[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] About arm32 address translation
On Oct 16, 2013, at 6:24 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote: > On Wed, 2013-10-16 at 18:02 +0800, Chen Baozi wrote: >> On Oct 16, 2013, at 5:25 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote: >> >>> On Wed, 2013-10-16 at 17:20 +0800, Chen Baozi wrote: >>>> Hi Ian, >>>> >>>> I am trying to add supporting dumping 32-bit guest on arm32 to see >>>> what happened in my dom0 kernel when booting. It seems >>>> gvirt_to_maddr() is not workable under arm32. >>> >>> What makes you say that, it should work, or else it is buggy and we've >>> not noticed, but it is used in copy to/from user routines so I doubt >>> that. >> >> Ok, I'll look into it. The output shows me "Failed to convert stack to >> physical address". In this case, it must be gvirt_to_maddr to return >> -EFAULT. > > That suggests that the guest's SP doesn't have a mapping in the guest's > PTs. What's the full trace? I may have missed lots of work when trying to enable this, for this is my first time to work on tracing related work, ;-) Cheers, Baozi _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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