 14 April 2014 11:29, Julien Grall <julien.grall@xxxxxxxxxx> wrote: > >> > On 04/14/2014 11:10 AM, Thomas Leonard wrote: > >> >>> Has your guest enabled caching (SCTLR.C)? This is required by the > >> >>> hypercall ABI. See > >> >>> http://xenbits.xen.org/docs/unstable/hypercall/arm/include,public,arch-arm.h.html#incontents_arm_abi > >> >> > >> >> Here's my attempt to set up the translation table and enable caching: > >> >> > >> >> https://github.com/talex5/xen-paratest/tree/cache-problem > >> > > >> > Your page table looks wrong for me. Each page table should be write-back > >> > or write-through. > >> > >> Thanks - that fixed my test case! > > > > Excellent. > > > > Can you also just confirm for my peace of mind that the hypervisor crash > > was only reproducible with a locally modified hypervisor? > > The crash happens with the unmodified hypervisor too. I added the > extra asserts only because it was crashing. Here's an example: > > http://lists.xen.org/archives/html/xen-devel/2014-04/msg01702.html OK, thanks. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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