Just for completeness, if SLAB is chosen (SLUB issues are already reported) then with host kernel 3.8.6 and guest kernel 3.9-rc6-xxx and 32bit stable Gentoo Linux both for host and guest sometimes that warning is chosen. The tool trinity tries to avoid the syscall exit_group but that seems to be triggered nevertheless.
2013-04-11T20:38:20.925+02:00 trinity kernel: ------------[ cut here ]------------ 2013-04-11T20:38:20.925+02:00 trinity kernel: WARNING: at mm/mmap.c:2702 exit_mmap+0x161/0x170() 2013-04-11T20:38:20.925+02:00 trinity kernel: 3ee73d90: [<0836d388>] dump_stack+0x22/0x24 2013-04-11T20:38:20.925+02:00 trinity kernel: 3ee73da8: [<0807f0da>] warn_slowpath_common+0x5a/0x80 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73dd0: [<0807f1a3>] warn_slowpath_null+0x23/0x30 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73de0: [<080e8ce1>] exit_mmap+0x161/0x170 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73e18: [<0807ccd9>] mmput+0x39/0x90 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73e2c: [<08083df0>] do_exit+0x2d0/0x820 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73e7c: [<08084417>] do_group_exit+0x97/0xe0 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73ea0: [<08084479>] sys_exit_group+0x19/0x20 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73eac: [<08064a52>] handle_syscall+0x82/0xb0 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73ef4: [<08076e2d>] userspace+0x46d/0x590 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73fec: [<080617bc>] fork_handler+0x6c/0x70 2013-04-11T20:38:20.927+02:00 trinity kernel: 3ee73ffc: [<00000000>] 0x0 2013-04-11T20:38:20.930+02:00 trinity kernel: 2013-04-11T20:38:20.930+02:00 trinity kernel: ---[ end trace cba01caf050f6b66 ]--- -- MfG/Sincerely Toralf Förster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3 ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
