Hi Rene, as a workaround, You can disable AMD IOMMU support (AMD_IOMMU) and Support for DMA Remapping Devices (EXPERIMENTAL) (DMAR) in Your host kernel. I'll post patch to disable KVM IOMMU support for kernels <2.6.30 soon. BR nik On Wed, May 20, 2009 at 07:48:59PM +0200, René Pfeiffer wrote: > Hello! > > I just tried to compile kvm-86 on two test machines and I get the > following error: > > [...] > CC [M] /usr/src/build/kvm-86/kvm/kernel/x86/iommu.o > /usr/src/build/kvm-86/kvm/kernel/x86/iommu.c: In function ‘kvm_iommu_map_pages’: > /usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:90: error: ‘IOMMU_CACHE’ undeclared (first use in this function) > /usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:90: error: (Each undeclared identifier is reported only once > /usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:90: error: for each function it appears in.) > /usr/src/build/kvm-86/kvm/kernel/x86/iommu.c: In function ‘kvm_assign_device’: > /usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:155: error: implicit declaration of function ‘iommu_domain_has_cap’ > /usr/src/build/kvm-86/kvm/kernel/x86/iommu.c:156: error: ‘IOMMU_CAP_CACHE_COHERENCY’ undeclared (first use in this function) > make[4]: *** [/usr/src/build/kvm-86/kvm/kernel/x86/iommu.o] Error 1 > make[3]: *** [/usr/src/build/kvm-86/kvm/kernel/x86] Error 2 > make[2]: *** [_module_/usr/src/build/kvm-86/kvm/kernel] Error 2 > make[1]: *** [all] Error 2 > make: *** [kvm-kmod] Error 2 > > Both machines run Debian Lenny with a custom kernel (2.6.29.1 and > 2.6.29.3). One machine is Intel-based (Core2Duo), one is AMD-based. Both > compiled earlier versions of kvm just fine. configure was run without > options. > > Best, > René. > > -- > )\._.,--....,'``. fL Let GNU/Linux work for you while you take a nap. > /, _.. \ _\ (`._ ,. R. Pfeiffer <lynx at luchs.at> + http://web.luchs.at/ > `._.-(,_..'--(,_..'`-.;.' - System administration + Consulting + Teaching - > Got mail delivery problems? http://web.luchs.at/information/blockedmail.php -- ------------------------------------- Nikola CIPRICH LinuxBox.cz, s.r.o. 28. rijna 168, 709 01 Ostrava tel.: +420 596 603 142 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@xxxxxxxxxxx ------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
