search for: 684661

Package: xen-hypervisor-4.1-amd64 Version: 4.1.3~rc1+hg-20120614.a9c0a89c08f2-5 Severity: important I updated from xen-hypervisor-4.0-amd64 to xen-hypervisor-4.1-amd64 and the system did not boot anymore (Xen panic). A downgrade made the system work again. I cannot paste the boot error messages but the main message was: Xen BUG at pci_amd_iommu.c:33 The bug appears for Linux images 3.2.0.2

Package: xen-hypervisor-4.1-amd64 Version: 4.1.3~rc1+hg-20120614.a9c0a89c08f2-5 Severity: important I updated from xen-hypervisor-4.0-amd64 to xen-hypervisor-4.1-amd64 and the system did not boot anymore (Xen panic). A downgrade made the system work again. I cannot paste the boot error messages but the main message was: Xen BUG at pci_amd_iommu.c:33 The bug appears for Linux images 3.2.0.2

Hi Wei, A Debian user has hit this message and reported it in http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684661 I think it is the BUG_ON in: struct amd_iommu *find_iommu_for_device(int bdf) { BUG_ON ( bdf >= ivrs_bdf_entries ); return ivrs_mappings[bdf].iommu; } It looks like ivrs_bdf_entries comes from ACPI. Unfortunately the bug report is a bit vague abo...

Hi Wei, A Debian user has hit this message and reported it in http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684661 I think it is the BUG_ON in: struct amd_iommu *find_iommu_for_device(int bdf) { BUG_ON ( bdf >= ivrs_bdf_entries ); return ivrs_mappings[bdf].iommu; } It looks like ivrs_bdf_entries comes from ACPI. Unfortunately the bug report is a bit vague abo...

also get this message machine locks and have to reboot prior to putting xen had been running squeeze with no problems. installed wheezy from new and got error. upgraded to sid and error still occurs has 4GB so not the memory as mentioned by another on a AMD opteron 275 hp proliant dl385 xen 4.1 to do more checking

Hi, I've also recently hit this bug und it should be fixed by [1], also see the original analysis at [2]. Passing "allow_unsafe" as a Hypervisor option circumvents the crash. A serial boot log is attached. [1]: http://lists.xen.org/archives/html/xen-devel/2012-10/msg01856.html [2]: http://lists.xen.org/archives/html/xen-devel/2012-10/msg01396.html Regards, Christian