From: Florian Weimer <fweimer@redhat.com>
To: Szabolcs Nagy <szabolcs.nagy@arm.com>
Cc: Pedro Alves <palves@redhat.com>,
gdb-patches@sourceware.org,
Florian Weimer via Libc-alpha <libc-alpha@sourceware.org>
Subject: Re: [PATCH v3] nptl_db: Support different libpthread/ld.so load orders (bug 27744)
Date: Thu, 22 Apr 2021 13:55:54 +0200 [thread overview]
Message-ID: <87pmymildh.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <20210422094808.GJ9028@arm.com> (Szabolcs Nagy's message of "Thu, 22 Apr 2021 10:48:09 +0100")
* Szabolcs Nagy:
> The 04/22/2021 10:05, Szabolcs Nagy via Gdb-patches wrote:
>> The 04/22/2021 10:33, Florian Weimer wrote:
>> > * Szabolcs Nagy:
>> > > on the aarch64 buildbot i see
>> > >
>> > > FAIL: nptl/tst-pthread-gdb-attach
>> > >
>> > > $ cat nptl/tst-pthread-gdb-attach.out
>> > > +set debug libthread-db 1
>> > > +add-symbol-file /work/glibc-aarch64-linux/build/build/nptl/tst-pthread-gdb-attach
>> > > add symbol table from file "/work/glibc-aarch64-linux/build/build/nptl/tst-pthread-gdb-attach"
>> > > +set auto-load safe-path /work/glibc-aarch64-linux/build/build/nptl_db
>> > > +set libthread-db-search-path /work/glibc-aarch64-linux/build/build/nptl_db
>> > > +attach 461328
>> > > [New LWP 461329]
>> > > Trying host libthread_db library: /work/glibc-aarch64-linux/build/build/nptl_db/libthread_db.so.1.
>> > > td_ta_new failed: application not linked with libthread
>> > > thread_db_load_search returning 0
>> >
>> > Unfortunately I cannot reproduce this with binutils 2.30, GDB 8.2 and
>> > GCC 8.4.1. Has your environment newer or older versions?
>>
>> ubuntu flavour of
>>
>> gcc 8.2.0
>> binutils 2.31.1
>> gdb 8.2
>>
>> happens on armhf and aarch64 too.
>
> happens with gcc-10.2.0, gdb-9.2, binutils-2.34 too
> (still ubuntu)
Still no luck with binutils 2.35.1, a GCC 11 snapshot, and GDB 10.1.
Do you run this test as a regular user? Could it be caused by YAMA
ptrace policies?
Thanks,
Florian
next prev parent reply other threads:[~2021-04-22 11:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-19 10:40 Florian Weimer
2021-04-21 11:47 ` Florian Weimer
2021-04-21 22:35 ` H.J. Lu
2021-04-22 9:29 ` Florian Weimer
2021-04-22 7:28 ` Szabolcs Nagy
2021-04-22 8:33 ` Florian Weimer
2021-04-22 9:05 ` Szabolcs Nagy
2021-04-22 9:48 ` Szabolcs Nagy
2021-04-22 11:55 ` Florian Weimer [this message]
2021-04-22 12:44 ` Szabolcs Nagy
2021-04-22 14:20 ` Szabolcs Nagy
2021-04-22 14:25 ` Florian Weimer
2021-04-22 15:30 ` Szabolcs Nagy
2021-04-22 15:39 ` Florian Weimer
2021-04-22 17:22 ` H.J. Lu
2021-04-22 17:56 ` Florian Weimer
2021-04-22 18:27 ` H.J. Lu
2021-04-22 14:34 ` H.J. Lu
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