if SLUB is used (SLAB works fine till now with this syscall). What I get with the this trinity command line
$> trinity --children 2 -c madvise for a 32 bit Gentoo Linux (both as host and as guest) and host kernel 3.8.5 and guest kernel 3.9-rc5 is the following : 2013-04-04T19:00:29.220+02:00 trinity kernel: BUG: Bad page map in process trinity-child1 pte:0032d045 pmd:3932e1e1 2013-04-04T19:00:29.220+02:00 trinity kernel: page:0a73f5a0 count:1 mapcount:-1 mapping: (null) index:0x0 2013-04-04T19:00:29.220+02:00 trinity kernel: page flags: 0x404(referenced|reserved) 2013-04-04T19:00:29.220+02:00 trinity kernel: addr:00100000 vm_flags:00040055 anon_vma: (null) mapping: (null) index:100 2013-04-04T19:00:29.220+02:00 trinity kernel: vma->vm_ops->fault: special_mapping_fault+0x0/0x80 2013-04-04T19:00:29.220+02:00 trinity kernel: 413c7d20: [<0836efd8>] dump_stack+0x22/0x24 2013-04-04T19:00:29.220+02:00 trinity kernel: 413c7d38: [<0837039b>] print_bad_pte+0x17b/0x197 2013-04-04T19:00:29.220+02:00 trinity kernel: 413c7d7c: [<080e2c68>] unmap_single_vma+0x268/0x430 2013-04-04T19:00:29.220+02:00 trinity kernel: 413c7ddc: [<080e33f4>] zap_page_range+0x74/0xb0 2013-04-04T19:00:29.220+02:00 trinity kernel: 413c7e10: [<080e172d>] sys_madvise+0x3bd/0x720 2013-04-04T19:00:29.225+02:00 trinity kernel: 413c7eac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-04T19:00:29.225+02:00 trinity kernel: 413c7ef4: [<08076f0d>] userspace+0x46d/0x590 2013-04-04T19:00:29.225+02:00 trinity kernel: 413c7fec: [<080617cc>] fork_handler+0x6c/0x70 2013-04-04T19:00:29.225+02:00 trinity kernel: 413c7ffc: [<00000002>] 0x2 2013-04-04T19:00:29.225+02:00 trinity kernel: 2013-04-04T19:00:29.225+02:00 trinity kernel: Disabling lock debugging due to kernel taint 2013-04-04T19:00:29.225+02:00 trinity kernel: BUG: Bad page state in process trinity-child1 pfn:0032d 2013-04-04T19:00:29.225+02:00 trinity kernel: page:0a73f5a0 count:0 mapcount:-1 mapping: (null) index:0x0 2013-04-04T19:00:29.225+02:00 trinity kernel: page flags: 0x404(referenced|reserved) 2013-04-04T19:00:29.225+02:00 trinity kernel: 413c7cd8: [<0836efd8>] dump_stack+0x22/0x24 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7cf0: [<080cf185>] bad_page+0xb5/0xe0 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7d0c: [<080cf223>] free_pages_prepare+0x73/0xb0 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7d28: [<080d064d>] free_hot_cold_page+0x1d/0x100 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7d50: [<080d2fde>] __put_single_page+0x1e/0x30 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7d64: [<080d3107>] put_page+0x27/0x30 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7d6c: [<080f026c>] free_page_and_swap_cache+0x3c/0x50 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7d7c: [<080e2c85>] unmap_single_vma+0x285/0x430 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7ddc: [<080e33f4>] zap_page_range+0x74/0xb0 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7e10: [<080e172d>] sys_madvise+0x3bd/0x720 2013-04-04T19:00:29.230+02:00 trinity kernel: 413c7eac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-04T19:00:29.234+02:00 trinity kernel: 413c7ef4: [<08076f0d>] userspace+0x46d/0x590 2013-04-04T19:00:29.234+02:00 trinity kernel: 413c7fec: [<080617cc>] fork_handler+0x6c/0x70 2013-04-04T19:00:29.234+02:00 trinity kernel: 413c7ffc: [<00000002>] 0x2 2013-04-04T19:00:29.234+02:00 trinity kernel: 2013-04-04T19:00:30.174+02:00 trinity kernel: BUG: Bad rss-counter state mm:40623600 idx:0 val:-1 -- MfG/Sincerely Toralf Förster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3 ------------------------------------------------------------------------------ Minimize network downtime and maximize team effectiveness. Reduce network management and security costs.Learn how to hire the most talented Cisco Certified professionals. Visit the Employer Resources Portal http://www.cisco.com/web/learning/employer_resources/index.html _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user