On 2013.07.18 at 01:25 +0800, Xiao Guangrong wrote: > Hi Markus, > > Thanks for your report! I am downloading the ubuntu iso and will try to reproducible it. > > Could you please enable these tracepoints: > kvmmmu/check_mmio_spte > kvmmmu/handle_mmio_page_fault > kvmmmu/kvm_mmu_invalidate_zap_all_pages > kvmmmu/mark_mmio_spte > kvm/kvm_mmio > kvm/vcpu_match_mmio > > and post the output? > First line repeated ad nauseam. ... 10346367 qemu-system-x86-1403 [001] 1451.422225: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346368 qemu-system-x86-1403 [001] 1451.422226: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346369 qemu-system-x86-1403 [001] 1451.422227: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346370 qemu-system-x86-1403 [001] 1451.422228: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346371 qemu-system-x86-1403 [001] 1451.422229: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346372 qemu-system-x86-1404 [002] 1451.422229: kvm_mmio: mmio write len 4 gpa 0xfee000b0 val 0x0 10346373 qemu-system-x86-1403 [001] 1451.422230: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346374 qemu-system-x86-1403 [001] 1451.422231: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346375 qemu-system-x86-1403 [001] 1451.422232: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346376 qemu-system-x86-1403 [001] 1451.422233: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346377 qemu-system-x86-1403 [001] 1451.422234: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346378 qemu-system-x86-1403 [001] 1451.422235: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346379 qemu-system-x86-1404 [002] 1451.422236: kvm_mmio: mmio write len 4 gpa 0xfee00380 val 0x3c7b0 10346380 qemu-system-x86-1403 [001] 1451.422237: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346381 qemu-system-x86-1403 [001] 1451.422238: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346382 qemu-system-x86-1403 [001] 1451.422239: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346383 qemu-system-x86-1403 [001] 1451.422240: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346384 qemu-system-x86-1403 [001] 1451.422241: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346385 qemu-system-x86-1403 [001] 1451.422242: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346386 qemu-system-x86-1403 [001] 1451.422243: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346387 qemu-system-x86-1403 [001] 1451.422244: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 10346403 qemu-system-x86-1403 [001] 1451.422260: check_mmio_spte: spte ffff0000fee00e3f kvm_gen 7ffc8 spte-gen 7ffc7 valid 0 ... Last line repeated ad nauseam. Whole output is over 1.3G of size. -- Markus -- 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