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The issue manifests only with -O1 or -O0, the default -O2 seems to optimize the condition away. Guard this inline assembly with the preprocessor checks, making sure that other platforms don't see the invalid assembly. FAILED: [code=1] tests/amdgpu/amd_basic.p/amd_basic.c.o Assembler messages: {standard input}:3702: Error: unknown mnemonic `pause' -- `pause' Signed-off-by: Dmitry Baryshkov --- ...insert-pause-mnemonic-only-on-x86-x86_64-.patch | 39 ++++++++++++++++++++++ .../igt-gpu-tools/igt-gpu-tools_2.5.bb | 1 + 2 files changed, 40 insertions(+) --- base-commit: 8bdc2869a1a9307ee4ad9cc1d662c2fc1ddd9d2c change-id: 20261002-igt-afbc1c8c48e2 Best regards, -- With best wishes Dmitry diff --git a/meta/recipes-graphics/igt-gpu-tools/igt-gpu-tools/0001-tests-amdgpu-insert-pause-mnemonic-only-on-x86-x86_64-.patch b/meta/recipes-graphics/igt-gpu-tools/igt-gpu-tools/0001-tests-amdgpu-insert-pause-mnemonic-only-on-x86-x86_64-.patch new file mode 100644 index 000000000000..e9ce806ab171 --- /dev/null +++ b/meta/recipes-graphics/igt-gpu-tools/igt-gpu-tools/0001-tests-amdgpu-insert-pause-mnemonic-only-on-x86-x86_64-.patch @@ -0,0 +1,39 @@ +From dc072dc0fc680a055d0cdf5adfdccbab6d0566d6 Mon Sep 17 00:00:00 2001 +From: Dmitry Baryshkov +Date: Fri, 26 Jun 2026 22:34:06 +0300 +Subject: [PATCH] lib/amdgpu: insert pause mnemonic only on x86 / x86_64 + platforms + +The "pause" assembly mnemonic is only available on IA-32 platforms, +breaking e.g. debug IGT builds on ARM / AArch64. The issue manifests +only with -O1 or -O0, the default -O2 seems to optimize the condition +away. + +Guard this inline assembly with the preprocessor checks, making sure +that other platforms don't see the invalid assembly. + +FAILED: [code=1] tests/amdgpu/amd_basic.p/amd_basic.c.o +Assembler messages: +{standard input}:3702: Error: unknown mnemonic `pause' -- `pause' + +Upstream-Status: Submitted [https://lore.kernel.org/igt-dev/20261002191401.469214-1-dmitry.baryshkov@oss.qualcomm.com/] +Signed-off-by: Dmitry Baryshkov +--- + tests/amdgpu/amd_basic.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/tests/amdgpu/amd_basic.c b/tests/amdgpu/amd_basic.c +index 3ad023472136..e5475f337549 100644 +--- a/tests/amdgpu/amd_basic.c ++++ b/tests/amdgpu/amd_basic.c +@@ -703,8 +703,10 @@ static int wait_for_value64(volatile uint64_t *ptr, uint64_t expected, + /* Sleep if interval specified, otherwise tight loop */ + if (check_interval_ns > 0) + nanosleep(&sleep_time, NULL); ++#if defined(x86_64) || defined(i386) + else + __asm__ __volatile__("pause" ::: "memory"); /* CPU hint for spin-wait */ ++#endif + } + } + diff --git a/meta/recipes-graphics/igt-gpu-tools/igt-gpu-tools_2.5.bb b/meta/recipes-graphics/igt-gpu-tools/igt-gpu-tools_2.5.bb index f03bf4663048..1f4353292ff9 100644 --- a/meta/recipes-graphics/igt-gpu-tools/igt-gpu-tools_2.5.bb +++ b/meta/recipes-graphics/igt-gpu-tools/igt-gpu-tools_2.5.bb @@ -13,6 +13,7 @@ SRCREV = "a8e2cbd2854d7980a9eccecc6e0c801d0824b88f" SRC_URI = "git://gitlab.freedesktop.org/drm/igt-gpu-tools.git;protocol=https;branch=master;tag=v${PV} \ file://0001-lib-meson.build-do-not-hardcode-the-build-directory-.patch \ + file://0001-lib-amdgpu-insert-pause-mnemonic-only-on-x86-x86_64-.patch \ " DEPENDS += "libdrm libpciaccess cairo udev glib-2.0 procps libunwind kmod openssl elfutils alsa-lib json-c bison-native pciutils jansson"