Internal Error Signal Sigsegv No Mapping At The Fault Address
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newer) breaks dbx, because dbx doesn't implement the new interface function ps_pbrandname(): % env LC_ALL=C /opt/SUNWspro/bin/dbx -V Sun Dbx Debugger 7.5 2005/10/13 For information about new features see `help changes' To remove this message, put `dbxenv suppress_startup_message 7.5' in your .dbxrc (dbx) debug /bin/date Reading date Reading ld.so.1 dbx: internal error: signal SIGSEGV (no mapping at the fault address) dbx's coredump will appear in /tmp Abbruch (core dumped) % pstack /tmp/core core '/tmp/core' of 4298: /opt/SUNWspro/bin/dbx https://groups.google.com/d/topic/comp.unix.programmer/0jo04SfB5yQ -V ce6189b5 _lwp_kill (1, 6) + 15 ce5d1e12 raise (6) + 22 ce5b0b5d abort (ce6546e0, ce6545c0, ce650000, 0, fffffffe, 303437) + cd 080f6587 ???????? (b, 8045f18, 8045d18) ce6174af __sighndlr (b, 8045f18, 8045d18, 80f6394) + f ce60ccdb call_user_handler (b, 8045f18, 8045d18) + 2b8 ce60ce82 sigacthandler (b, 8045f18, 8045d18) + c2 --- called from http://osdir.com/ml/os.solaris.opensolaris.tools.general/2006-10/msg00034.html signal handler with signal 11 (SIGSEGV) --- ce4957d4 Pgetauxval (84cd8bc, 7e3) + 34 ce488087 Pbrandname (84cd8bc, 8046020, 400) + 23 ce494259 ps_pbrandname (84cd8bc, 8046020, 400) + 21 ce461814 _rd_reset32 (84f50b8, 84ce270, ce474170, ce474000, 0, 8046898) + 284 ce460d50 rd_reset (84f50b8) + 2c ce460de5 rd_new (84cd8bc) + 81 082d377b __1cJRtldAgentEopen6MpnDPcs_pknNps_prochandle__v_ (84ccd50, 84ce270, 84cd8bc) + 63 081aea42 ???????? (8470488) 081aec42 ???????? (8470488) 081af999 __1cHProcMgrFstart6FpnGTarget_bbb_pnEProc__ (83884c0, 1, 0, 0) + 761 081febbc ???????? (83884c0, 8046e48) 081fee80 ???????? (83884c0, 8046e48) 081fe517 __1cNtarg_ppi_init6FpnGTarget_pnHPPIOpts__b_ (83884c0, 8046e48) + 33 080f675f ???????? (83884c0, 8470d98, 8046e48) 080f8816 __1cKmain_debug6FpnGInterp_pc22I_v_ (8470d98, 8493140, 0, 0, 0) + 4d6 0817b72d ???????? (8470d98, 2, 84b0498, 0) 08271bf1 ???????? (8470d98, 84b03b8, 848d710, 84b0490, 0) 08270daa __1cNpdksh_execute6FpnGInterp_pnCop_i_i_ (8470d98, 84b03b8, 0) + 14e 08262882 __1cLpdksh_shell6FpnGInterp_pnGSource__i_ (8470d98, 848dd70) + 36e 080f95c0 __1cNmain_cmd_loop6FpnGInterp__v_ (8470d98) + 9c 080fa0cf main (2, 80470f4, 8047100) + 6cb 080f0e0a _start (2, 8047280, 8047296, 0, 8047299, 80472a2) + 7a Workaround: LD_PRELOAD a shared library into dbx that provides a dummy implem
feature > (snv_49 or newer) breaks dbx, because dbx doesn't implement > the new interface function ps_pbrandname(): > > % env LC_ALL=C /opt/SUNWspro/bin/dbx https://www.mail-archive.com/tools-discuss@opensolaris.org/msg01274.html -V > Sun Dbx Debugger 7.5 2005/10/13 > For information about new features see `help changes' > To remove this message, put `dbxenv suppress_startup_message 7.5' in your > .dbxrc > (dbx) debug /bin/date > Reading date > Reading ld.so.1 > > dbx: internal error: signal SIGSEGV (no mapping at the fault address) > dbx's coredump will appear in internal error /tmp > Abbruch (core dumped) [snip] > > Is there going to be an updated dbx (patch?) available for use with current > opensolaris release? For the log: I filed CR 6516145 ("Please update OS/Net Sun Studio 11 tarball to include the fix for dbx") to get the Sun Studio 11 tarball for OS/Net updated... ---- Bye, Roland internal error signal -- __ . . __ (o.\ \/ /.o) [EMAIL PROTECTED] \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer /O /==\ O\ TEL +49 641 7950090 (;O/ \/ \O;)---BeginMessage--- *Synopsis*: Please update OS/Net Sun Studio 11 tarball to include the fix for dbx http://bt2ws.central.sun.com/CrPrint?id=6516145 *Change Request ID*: 6516145 *Synopsis*: Please update OS/Net Sun Studio 11 tarball to include the fix for dbx Product: solaris Category: opensolaris Subcategory: triage-queue Type: Defect Subtype: Status: 1-Dispatched Substatus: Priority: 2-High Introduced In Release: Introduced In Build: Responsible Manager: [EMAIL PROTECTED] Responsible Engineer: Initial Evaluator: [EMAIL PROTECTED] Keywords: opensolaris === *Description* ============================================================ Category consolidation Sub-Category os-net-gate-tools Description It would be nice to get the Sun Studio 11 tarball for OS/Net (see http://www.opensolaris.org/os/community/tools/sun_studio_tools/sun_studio_11_tools/) updated to include the fix for http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6477975 - currently "dbx" is completely defunct (=dumps core, see below), making debugging of applications within OS/Net very difficult. Frequency Always Regression No Steps to Reproduce 1. Download "Sun Studio 11 for OS/Net"-tarball as described in http://www.opensolaris.org/os/community/tools/sun_studio_tools/sun_studio_11_tools/ 2. Install it 3. Try to debug any application with "dbx" from the official OS/Net Sun Stu