On Thu, Aug 21, 2025 at 4:16 PM Alex Bennée <alex.ben...@linaro.org> wrote: > > Christian Ehrhardt <christian.ehrha...@canonical.com> writes: > > (adding qemu-arm and Richard to the CC) > > > Hi, > > Debian and Ubuntu run the self tests of snek as integration tests like: > > > > `make SNEK_NATIVE=/usr/bin/snek SNEK_ARM=/usr/share/snek/snek-arm > > SNEK_RISCV=/usr/share/snek/snek-riscv -C test check` > > > > Those tests recently generated signal by failing in the arm emulation > > tests with `qemu-system-arm` - full log [1]. > > > > ``` > > 224s Running test pass-precedence.py. > > 224s pass python3 > > 224s pass snek > > 224s pass-precedence.py:72 Syntax error at "". > > 224s ***************** snek-arm fail ********************* > > 224s pass snek-riscv > > ``` > > > > 14 tests failed, but all with quite similar signatures. > > > > But that only happens when executed on armhf, the other host > > architectures are all happy [2]. > > > > I've separated the test and ran a git bisect on qemu 10.0 -> 10.1 as > > somewhere here is the trigger. > > That worked fine and identified this change [3]. > > This is: > > tcg: Convert deposit to TCGOutOpDeposit > > Reviewed-by: Pierrick Bouvier <pierrick.bouv...@linaro.org> > Signed-off-by: Richard Henderson <richard.hender...@linaro.org> > > > I must admit, I was able to debug it until here, but I can't see how > > these snek test failures could be caused by that change. > > And yes - arm emulation on an armhf platform isn't the most common > > scenario. > > Are any of your other hosts 32 bit?
No, only i386 but that does not have all dependencies and packages to execute it. > > > > I can't predict if there is anything wrong in snek which now is > > treated differently by qemu to trigger this or if snek is all fine and > > qemu broken something - Therefore I've also reported it to snek [4]. > > > > The tracking of the initial finding in Ubuntu is here if you want to > > see more about how this commit was identified [5]. > > > > [1]: > > https://autopkgtest.ubuntu.com/results/autopkgtest-questing/questing/armhf/s/snek/20250818_045020_246a4@/log.gz > > [2]: https://autopkgtest.ubuntu.com/packages/s/snek > > [3]: > > https://salsa.debian.org/qemu-team/qemu/-/commit/cf4905c03135f1181e86c618426f8d6c703b38c0 > > [4]: https://github.com/keith-packard/snek/issues/103 > > [5]: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/2121124 > > -- > Alex Bennée > Virtualisation Tech Lead @ Linaro -- Christian Ehrhardt Director of Engineering, Ubuntu Server Canonical Ltd
