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

Andrew Burgess
2026-04-16T16:22:59Z

Abhay Kandpal <abhay@linux.ibm.com> writes:

> 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

Sorry I missed this message. I've followed up to your patch.

Thanks,
Andrew

>
> 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