** Description changed: + [Impact] + + * Xenial with HWE kernel (matching new relesaes) and qemu without cloud + archive (not matching new releases) could trigger hypercalls that are + not supported in xenials-qemu. + + * There is no "real" case other than kvm tests yet to trigger it yet, but + it is an easy and well contained fix, so we might fix proactively. + + [Test Case] + + 1. deploy xenial + HWE kernel on a ppc64el box + 2. sudo apt-get install qemu-kvm -y + 3. git clone --depth=1 https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git + 4. cd kvm-unit-tests + 5. ./configure --endian=little; make + 6. sudo ppc64_cpu --smt=off + 7. sudo ./run_tests -v + + [Regression Potential] + + * The changes are all upstream since a long time now (lowering the risk + of silly mistakes) + * The changes are isolated to ppc, so in the worst case only this arch + should regress. + * We implement new hcalls, so if anything there might be a regression if + software expected them to fail, but now breaks by them working (don't + think so given the nature of these hcalls). + + [Other Info] + + * n/a + + --- + kernel: 4.10.0-33.37~16.04.1 I think this issue was introduced by the old qemu version (similar issue was spotted on Xenial before), will need to investigate this further. - qemu-system-ppc64 -machine pseries,accel=kvm -bios powerpc/boot_rom.bin -display none -serial stdio -kernel powerpc/spapr_hcall.elf -smp 1 FAIL: hypercall: h_set_sprg0: sprg0 = 0xcafebabedeadbeef FAIL: hypercall: h_set_sprg0: sprg0 = 0xaaaaaaaa55555555 FAIL: hypercall: h_set_sprg0: sprg0 = 0x41a588 FAIL: hypercall: h_page_init: h_zero_page FAIL: hypercall: h_page_init: h_copy_page FAIL: hypercall: h_page_init: h_copy_page+h_zero_page FAIL: hypercall: h_page_init: h_zero_page unaligned dst FAIL: hypercall: h_page_init: h_copy_page unaligned src XFAIL: hypercall: h_random: h-call available - + SUMMARY: 9 tests, 8 unexpected failures, 1 expected failures
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1712803 Title: spapr_hcall from ubuntu_kvm_unit_test failed on ppc64el with Z-hwe kernel Status in linux package in Ubuntu: Triaged Status in qemu package in Ubuntu: Fix Released Status in linux source package in Xenial: New Status in qemu source package in Xenial: Triaged Bug description: [Impact] * Xenial with HWE kernel (matching new relesaes) and qemu without cloud archive (not matching new releases) could trigger hypercalls that are not supported in xenials-qemu. * There is no "real" case other than kvm tests yet to trigger it yet, but it is an easy and well contained fix, so we might fix proactively. [Test Case] 1. deploy xenial + HWE kernel on a ppc64el box 2. sudo apt-get install qemu-kvm -y 3. git clone --depth=1 https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git 4. cd kvm-unit-tests 5. ./configure --endian=little; make 6. sudo ppc64_cpu --smt=off 7. sudo ./run_tests -v [Regression Potential] * The changes are all upstream since a long time now (lowering the risk of silly mistakes) * The changes are isolated to ppc, so in the worst case only this arch should regress. * We implement new hcalls, so if anything there might be a regression if software expected them to fail, but now breaks by them working (don't think so given the nature of these hcalls). [Other Info] * n/a --- kernel: 4.10.0-33.37~16.04.1 I think this issue was introduced by the old qemu version (similar issue was spotted on Xenial before), will need to investigate this further. qemu-system-ppc64 -machine pseries,accel=kvm -bios powerpc/boot_rom.bin -display none -serial stdio -kernel powerpc/spapr_hcall.elf -smp 1 FAIL: hypercall: h_set_sprg0: sprg0 = 0xcafebabedeadbeef FAIL: hypercall: h_set_sprg0: sprg0 = 0xaaaaaaaa55555555 FAIL: hypercall: h_set_sprg0: sprg0 = 0x41a588 FAIL: hypercall: h_page_init: h_zero_page FAIL: hypercall: h_page_init: h_copy_page FAIL: hypercall: h_page_init: h_copy_page+h_zero_page FAIL: hypercall: h_page_init: h_zero_page unaligned dst FAIL: hypercall: h_page_init: h_copy_page unaligned src XFAIL: hypercall: h_random: h-call available SUMMARY: 9 tests, 8 unexpected failures, 1 expected failures To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1712803/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
