[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] XEN[ARM] Master not working on Allwinner A20
On Mon, 2013-12-16 at 08:54 +0100, peter wrote: > Goodmorning building the latest master of XEN > d9639236: Ian Campbell, xen: arm: correct return value of > raw_copy_{to/from}_guest_*, raw_clear_guest > For the Allwinner A20 arm board XEN is giving me this error: > [...] > (XEN) **************************************** > (XEN) Panic on CPU 0: > (XEN) Failed to allocate contiguous memory for dom0 > (XEN) **************************************** > (XEN) > (XEN) Reboot in five seconds... > > When i follow the tutorial for the Allwinner board > (http://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions/Allwinner) > And checkout to: 720f45ad: Julien Grall, xen/evtchn: Fix build on ARM > XEN is working fine for me. 720f45ad..d9639236 is quite a big range but it does contains some 1:1 mapping changes. You are giving dom0 512M out of 1024M of RAM -- there shuold be that much free at this stage of the boot but I wonder if we are trying to allocate the memory aligned to 512M as well -- which equates to exactly two region and allocating any one page from one of them will cause us to fail to find 512M. Can you try a smaller dom0 allocation, e.g. 256M or 128M? To what extent did 720f45ad work for you? Did it actually mount its rootfs (which device? mmc?) and run guests without I/O errors? You could also try reverting 6c21cb36 although I can't immediately see what would be wrong with it. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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