Ok. I've confirmed that my theory was correct, but now I'm seeing the issue described here: https://phab.enlightenment.org/T3097
I'll record all this on the bug report. > On Mar 23, 2016, at 19:19, Simon Lees <sfl...@suse.de> wrote: > > > >> On 03/24/2016 09:45 AM, Eric McCorkle wrote: >> Ok, I cracked it. >> >> modules/cpufreq/e_mod_main.c >> >> In _cpufreq_face_update_available >> >> If count is 0, then you get an integer underflow and end up passing a huge >> number to malloc. The code probably ought to check for 0 and do nothing in >> that case. >> >> It looks like there is a little suid program that reads the frequency, and >> my system is set up with nosuid on the lib directory. That's one theory as >> to why this problem emerges with ZFS. I'll try turning off nosuid and see >> what happens. > > It would probably be helpful if the issue was tracked on a bug report at > phab.enlightenment.org > > >>> On March 23, 2016 5:23:46 PM EDT, Quelrond <quelr...@gmail.com> wrote: >>> To build FreeBSD port with debug symbols: >>> >>> # make WITH_DEBUG=yes >>> >>> >>> That's how I proceeded to get detailed backtrace for phab ticket. >>> >>> Peter >>> >>> >>>> On 03/23/2016 19:16, Eric McCorkle wrote: >>>> I couldn't seem to track down where the allocation is happening >>> there. I also couldn't get the freebsd port build to do debug builds. >>>> >>>> I'm going to try good old printf debugging tonight to get to the >>> bottom of it. >>>> >>>> On March 23, 2016 11:50:14 AM EDT, Miguel C <miguelmcl...@gmail.com> >>> wrote: >>>>> On Wed, Mar 23, 2016 at 1:14 PM, Eric McCorkle >>> <e...@metricspace.net> >>>>> wrote: >>>>> >>>>>> A possible root cause: ZFS allows for noexec and nosuid options on >>>>> file >>>>>> systems. I believe the freebsd installer sets them by default, so >>> if >>>>>> you're storing executables in places other than bin/ directories, >>>>> that >>>>>> could be part of the problem. >>>>> True, but that's not the "default" case, exec is set to "on" on all >>> the >>>>> datasets and noexec/nosuid are not present. And if that was the case >>> I >>>>> guess we would see some related error, but what do I know :P >>>>> >>>>> However: >>>>> "Above that is what basically comes down to a trace of freebsd >>> malloc >>>>> for >>>>> an impossibly huge block (size 34359738376). Looks like something >>> in >>>>> e_modapi_save is allocating bad-sized blocks." >>>>> >>>>> maybe e_modapi_save just doesn't do this well for zfs, but just >>>>> guessing, >>>>> I'm not a C coder :| >>> ------------------------------------------------------------------------------ >>>>> Transform Data into Opportunity. >>>>> Accelerate data analysis in your applications with >>>>> Intel Data Analytics Acceleration Library. >>>>> Click to learn more. >>>>> http://pubads.g.doubleclick.net/gampad/clk?id=278785351&iu=/4140 >>>>> _______________________________________________ >>>>> enlightenment-users mailing list >>>>> enlightenment-users@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/enlightenment-users >>> >>> >>> ------------------------------------------------------------------------------ >>> Transform Data into Opportunity. >>> Accelerate data analysis in your applications with >>> Intel Data Analytics Acceleration Library. >>> Click to learn more. >>> http://pubads.g.doubleclick.net/gampad/clk?id=278785351&iu=/4140 >>> _______________________________________________ >>> enlightenment-users mailing list >>> enlightenment-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/enlightenment-users > > ------------------------------------------------------------------------------ > Transform Data into Opportunity. > Accelerate data analysis in your applications with > Intel Data Analytics Acceleration Library. > Click to learn more. > http://pubads.g.doubleclick.net/gampad/clk?id=278785351&iu=/4140 > _______________________________________________ > enlightenment-users mailing list > enlightenment-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/enlightenment-users ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785351&iu=/4140 _______________________________________________ enlightenment-users mailing list enlightenment-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-users
