New failures on Power9/Power10 after '**' skip glob patch

Abhay Kandpal
2026-04-02T14:38:16Z

[-- Attachment #1: Type: text/plain, Size: 4468 bytes --]

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

[-- Attachment #2: Type: text/html, Size: 5579 bytes --]