Hi Andrew,

FYI - I have also filed a Bugzilla ticket to track this issue: 
https://sourceware.org/bugzilla/show_bug.cgi?id=34058 Regards Abhay Kandpal

On 02/04/26 20:07, Abhay Kandpal wrote:
> Hi Andrew,
>
> We are observing new test failures on both Power10 and Power9 following the recent patch:
>
> commit 5ed98c177f9a2381fe5c6ab873d05f1e5dcb8f7f
> Author: Andrew Burgess<aburgess@redhat.com>
> Date:   Wed Feb 4 20:31:31 2026 +0000
>      gdb: introduce '**' for skip globs
>
> Failure cases:
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=xxx: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=xxx: step into func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=xxx: step into func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=aa/bb*/file*.*c*: step into func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=aa/bb*/file*.*c*: step into func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=bb/*.c: step into func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ee/*.c: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ee/*.c: skip func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ee/*.c: step into func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ee/**/*.c: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ee/**/*.c: skip func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ee/**/*.c: skip func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ee/ff/*.c: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ee/ff/*.c: step into func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ee/ff/*.c: skip func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=dd/**/**/*.c: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=dd/**/**/*.c: skip func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=dd/**/**/*.c: skip func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ROOT/aa/bb/*.c: step into func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=true: spec=ROOT/aa/bb/*.c: step into func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=xxx: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=xxx: step into func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=xxx: step into func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=aa/bb*/file*.*c*: step into func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=aa/bb*/file*.*c*: step into func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=bb/*.c: step into func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ee/*.c: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ee/*.c: skip func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ee/*.c: step into func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ee/**/*.c: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ee/**/*.c: skip func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ee/**/*.c: skip func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ee/ff/*.c: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ee/ff/*.c: step into func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ee/ff/*.c: skip func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=dd/**/**/*.c: step into func2
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=dd/**/**/*.c: skip func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=dd/**/**/*.c: skip func4
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ROOT/aa/bb/*.c: step into func3
> FAIL: gdb.base/skip-tree.exp: relative_compile_filenames=false: spec=ROOT/aa/bb/*.c: step into func4
>
>
>          === gdb Summary ===
> # of expected passes        160
> # of unexpected failures    40
>
> Environment details:
> P10 (ppc64le)
> NAME="Fedora Linux"
> VERSION="43 (Server Edition)"
> P9 (ppc64le)
> PRETTY_NAME="Ubuntu 22.04.5 LTS"
> NAME="Ubuntu"
>
> These failures started appearing after the above patch was applied.
> Please let us know if you need additional logs or details.
>
>
> Regards
> Abhay Kandpal