Got it for the first time. Actually, am doing something really unusual (http://bugs.python.org/issue18843).
Am looking for an answer why I suffer memory corruption in python applicatuons. So I installed DUMA from http://duma.sourceforge.net and tried to recompile&reinstall failing python. In previous attempt it exited and per README instructions I increased the vm.max_map_count value. # export LD_PRELOAD=/usr/lib64/libduma.so.0.0.0 # sysctl -w vm.max_map_count=1000000 # emerge dev-lang/python:2.7 DUMA 2.5.15 (shared library, NO_LEAKDETECTION) Copyright (C) 2006 Michael Eddington <medding...@gmail.com> Copyright (C) 2002-2008 Hayati Ayguen <h_ayg...@web.de>, Procitec GmbH Copyright (C) 1987-1999 Bruce Perens <br...@perens.com> * IMPORTANT: 11 news items need reading for repository 'gentoo'. * Use eselect news to read news items. * IMPORTANT: config file '5 (shared library, NO_LEAKDETECTION) Copyright (C) 2006 Michael Eddington <medding...@gmail.com> Copyright (C) 2002-2008 Hayati Ayguen <h_ayg...@web.de>, Procitec GmbH Copyright (C) 1987-1999 Bruce Perens <br...@perens.com> ' needs updating. * See the CONFIGURATION FILES section of the emerge * man page to learn how to update config files. Calculating dependencies | DUMA Aborting: mprotect() failed: Cannot allocate memory. Check README section 'MEMORY USAGE AND EXECUTION SPEED' if your (Linux) system may limit the number of different page mappings per process [and it crashed, no ctrl+c working] Sorry do not know what to say more. I just crashed teh kernel but except the Ooops it works so far. The core filesize is zero. Martin Greg KH wrote: > On Thu, Aug 29, 2013 at 11:46:18PM +0200, Martin MOKREJŠ wrote: >> Hi, >> I just got this stacktrace. Not sure whom to send it, poking throu >> MAINTAINERS >> file and looking for ELF gave me nothing. ;-) >> >> [105670.434336] BUG: unable to handle kernel NULL pointer dereference at >> (null) >> [105670.434366] IP: [<ffffffff812f7b42>] strlen+0x2/0x20 >> [105670.434385] PGD 18c8e5067 PUD 2b547e067 PMD 0 >> [105670.434401] Oops: 0000 [#1] SMP >> [105670.434413] Modules linked in: iwldvm iwlwifi >> [105670.434432] CPU: 0 PID: 7497 Comm: emerge Not tainted >> 3.10.9-default-pciehp #8 > > Is this reproducable? > > thanks, > > greg k-h > -- Martin Mokrejs, Ph.D. Bioinformatics Donovalska 1658 149 00 Prague Czech Republic http://www.iresite.org http://www.iresite.org/~mmokrejs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/