On 14/08/15 15:49, Shannon Zhao wrote: >> Ok, so it's likely a memory corruption. You need to check the bound you >> ara using when copying the data to the guest or from the ACPI in >> general. Or maybe you just didn't allocate enough space. >> > > But it fails at the xzalloc_bytes itself. not at copy function.
Because the previous copy may have overwritten the metadata of the memory allocator... If those metadata are corrupted, xalloc_bytes we act weirdly such as crashing Xen. Regards, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel