Mike Gerdts wrote: > On Fri, Sep 19, 2008 at 12:22 AM, Alfred Peng <[EMAIL PROTECTED]> wrote: > >> Mike Gerdts wrote: >> >>> On Thu, Sep 18, 2008 at 9:57 PM, Alfred Peng <[EMAIL PROTECTED]> wrote: >>> >>>> Hi guys, >>>> >>>> Here is a core stack from running "Songbird --version" on JDS Nevada b99: >>>> >>>> bash-3.2$ songbird --version >>>> POTI, Inc. Songbird 0.7.0, Copyright(c) 2005-2008 POTI, Inc. >>>> Segmentation Fault (core dumped) >>>> bash-3.2$ pstack core >>>> core 'core' of 2911: songbird --version >>>> fecb617b findenv (808f324, fef7aa18, 1, 8046fb4) + 54 >>>> fecb6623 getenv (fef7aa18) + 31 >>>> fef78c17 dprintf (1, fef7a864, 0) + 27 >>>> fef78f54 dtrace_dof_fini (feffb7dc, fefb0620, fef79074, 8047044, >>>> >>>> >>> For this to happen, it looks as though songbird must have whacked the >>> environment - perhaps unintentionally. >>> >>> >>> http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/lib/libdtrace/common/drti.c#66 >>> >>> It would seem to make sense for drti.c to read all of the environment >>> variables during dof_init() and store them in static global variables. >>> It doesn't change the fact that the app is quite likely buggy but it >>> does keep the blame from being put in the wrong place. >>> >> Hi Mike, >> >> Thanks for the reply. >> >> Just tried to set DTRACE_DOF_INIT_DEBUG and rerun the command: >> >> bash-3.2$ songbird --version >> dtrace DOF libCrun.so.1: DTrace ioctl succeeded for DOF at fef7aa68 >> dtrace DOF libmozjs.so: DTrace ioctl succeeded for DOF at fec0eb30 >> POTI, Inc. Songbird 0.7.0, Copyright(c) 2005-2008 POTI, Inc. >> dtrace DOF libmozjs.so: DTrace ioctl removed DOF (0) >> Segmentation Fault (core dumped) >> > > What does "pargs -ae core" say? It would probably be easiest to read > if you can reproduce with the following: > > $ env -i PATH=$PATH songbird --version bash-3.2$ env -i PATH=$PATH songbird --version POTI, Inc. Songbird 0.7.0, Copyright(c) 2005-2008 POTI, Inc. Segmentation Fault (core dumped) bash-3.2$ pargs -ae core core 'core' of 3606: songbird --version argv[0]: songbird argv[1]: <NULL>
envp[0]: <0xfe38aea9> envp[1]: PATH=/usr/bin:/usr/openwin/bin:/usr/ucb Thanks, -Alfred _______________________________________________ dtrace-discuss mailing list [email protected]
