The following issue at a guest kernel using current v3.9-rc6-186-g5b55d70 guest kernel and 3.8.7 host kernel (both 32 bit Gentoo Linux) can repeatable be triggered:
2013-04-14T15:04:00.366+02:00 trinity kernel: BUG: Bad page map in process trinity-child3 pte:0032a045 pmd:358ca1e1 2013-04-14T15:04:00.366+02:00 trinity kernel: page:09b29540 count:1 mapcount:-1 mapping: (null) index:0x0 2013-04-14T15:04:00.366+02:00 trinity kernel: page flags: 0x404(referenced|reserved) 2013-04-14T15:04:00.366+02:00 trinity kernel: addr:00100000 vm_flags:00060055 anon_vma: (null) mapping: (null) index:100 2013-04-14T15:04:00.366+02:00 trinity kernel: vma->vm_ops->fault: special_mapping_fault+0x0/0x80 2013-04-14T15:04:00.366+02:00 trinity kernel: 3d8cfd20: [<0836d3b8>] dump_stack+0x22/0x24 2013-04-14T15:04:00.366+02:00 trinity kernel: 3d8cfd38: [<0836e796>] print_bad_pte+0x17b/0x197 2013-04-14T15:04:00.366+02:00 trinity kernel: 3d8cfd7c: [<080e2918>] unmap_single_vma+0x268/0x430 2013-04-14T15:04:00.366+02:00 trinity kernel: 3d8cfddc: [<080e30a4>] zap_page_range+0x74/0xb0 2013-04-14T15:04:00.366+02:00 trinity kernel: 3d8cfe10: [<080e13ed>] sys_madvise+0x3bd/0x720 2013-04-14T15:04:00.367+02:00 trinity kernel: 3d8cfeac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-14T15:04:00.367+02:00 trinity kernel: 3d8cfef4: [<08076e6d>] userspace+0x46d/0x590 2013-04-14T15:04:00.367+02:00 trinity kernel: 3d8cffec: [<080617bc>] fork_handler+0x6c/0x70 2013-04-14T15:04:00.367+02:00 trinity kernel: 3d8cfffc: [<00000000>] 0x0 2013-04-14T15:04:00.367+02:00 trinity kernel: 2013-04-14T15:04:00.367+02:00 trinity kernel: Disabling lock debugging due to kernel taint 2013-04-14T15:04:00.367+02:00 trinity kernel: BUG: Bad page state in process trinity-child3 pfn:0032a 2013-04-14T15:04:00.367+02:00 trinity kernel: page:09b29540 count:0 mapcount:-1 mapping: (null) index:0x0 2013-04-14T15:04:00.367+02:00 trinity kernel: page flags: 0x404(referenced|reserved) 2013-04-14T15:04:00.367+02:00 trinity kernel: 3d8cfcd8: [<0836d3b8>] dump_stack+0x22/0x24 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfcf0: [<080cee75>] bad_page+0xb5/0xe0 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfd0c: [<080cef13>] free_pages_prepare+0x73/0xb0 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfd28: [<080d033d>] free_hot_cold_page+0x1d/0x100 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfd50: [<080d2cee>] __put_single_page+0x1e/0x30 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfd64: [<080d2e17>] put_page+0x27/0x30 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfd6c: [<080eff4c>] free_page_and_swap_cache+0x3c/0x50 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfd7c: [<080e2935>] unmap_single_vma+0x285/0x430 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfddc: [<080e30a4>] zap_page_range+0x74/0xb0 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfe10: [<080e13ed>] sys_madvise+0x3bd/0x720 2013-04-14T15:04:00.369+02:00 trinity kernel: 3d8cfeac: [<08064a92>] handle_syscall+0x82/0xb0 2013-04-14T15:04:00.371+02:00 trinity kernel: 3d8cfef4: [<08076e6d>] userspace+0x46d/0x590 2013-04-14T15:04:00.371+02:00 trinity kernel: 3d8cffec: [<080617bc>] fork_handler+0x6c/0x70 2013-04-14T15:04:00.371+02:00 trinity kernel: 3d8cfffc: [<00000000>] 0x0 2013-04-14T15:04:00.371+02:00 trinity kernel: 2013-04-14T15:04:01.475+02:00 trinity kernel: BUG: Bad rss-counter state mm:3d8bbd00 idx:0 val:-1 -- 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
