This is a false positive, as the test is invalid: it expects the sequence
tcgetattr ... tcsetattr ... tcgetattr to produce a bitwise identical termios
structure, and that is simply not a valid assumption for *multiple* reasons.
-hpa
On 2025-11-19 04:31, [email protected] wrote:
> Dear contributor,
>
> Our automatic CI has detected problems related to your patch(es). Please find
> some details below.
>
> In master-arm, after:
> | commit glibc-2.42.9000-514-g8d999a69936
> | Author: H. Peter Anvin <[email protected]>
> | Date: Mon Oct 20 13:42:09 2025 -0700
> |
> | linux/termios: clear k_termios.c_cflag & CIBAUD for non-split speed
> [BZ 33340]
> |
> | After getting more experience with the various broken direct-to-ioctl
> | termios2 hacks using Fedora 43 beta, I have found a fair number of
> | cases where the software would fail to set, or clear CIBAUD for
> | ... 29 lines of the commit log omitted.
>
> Produces 2 regressions:
> |
> | regressions.sum:
> | Running gdb:gdb.base/term.exp ...
> | FAIL: gdb.base/term.exp: after last resume: info terminal
> | FAIL: gdb.base/term.exp: post tcsetattr: info terminal
>
> Used configuration :
> *CI config* tcwg_gnu_native_check_gdb master-arm
> *configure and test flags:* none, autodetected on
> armv8l-unknown-linux-gnueabihf
>
> We track this bug report under https://linaro.atlassian.net/browse/GNU-1753.
> Please let us know if you have a fix.
>
> If you have any questions regarding this report, please ask on
> [email protected] mailing list.
>
> -----------------8<--------------------------8<--------------------------8<--------------------------
>
> The information below contains the details of the failures, and the ways to
> reproduce a debug environment:
>
> You can find the failure logs in *.log.1.xz files in
> *
> https://ci.linaro.org/job/tcwg_gnu_native_check_gdb--master-arm-build/2297/artifact/artifacts/00-sumfiles/
> The full lists of regressions and improvements as well as configure and make
> commands are in
> *
> https://ci.linaro.org/job/tcwg_gnu_native_check_gdb--master-arm-build/2297/artifact/artifacts/notify/
> The list of [ignored] baseline and flaky failures are in
> *
> https://ci.linaro.org/job/tcwg_gnu_native_check_gdb--master-arm-build/2297/artifact/artifacts/sumfiles/xfails.xfail
>
> Current build :
> https://ci.linaro.org/job/tcwg_gnu_native_check_gdb--master-arm-build/2297/artifact/artifacts
> Reference build :
> https://ci.linaro.org/job/tcwg_gnu_native_check_gdb--master-arm-build/2296/artifact/artifacts
>
> Instruction to reproduce the build :
> https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/glibc/sha1/8d999a6993611d375adc9efc5369c7bb7963b716/tcwg_gnu_native_check_gdb/master-arm/reproduction_instructions.txt
>
> Full commit :
> https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=8d999a6993611d375adc9efc5369c7bb7963b716
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