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kselftest/fixes kselftest-cpufreq: 4 runs, 2 regressions (v6.2-rc1-1-g9fdaca2c1e15)

by kernelci.org bot

kselftest/fixes kselftest-cpufreq: 4 runs, 2 regressions (v6.2-rc1-1-g9fdaca2c1e15) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ----------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | clang-15 | defconfig+kse...4-chromebook | 1 mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/v6.2-rc1-1-g9fd… Test: kselftest-cpufreq Tree: kselftest Branch: fixes Describe: v6.2-rc1-1-g9fdaca2c1e15 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 9fdaca2c1e157dc0a3c0faecf3a6a68e7d8d0c7b Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ----------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | clang-15 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/63c0925fcc631c2df81d39cb Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: clang-15 (Debian clang version 15.0.6) Plain log: https://storage.kernelci.org//kselftest/fixes/v6.2-rc1-1-g9fdaca2c1e15/arm6… HTML log: https://storage.kernelci.org//kselftest/fixes/v6.2-rc1-1-g9fdaca2c1e15/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023010… * kselftest-cpufreq.login: https://kernelci.org/test/case/id/63c0925fcc631c2df81d39cc failing since 85 days (last pass: linux-kselftest-fixes-6.0-rc3, first fail: v6.1-rc1-5-gcb05c81ada76) platform | arch | lab | compiler | defconfig | regressions ----------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/63c093044d4bf8a99a1d39c6 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: gcc-10 (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/v6.2-rc1-1-g9fdaca2c1e15/arm6… HTML log: https://storage.kernelci.org//kselftest/fixes/v6.2-rc1-1-g9fdaca2c1e15/arm6… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023010… * kselftest-cpufreq.login: https://kernelci.org/test/case/id/63c093044d4bf8a99a1d39c7 failing since 85 days (last pass: linux-kselftest-fixes-6.0-rc3, first fail: v6.1-rc1-5-gcb05c81ada76)

2 years, 8 months

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kselftest/fixes build: 6 builds: 0 failed, 6 passed, 3 warnings (v6.2-rc1-1-g9fdaca2c1e15)

by kernelci.org bot

kselftest/fixes build: 6 builds: 0 failed, 6 passed, 3 warnings (v6.2-rc1-1-g9fdaca2c1e15) Full Build Summary: https://kernelci.org/build/kselftest/branch/fixes/kernel/v6.2-rc1-1-g9fdaca… Tree: kselftest Branch: fixes Git Describe: v6.2-rc1-1-g9fdaca2c1e15 Git Commit: 9fdaca2c1e157dc0a3c0faecf3a6a68e7d8d0c7b Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git Built: 3 unique architectures Warnings Detected: arm64: i386: x86_64: x86_64_defconfig+kselftest (clang-15): 3 warnings Warnings summary: 1 vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x39: relocation to !ENDBR: .text+0x141c96 1 vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x23: relocation to !ENDBR: .text+0x141e0b 1 vmlinux.o: warning: objtool: lkdtm_UNSET_SMEP+0xcc: relocation to !ENDBR: native_write_cr4+0x4 ================================================================================ Detailed per-defconfig build reports: -------------------------------------------------------------------------------- defconfig+kselftest (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, clang-15) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- i386_defconfig+kselftest (i386, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, clang-15) — PASS, 0 errors, 3 warnings, 0 section mismatches Warnings: vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x23: relocation to !ENDBR: .text+0x141e0b vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x39: relocation to !ENDBR: .text+0x141c96 vmlinux.o: warning: objtool: lkdtm_UNSET_SMEP+0xcc: relocation to !ENDBR: native_write_cr4+0x4 --- For more info write to <info(a)kernelci.org>

2 years, 8 months

1
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[PATCH] kselftest/arm64: Skip non-power of 2 SVE vector lengths in fp-stress

by Mark Brown

As documented in issue C215 in the known issues list for DDI0487I.a [1] Arm will be making a retroactive change to SVE to remove the possibility of selecting non power of two vector lengths. This has no impact on existing physical implementations but most virtual implementations have implemented the full range of permissible vector lengths. Given how demanding fp-stress is for these implementations update to only attempt to enumerate the power of two vector lengths, reducing the load created on existing virtual implementations and only exercising the functionality that will be seen in physical implementations. [1] https://developer.arm.com/documentation/102105/ia-00/ Signed-off-by: Mark Brown <broonie(a)kernel.org> --- tools/testing/selftests/arm64/fp/fp-stress.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/arm64/fp/fp-stress.c b/tools/testing/selftests/arm64/fp/fp-stress.c index f8b2f41aac36..2b95f9451b1b 100644 --- a/tools/testing/selftests/arm64/fp/fp-stress.c +++ b/tools/testing/selftests/arm64/fp/fp-stress.c @@ -377,7 +377,7 @@ static void probe_vls(int vls[], int *vl_count, int set_vl) *vl_count = 0; - for (vq = SVE_VQ_MAX; vq > 0; --vq) { + for (vq = SVE_VQ_MAX; vq > 0; vq /= 2) { vl = prctl(set_vl, vq * 16); if (vl == -1) ksft_exit_fail_msg("SET_VL failed: %s (%d)\n", @@ -385,6 +385,9 @@ static void probe_vls(int vls[], int *vl_count, int set_vl) vl &= PR_SVE_VL_LEN_MASK; + if (*vl_count && (vl == vls[*vl_count - 1])) + break; + vq = sve_vq_from_vl(vl); vls[*vl_count] = vl; --- base-commit: 1b929c02afd37871d5afb9d498426f83432e71c2 change-id: 20221220-arm64-fp-stress-pow2-b81ee6471492 Best regards, -- Mark Brown <broonie(a)kernel.org>

2 years, 8 months

2
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[PATCH 0/4] kselftest/arm64: syscall-abi fix and enhancements

by Mark Brown

The first patch here is a fix which should ideally be sent as such, currently the program will hang on architecturally valid systems which implement SME but not 128 bit vector lengths. The remaining patches are general enhancements, including coverage for the SME ABI on SME only systems. To: Catalin Marinas <catalin.marinas(a)arm.com> To: Will Deacon <will(a)kernel.org> To: Shuah Khan <shuah(a)kernel.org> Cc: Shuah Khan <skhan(a)linuxfoundation.org> Cc: linux-arm-kernel(a)lists.infradead.org Cc: linux-kselftest(a)vger.kernel.org Cc: linux-kernel(a)vger.kernel.org Signed-off-by: Mark Brown <broonie(a)kernel.org> --- Mark Brown (4): kselftest/arm64: Fix syscall-abi for systems without 128 bit SME kselftest/arm64: Only enumerate VLs once in syscall-abi kselftest/arm64: Verify SME only ABI in syscall-abi kselftest/arm64: Only enumerate power of two VLs in syscall-abi .../testing/selftests/arm64/abi/syscall-abi-asm.S | 14 ++- tools/testing/selftests/arm64/abi/syscall-abi.c | 133 +++++++++++++-------- 2 files changed, 89 insertions(+), 58 deletions(-) --- base-commit: 1b929c02afd37871d5afb9d498426f83432e71c2 change-id: 20221223-arm64-syscall-abi-sme-only-c3bb2c0f81e5 Best regards, -- Mark Brown <broonie(a)kernel.org>

2 years, 8 months

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[PATCH 0/2] kselftest/arm64: Improvements to BTI tests on non-BTI systems

by Mark Brown

While looking at the BTI selftest results on a non-BTI system I noticed that not only are we printing invalid test numbers in that case, we're skipping running the tests entirely even though there's a well defined ABI we could be verifying and the code already knows what the results should be. The first patch here is a fix to the reporting of test numbers when skipping, the second one just removes the skipping entirely in favour of a runtime check for what the result of a BTI binary should be. To: Catalin Marinas <catalin.marinas(a)arm.com> To: Will Deacon <will(a)kernel.org> To: Shuah Khan <shuah(a)kernel.org> Cc: linux-arm-kernel(a)lists.infradead.org Cc: linux-kselftest(a)vger.kernel.org Cc: linux-kernel(a)vger.kernel.org Signed-off-by: Mark Brown <broonie(a)kernel.org> --- Mark Brown (2): kselftest/arm64: Fix test numbering when skipping tests kselftest/arm64: Run BTI selftests on systems without BTI tools/testing/selftests/arm64/bti/test.c | 25 ++++++++++--------------- 1 file changed, 10 insertions(+), 15 deletions(-) --- base-commit: b7bfaa761d760e72a969d116517eaa12e404c262 change-id: 20230110-arm64-bti-selftest-skip-9fdf5e94fb62 Best regards, -- Mark Brown <broonie(a)kernel.org>

2 years, 8 months

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[PATCH v5 00/10] KVM: s390: Extend MEM_OP ioctl by storage key checked cmpxchg

by Janis Schoetterl-Glausch

User space can use the MEM_OP ioctl to make storage key checked reads and writes to the guest, however, it has no way of performing atomic, key checked, accesses to the guest. Extend the MEM_OP ioctl in order to allow for this, by adding a cmpxchg mode. For now, support this mode for absolute accesses only. This mode can be use, for example, to set the device-state-change indicator and the adapter-local-summary indicator atomically. Also contains some fixes/changes for the memop selftest independent of the cmpxchg changes. v4 -> v5 * refuse cmpxchg if not write (thanks Thomas) * minor doc changes (thanks Claudio) * picked up R-b's (thanks Thomas & Claudio) * memop selftest fixes * rebased v3 -> v4 * no functional change intended * rework documentation a bit * name extension cap cmpxchg bit * picked up R-b (thanks Thomas) * various changes (rename variable, comments, ...) see range-diff below v2 -> v3 * rebase onto the wip/cmpxchg_user_key branch in the s390 kernel repo * use __uint128_t instead of unsigned __int128 * put moving of testlist into main into separate patch * pick up R-b's (thanks Nico) v1 -> v2 * get rid of xrk instruction for cmpxchg byte and short implementation * pass old parameter via pointer instead of in mem_op struct * indicate failure of cmpxchg due to wrong old value by special return code * picked up R-b's (thanks Thomas) Janis Schoetterl-Glausch (10): KVM: s390: Extend MEM_OP ioctl by storage key checked cmpxchg Documentation: KVM: s390: Describe KVM_S390_MEMOP_F_CMPXCHG KVM: s390: selftest: memop: Pass mop_desc via pointer KVM: s390: selftest: memop: Replace macros by functions KVM: s390: selftest: memop: Move testlist into main KVM: s390: selftest: memop: Add cmpxchg tests KVM: s390: selftest: memop: Add bad address test KVM: s390: selftest: memop: Fix typo KVM: s390: selftest: memop: Fix wrong address being used in test KVM: s390: selftest: memop: Fix integer literal Documentation/virt/kvm/api.rst | 20 +- include/uapi/linux/kvm.h | 7 + arch/s390/kvm/gaccess.h | 3 + arch/s390/kvm/gaccess.c | 102 ++++ arch/s390/kvm/kvm-s390.c | 41 +- tools/testing/selftests/kvm/s390x/memop.c | 675 +++++++++++++++++----- 6 files changed, 696 insertions(+), 152 deletions(-) Range-diff against v4: 1: 75a20d2e27f2 ! 1: 6adc166ee141 KVM: s390: Extend MEM_OP ioctl by storage key checked cmpxchg @@ arch/s390/kvm/kvm-s390.c: static int kvm_s390_vm_mem_op(struct kvm *kvm, struct + */ + if (mop->size > sizeof(new)) + return -EINVAL; ++ if (mop->op != KVM_S390_MEMOP_ABSOLUTE_WRITE) ++ return -EINVAL; + if (copy_from_user(&new.raw[off_in_quad], uaddr, mop->size)) + return -EFAULT; + if (copy_from_user(&old.raw[off_in_quad], old_addr, mop->size)) 2: 5c5ad96a4c81 ! 2: fce9a063ab70 Documentation: KVM: s390: Describe KVM_S390_MEMOP_F_CMPXCHG @@ Commit message checked) cmpxchg operations on guest memory. Signed-off-by: Janis Schoetterl-Glausch <scgl(a)linux.ibm.com> + Reviewed-by: Claudio Imbrenda <imbrenda(a)linux.ibm.com> ## Documentation/virt/kvm/api.rst ## @@ Documentation/virt/kvm/api.rst: The fields in each entry are defined as follows: @@ Documentation/virt/kvm/api.rst: The fields in each entry are defined as follows: :Returns: = 0 on success, < 0 on generic error (e.g. -EFAULT or -ENOMEM), - > 0 if an exception occurred while walking the page tables -+ 16 bit program exception code if the access causes such an exception -+ other code > 0xffff with special meaning ++ 16 bit program exception code if the access causes such an exception, ++ other code > 0xffff with special meaning. Read or write data from/to the VM's memory. The KVM_CAP_S390_MEM_OP_EXTENSION capability specifies what functionality is 3: 9cbcb313d91d = 3: 94c1165ae24a KVM: s390: selftest: memop: Pass mop_desc via pointer 4: 21d98b9deaae ! 4: 027c87eee0ac KVM: s390: selftest: memop: Replace macros by functions @@ Commit message need the exta flexibility. Signed-off-by: Janis Schoetterl-Glausch <scgl(a)linux.ibm.com> + Reviewed-by: Thomas Huth <thuth(a)redhat.com> ## tools/testing/selftests/kvm/s390x/memop.c ## @@ tools/testing/selftests/kvm/s390x/memop.c: struct mop_desc { 5: 866fcd7fbc97 ! 5: 16ac410ecc0f KVM: s390: selftest: memop: Move testlist into main @@ tools/testing/selftests/kvm/s390x/memop.c: static void test_errors(void) { int extension_cap, idx; -+ setbuf(stdout, NULL); /* Tell stdout not to buffer its content */ TEST_REQUIRE(kvm_has_cap(KVM_CAP_S390_MEM_OP)); + extension_cap = kvm_check_cap(KVM_CAP_S390_MEM_OP_EXTENSION); -- setbuf(stdout, NULL); /* Tell stdout not to buffer its content */ +- ksft_print_header(); + struct testdef { + const char *name; + void (*test)(void); @@ tools/testing/selftests/kvm/s390x/memop.c: static void test_errors(void) + }, + }; - ksft_print_header(); -- ++ ksft_print_header(); ksft_set_plan(ARRAY_SIZE(testlist)); - extension_cap = kvm_check_cap(KVM_CAP_S390_MEM_OP_EXTENSION); @@ tools/testing/selftests/kvm/s390x/memop.c: static void test_errors(void) - ksft_test_result_skip("%s - extension level %d not supported\n", - testlist[idx].name, - testlist[idx].extension); -+ ksft_test_result_skip("%s - requirements not met (kernel has extension cap %#x\n)", ++ ksft_test_result_skip("%s - requirements not met (kernel has extension cap %#x)\n", + testlist[idx].name, extension_cap); } } 6: c3e473677786 ! 6: 214281b6eb96 KVM: s390: selftest: memop: Add cmpxchg tests @@ tools/testing/selftests/kvm/s390x/memop.c: static void test_errors(void) + rv = ERR_MOP(t.vm, ABSOLUTE, WRITE, mem1, i, GADDR((void *)~0xfffUL), + CMPXCHG_OLD(&old)); + TEST_ASSERT(rv > 0, "ioctl allows bad guest address for cmpxchg"); ++ rv = ERR_MOP(t.vm, ABSOLUTE, READ, mem1, i, GADDR_V(mem1), ++ CMPXCHG_OLD(&old)); ++ TEST_ASSERT(rv == -1 && errno == EINVAL, ++ "ioctl allows read cmpxchg call"); + } + for (i = 2; i <= 16; i *= 2) { + rv = ERR_MOP(t.vm, ABSOLUTE, WRITE, mem1, i, GADDR_V(mem1 + 1), 7: 90288760656e = 7: 2d6776733e64 KVM: s390: selftest: memop: Add bad address test 8: e3d4b9b2ba61 = 8: 8c49eafd2881 KVM: s390: selftest: memop: Fix typo 9: 13fedd6e3d9e = 9: 0af907110b34 KVM: s390: selftest: memop: Fix wrong address being used in test -: ------------ > 10: 886c80b2bdce KVM: s390: selftest: memop: Fix integer literal -- 2.34.1

2 years, 8 months

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[PATCH v1 1/1] selftests/filesystems: Grant executable permission to run_fat_tests.sh

by Pengfei Xu

When use tools/testing/selftests/kselftest_install.sh to make the kselftest-list.txt under tools/testing/selftests/kselftest_install. Then use tools/testing/selftests/kselftest_install/run_kselftest.sh to run all the kselftests in kselftest-list.txt, it will be blocked by case "filesystems/fat: run_fat_tests.sh" with "Warning: file run_fat_tests.sh is not executable", so grant executable permission to run_fat_tests.sh to fix this issue. Fixes: dd7c9be330d8 ("selftests/filesystems: add a vfat RENAME_EXCHANGE test") Signed-off-by: Pengfei Xu <pengfei.xu(a)intel.com> --- tools/testing/selftests/filesystems/fat/run_fat_tests.sh | 0 1 file changed, 0 insertions(+), 0 deletions(-) mode change 100644 => 100755 tools/testing/selftests/filesystems/fat/run_fat_tests.sh diff --git a/tools/testing/selftests/filesystems/fat/run_fat_tests.sh b/tools/testing/selftests/filesystems/fat/run_fat_tests.sh old mode 100644 new mode 100755 -- 2.31.1

2 years, 8 months

2
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[PATCH] kselftest: Fix error message for unconfigured LLVM builds

by Mark Brown

We are missing a ) when we attempt to complain about not having enough configuration for clang, resulting in the rather inscrutable error: ../lib.mk:23: *** unterminated call to function 'error': missing ')'. Stop. Add the required ) so we print the message we were trying to print. Signed-off-by: Mark Brown <broonie(a)kernel.org> --- tools/testing/selftests/lib.mk | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 291144c284fb..f7900e75d230 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -20,7 +20,7 @@ CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) ifeq ($(CROSS_COMPILE),) ifeq ($(CLANG_TARGET_FLAGS),) -$(error Specify CROSS_COMPILE or add '--target=' option to lib.mk +$(error Specify CROSS_COMPILE or add '--target=' option to lib.mk) else CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS) endif # CLANG_TARGET_FLAGS --- base-commit: b7bfaa761d760e72a969d116517eaa12e404c262 change-id: 20230111-kselftest-lib-clang-fix-8936ba376ea1 Best regards, -- Mark Brown <broonie(a)kernel.org>

2 years, 8 months

2
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[PATCH] selftests/arm64: bump timeout to 15 minutes

by Naresh Kamboju

LKFT CI found that with the latest mainline kernel (6.1) on some QEMU emulators and FVP, the following tests will take longer than the kselftest framework default timeout (45 seconds) to run and thus got terminated with TIMEOUT error: * fp-stress - took about 11m30s * sve-ptrace - took about 8m50s * check_gcr_el1_cswitch - took about 6m * check_user_mem - took about 3m * syscall-abi - took about 5m Current test timeouts: not ok 29 selftests: arm64: sve-ptrace # TIMEOUT 45 seconds not ok 36 selftests: arm64: check_gcr_el1_cswitch # TIMEOUT 45 seconds not ok 41 selftests: arm64: check_user_mem # TIMEOUT 45 seconds not ok 46 selftests: arm64: syscall-abi # TIMEOUT 45 seconds Signed-off-by: Naresh Kamboju <naresh.kamboju(a)linaro.org> --- tools/testing/selftests/arm64/settings | 1 + 1 file changed, 1 insertion(+) create mode 100644 tools/testing/selftests/arm64/settings diff --git a/tools/testing/selftests/arm64/settings b/tools/testing/selftests/arm64/settings new file mode 100644 index 000000000000..8959a5dd8ace --- /dev/null +++ b/tools/testing/selftests/arm64/settings @@ -0,0 +1 @@ +timeout=900 \ No newline at end of file -- 2.30.2

2 years, 8 months

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BUG: tools/testing/selftests/net/l2_tos_ttl_inherit.sh hangs when selftest restarted

by Mirsad Goran Todorovac

Hi all, I was wondering whether I am already obnoxious with three or four bug reports in two days and you might find it easier to hire an assassin to silence me than to fix them :) But the saner approach prevailed and I thought of the advantage of pulling through with 6.2-rc2 selftests on all my available hardware. Please find included the lshw output, config and dmesg log. The kernel is essentially vanilla mainline torvalds tree kernel with CONFIG_KMEMLEAK=y and MG-LRU enabled (somewhat maybe brave, but I believe unrelated). https://domac.alu.unizg.hr/~mtodorov/linux/selftests/net-namespace-20230106… https://domac.alu.unizg.hr/~mtodorov/linux/selftests/net-namespace-20230106… [root@pc-mtodorov linux_torvalds]# tools/testing/selftests/net/l2_tos_ttl_inherit.sh ┌────────┬───────┬───────┬──────────────┬──────────────┬───────┬────────┐ ├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤ │ Type │ outer | inner │ tos │ ttl │ vlan │ result │ ├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤ │ gre │ 4 │ 4 │ inherit 0xc4 │ inherit 116 │ false │Cannot create namespace file "/var/run/netns/testing": File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists Of course, I should have tried to fix these myself, but I am not quite an expert in namespaces. BTW, Florian asked for a bash -x output, so I am providing one to save one roundtrip: https://domac.alu.unizg.hr/~mtodorov/linux/selftests/net-namespace-20230106… Kind regards, Mirsad -- Mirsad Goran Todorovac Sistem inženjer Grafički fakultet | Akademija likovnih umjetnosti Sveučilište u Zagrebu -- System engineer Faculty of Graphic Arts | Academy of Fine Arts University of Zagreb, Republic of Croatia The European Union

2 years, 8 months

3
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