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45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 02 Feb 2026 15:38:29 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/230374 On 2/1/2026 1:21 PM, Mathieu Dubois-Briand via lists.openembedded.org wrote: > CAUTION: This email comes from a non Wind River email account! > Do not click links or open attachments unless you recognize the sender and know the content is safe. > > On Fri Jan 30, 2026 at 2:41 PM CET, Hemanth.KumarMD via lists.openembedded.org wrote: >> From: Hemanth Kumar M D >> >> https://blog.rust-lang.org/2026/01/22/Rust-1.93.0/ >> Rust changes: https://github.com/rust-lang/rust/releases/tag/1.93.0 >> Cargo changes: https://doc.rust-lang.org/nightly/cargo/CHANGELOG.html#cargo-193-2026-01-22 >> >> * rust-oe-selftest.patch updated for 1.93: >> Renamed UI test directive from add-core-stubs to add-minicore as in >> https://github.com/rust-lang/rust/commit/3796f7de57f5d4cf4325d1f13aeb07fdaa57983b >> >> * OE-selftests: >> - Exclude src/tools/remote-test-client from test suite. >> This unit test modifies the TEST_DEVICE_ADDR environment variable, >> which breaks the OE test harness that uses the same variable for >> QEMU remote testing. Filed a bug with upstream: >> https://github.com/rust-lang/rust/issues/151823 >> >> - Enable +v8a feature for cortexa57. >> Rust 1.93.0 added a regression test (PR #149549) to verify that the >> ARMv8-A system register ttbr0_el2 is recognized in inline assembly. >> This addresses issue #97724 where LLVM wasn't recognizing ttbr0_el2 >> as a valid register. Upstream Rust enables +v8a by default for all >> AArch64 targets (PR #105026), but Yocto's custom target specification >> doesn't inherit this. Adding +v8a ensures LLVM recognizes ARMv8-A >> system registers, fixing the test failure. >> >> Related upstream links: >> - PR #149549: https://github.com/rust-lang/rust/pull/149549 >> - Issue #97724: https://github.com/rust-lang/rust/issues/97724 >> - PR #105026: https://github.com/rust-lang/rust/pull/105026 >> >> Test results: >> >> rust v1.93.0 >> +-------------+--------+---------+ >> | Machine | Passed | Skipped | >> +-------------+--------+---------+ >> | qemux86-64 | 21,689 | 646 | >> | qemux86 | 21,439 | 896 | >> | qemuarm64 | 21,495 | 840 | >> | qemuarm | 21,421 | 914 | >> | qemuriscv64 | 21,466 | 869 | >> +-------------+--------+---------+ >> >> Test results difference (1.93.0 - 1.92.0): >> >> +-------------+--------+---------+ >> | Machine | Passed | Skipped | >> +-------------+--------+---------+ >> | qemux86-64 | +205 | +33 | >> | qemux86 | +205 | +33 | >> | qemuarm64 | +206 | +32 | >> | qemuarm | +205 | +33 | >> | qemuriscv64 | +205 | +33 | >> +-------------+--------+---------+ >> >> Signed-off-by: Hemanth Kumar M D >> --- > Hi Hemanth, > > Thanks for the upgrade. > > I suspect this is responsible of the > runtime_test.RustKernel.test_kernel_rust_sample selftest failure: > > 2026-01-31 16:20:41,991 - oe-selftest - INFO - runtime_test.RustKernel.test_kernel_rust_sample (subunit.RemotedTestCase) > 2026-01-31 16:20:41,994 - oe-selftest - INFO - ... FAIL > ... > ERROR: linux-yocto-6.16.11+git-r0 do_compile: Execution of '/srv/pokybuild/yocto-worker/oe-selftest-debian/build/build-st-766138/tmp/work/qemux86_64-poky-linux/linux-yocto/6.16.11+git/temp/run.do_compile.189616' failed with exit code 1 > ... > | error: unknown unstable option: `no-jump-tables` > > https://autobuilder.yoctoproject.org/valkyrie/#/builders/35/builds/3127 > https://autobuilder.yoctoproject.org/valkyrie/#/builders/48/builds/3022 > > Can you have a look at what is going wrong here? Hi Mathieu, This issue was already identified in upstream when building linux Kernel with rust-1.93.0, They have taken fix to linux kernel v6.18/master. But it is not present in linux kernel v6.16: https://github.com/torvalds/linux/commit/789521b4717fd6bd85164ba5c131f621a79c9736 To address this, I will submit a backport of the upstream change to linux-yocto v6.16/standard/base. Thanks, Harish > > Thanks, > Mathieu > > -- > Mathieu Dubois-Briand, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com > > > -=-=-=-=-=-=-=-=-=-=-=- > Links: You receive all messages sent to this group. > View/Reply Online (#230253): https://lists.openembedded.org/g/openembedded-core/message/230253 > Mute This Topic: https://lists.openembedded.org/mt/117544255/8054390 > Group Owner: openembedded-core+owner@lists.openembedded.org > Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub [Harish.Sadineni@windriver.com] > -=-=-=-=-=-=-=-=-=-=-=- >