Date: Mon, 27 Aug 2012 17:53:49 +0200 From: Hans Ottevanger <hans@beastielabs.net> To: Luca Pizzamiglio <luca.pizzamiglio@gmail.com> Cc: freebsd-ports@freebsd.org, Andriy Gapon <avg@freebsd.org> Subject: Re: gdb75 dumps core on startup Message-ID: <503B980D.5060509@beastielabs.net> In-Reply-To: <CAB88xy_ENQJ6QgiHBtadd=OpxipwjX41ym%2Bpp0jV=guMfKj3-A@mail.gmail.com> References: <503B7E3B.9010306@FreeBSD.org> <503B8B68.50405@beastielabs.net> <CAB88xy_ENQJ6QgiHBtadd=OpxipwjX41ym%2Bpp0jV=guMfKj3-A@mail.gmail.com>
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On 08/27/12 17:06, Luca Pizzamiglio wrote: > Hi, > Hans : have you tried the patch included here ports/171109? With that patch gdb75 comes back to life again on amd64, and stops spewing weird messages while starting up on both amd64 and i386. If I stumble over more issues I will let you know. Thanks for your reply. Kind regards, Hans > Andriy: thanks for the report, I create a patch for that as soon as I can! > > Regards, > Luca > > On Mon, Aug 27, 2012 at 4:59 PM, Hans Ottevanger <hans@beastielabs.net> wrote: >> On 08/27/12 16:03, Andriy Gapon wrote: >>> >>> Program terminated with signal 11, Segmentation fault >>> ... >>> #0 0x00000000004777e2 in i386_use_watchpoints () >>> #1 0x0000000000476bbd in _initialize_amd64fbsd_nat () >>> #2 0x000000000060deea in initialize_all_files () >>> #3 0x00000000005e710f in gdb_init () >>> #4 0x0000000000549086 in relocate_gdb_directory () >>> #5 0x0000000000547aa4 in catch_errors () >>> #6 0x0000000000548bb4 in gdb_main () >>> #7 0x0000000000457ea9 in main () >>> >>> This is on amd64 head. >>> >> >> I can confirm that this happens on my not so recent 10-CURRENT (r239353), >> also amd64. >> >> I see a similar issue on 8.3-STABLE (r239646) on amd64: >> >> $ gdb75 ./a.out >> [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: >> Undefined symbol "ps_pglobal_lookup"] >> Segmentation fault: 11 (core dumped) >> >> while on i386 gcc75 works OK, but I see: >> >> $ gdb75 ./a.out >> [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: >> Undefined symbol "ps_pglobal_lookup"] >> GNU gdb (GDB) 7.5 [GDB v7.5 for FreeBSD] >> Copyright (C) 2012 Free Software Foundation, Inc. >> License GPLv3+: GNU GPL version 3 or later >> <http://gnu.org/licenses/gpl.html> >> This is free software: you are free to change and redistribute it. >> There is NO WARRANTY, to the extent permitted by law. Type "show copying" >> and "show warranty" for details. >> This GDB was configured as "i386-portbld-freebsd8.3". >> For bug reporting instructions, please see: >> <http://www.gnu.org/software/gdb/bugs/>... >> Reading symbols from /home/hans/a.out...done. >> (gdb) >> >> I do not know if the message about the undefined symbol is related to the >> issue at hand. The previous version (gcc741) did not show this message and >> functioned perfectly, also on amd64. >> >> Kind regards, >> >> Hans >
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