On 03/13/2013 11:15 AM, richard -rw- weinberger wrote: > Do you see this with both slub and slab?
With SLAB however (UML kernel v3.9-rc2-188-g6c23cbb-slab) I see those things : 2013-03-13T21:30:01.000+01:00 trinity cron[1142]: (root) CMD (test -x /usr/sbin/run-crons && /usr/sbin/run-crons) 2013-03-13T21:32:34.763+01:00 trinity kernel: trinity-watchdo[1165]: segfault at 42c ip 0804c5b6 sp bf90d38c error 4 in trinity[8048000+16000] 2013-03-13T21:34:23.270+01:00 trinity kernel: BUG: Bad page map in process trinity-child0 pte:002fd045 pmd:2ec4c1e1 2013-03-13T21:34:23.270+01:00 trinity kernel: page:0a638fa0 count:1 mapcount:-1 mapping: (null) index:0x0 2013-03-13T21:34:23.270+01:00 trinity kernel: page flags: 0x400(reserved) 2013-03-13T21:34:23.270+01:00 trinity kernel: addr:00100000 vm_flags:00060055 anon_vma: (null) mapping: (null) index:100 2013-03-13T21:34:23.270+01:00 trinity kernel: vma->vm_ops->fault: special_mapping_fault+0x0/0x80 2013-03-13T21:34:23.270+01:00 trinity kernel: 36c9fd1c: [<0833fa68>] dump_stack+0x22/0x24 2013-03-13T21:34:23.270+01:00 trinity kernel: 36c9fd34: [<08340e21>] print_bad_pte+0x17b/0x197 2013-03-13T21:34:23.270+01:00 trinity kernel: 36c9fd78: [<080e5368>] unmap_single_vma+0x268/0x430 2013-03-13T21:34:23.270+01:00 trinity kernel: 36c9fdd8: [<080e5a67>] unmap_vmas+0x37/0x50 2013-03-13T21:34:23.270+01:00 trinity kernel: 36c9fdf4: [<080e8ba0>] unmap_region+0x80/0xe0 2013-03-13T21:34:23.271+01:00 trinity kernel: 36c9fe30: [<080ea8a1>] do_munmap+0x231/0x2a0 2013-03-13T21:34:23.271+01:00 trinity kernel: 36c9fe68: [<080ecd28>] sys_mremap+0x248/0x480 2013-03-13T21:34:23.271+01:00 trinity kernel: 36c9feac: [<08062a82>] handle_syscall+0x82/0xb0 2013-03-13T21:34:23.271+01:00 trinity kernel: 36c9fef4: [<08074d9d>] userspace+0x46d/0x590 2013-03-13T21:34:23.271+01:00 trinity kernel: 36c9ffec: [<0805f7bc>] fork_handler+0x6c/0x70 2013-03-13T21:34:23.271+01:00 trinity kernel: 36c9fffc: [<00000000>] 0x0 2013-03-13T21:34:23.271+01:00 trinity kernel: 2013-03-13T21:34:23.271+01:00 trinity kernel: Disabling lock debugging due to kernel taint 2013-03-13T21:34:23.271+01:00 trinity kernel: BUG: Bad page state in process trinity-child0 pfn:002fd 2013-03-13T21:34:23.271+01:00 trinity kernel: page:0a638fa0 count:0 mapcount:-1 mapping: (null) index:0x0 2013-03-13T21:34:23.272+01:00 trinity kernel: page flags: 0x400(reserved) 2013-03-13T21:34:23.272+01:00 trinity kernel: 36c9fcd8: [<0833fa68>] dump_stack+0x22/0x24 2013-03-13T21:34:23.272+01:00 trinity kernel: 36c9fcf0: [<080d1a05>] bad_page+0xb5/0xe0 2013-03-13T21:34:23.272+01:00 trinity kernel: 36c9fd0c: [<080d1aa3>] free_pages_prepare+0x73/0xb0 2013-03-13T21:34:23.272+01:00 trinity kernel: 36c9fd28: [<080d2ebd>] free_hot_cold_page+0x1d/0xf0 2013-03-13T21:34:23.272+01:00 trinity kernel: 36c9fd4c: [<080d566e>] __put_single_page+0x1e/0x30 2013-03-13T21:34:23.272+01:00 trinity kernel: 36c9fd60: [<080d5967>] put_page+0x27/0x30 2013-03-13T21:34:23.272+01:00 trinity kernel: 36c9fd68: [<080f28dc>] free_page_and_swap_cache+0x3c/0x50 2013-03-13T21:34:23.272+01:00 trinity kernel: 36c9fd78: [<080e5385>] unmap_single_vma+0x285/0x430 2013-03-13T21:34:23.272+01:00 trinity kernel: 36c9fdd8: [<080e5a67>] unmap_vmas+0x37/0x50 2013-03-13T21:34:23.273+01:00 trinity kernel: 36c9fdf4: [<080e8ba0>] unmap_region+0x80/0xe0 2013-03-13T21:34:23.273+01:00 trinity kernel: 36c9fe30: [<080ea8a1>] do_munmap+0x231/0x2a0 2013-03-13T21:34:23.273+01:00 trinity kernel: 36c9fe68: [<080ecd28>] sys_mremap+0x248/0x480 2013-03-13T21:34:23.273+01:00 trinity kernel: 36c9feac: [<08062a82>] handle_syscall+0x82/0xb0 2013-03-13T21:34:23.273+01:00 trinity kernel: 36c9fef4: [<08074d9d>] userspace+0x46d/0x590 2013-03-13T21:34:23.273+01:00 trinity kernel: 36c9ffec: [<0805f7bc>] fork_handler+0x6c/0x70 2013-03-13T21:34:23.273+01:00 trinity kernel: 36c9fffc: [<00000000>] 0x0 2013-03-13T21:34:23.273+01:00 trinity kernel: 2013-03-13T21:34:23.273+01:00 trinity kernel: BUG: Bad page map in process trinity-child0 pte:2ed45045 pmd:2ec4c1e1 2013-03-13T21:34:23.273+01:00 trinity kernel: page:0ac0d8a0 count:1 mapcount:-1 mapping: (null) index:0x0 2013-03-13T21:34:23.275+01:00 trinity kernel: page flags: 0x0() 2013-03-13T21:34:23.275+01:00 trinity kernel: addr:00101000 vm_flags:00060055 anon_vma: (null) mapping: (null) index:101 2013-03-13T21:34:23.275+01:00 trinity kernel: vma->vm_ops->fault: special_mapping_fault+0x0/0x80 2013-03-13T21:34:23.275+01:00 trinity kernel: 36c9fd1c: [<0833fa68>] dump_stack+0x22/0x24 2013-03-13T21:34:23.275+01:00 trinity kernel: 36c9fd34: [<08340e21>] print_bad_pte+0x17b/0x197 2013-03-13T21:34:23.275+01:00 trinity kernel: 36c9fd78: [<080e5368>] unmap_single_vma+0x268/0x430 2013-03-13T21:34:23.275+01:00 trinity kernel: 36c9fdd8: [<080e5a67>] unmap_vmas+0x37/0x50 2013-03-13T21:34:23.275+01:00 trinity kernel: 36c9fdf4: [<080e8ba0>] unmap_region+0x80/0xe0 2013-03-13T21:34:23.275+01:00 trinity kernel: 36c9fe30: [<080ea8a1>] do_munmap+0x231/0x2a0 2013-03-13T21:34:23.275+01:00 trinity kernel: 36c9fe68: [<080ecd28>] sys_mremap+0x248/0x480 2013-03-13T21:34:23.276+01:00 trinity kernel: 36c9feac: [<08062a82>] handle_syscall+0x82/0xb0 2013-03-13T21:34:23.276+01:00 trinity kernel: 36c9fef4: [<08074d9d>] userspace+0x46d/0x590 2013-03-13T21:34:23.276+01:00 trinity kernel: 36c9ffec: [<0805f7bc>] fork_handler+0x6c/0x70 2013-03-13T21:34:23.276+01:00 trinity kernel: 36c9fffc: [<00000000>] 0x0 2013-03-13T21:34:23.276+01:00 trinity kernel: 2013-03-13T21:34:23.276+01:00 trinity kernel: BUG: Bad page state in process trinity-child0 pfn:2ed45 2013-03-13T21:34:23.276+01:00 trinity kernel: page:0ac0d8a0 count:0 mapcount:-1 mapping: (null) index:0x0 2013-03-13T21:34:23.276+01:00 trinity kernel: page flags: 0x0() 2013-03-13T21:34:23.276+01:00 trinity kernel: 36c9fcd8: [<0833fa68>] dump_stack+0x22/0x24 2013-03-13T21:34:23.276+01:00 trinity kernel: 36c9fcf0: [<080d1a05>] bad_page+0xb5/0xe0 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fd0c: [<080d1aa3>] free_pages_prepare+0x73/0xb0 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fd28: [<080d2ebd>] free_hot_cold_page+0x1d/0xf0 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fd4c: [<080d566e>] __put_single_page+0x1e/0x30 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fd60: [<080d5967>] put_page+0x27/0x30 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fd68: [<080f28dc>] free_page_and_swap_cache+0x3c/0x50 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fd78: [<080e5385>] unmap_single_vma+0x285/0x430 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fdd8: [<080e5a67>] unmap_vmas+0x37/0x50 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fdf4: [<080e8ba0>] unmap_region+0x80/0xe0 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fe30: [<080ea8a1>] do_munmap+0x231/0x2a0 2013-03-13T21:34:23.277+01:00 trinity kernel: 36c9fe68: [<080ecd28>] sys_mremap+0x248/0x480 2013-03-13T21:34:23.279+01:00 trinity kernel: 36c9feac: [<08062a82>] handle_syscall+0x82/0xb0 2013-03-13T21:34:23.279+01:00 trinity kernel: 36c9fef4: [<08074d9d>] userspace+0x46d/0x590 2013-03-13T21:34:23.279+01:00 trinity kernel: 36c9ffec: [<0805f7bc>] fork_handler+0x6c/0x70 2013-03-13T21:34:23.279+01:00 trinity kernel: 36c9fffc: [<00000000>] 0x0 2013-03-13T21:34:23.279+01:00 trinity kernel: 2013-03-13T21:34:23.279+01:00 trinity kernel: Stub registers - 2013-03-13T21:34:23.279+01:00 trinity kernel: 0 - 100000 2013-03-13T21:34:23.279+01:00 trinity kernel: 1 - 2000 2013-03-13T21:34:23.279+01:00 trinity kernel: 2 - 0 2013-03-13T21:34:23.279+01:00 trinity kernel: 3 - 0 2013-03-13T21:34:23.280+01:00 trinity kernel: 4 - 0 2013-03-13T21:34:23.280+01:00 trinity kernel: 5 - 0 2013-03-13T21:34:23.280+01:00 trinity kernel: 6 - 0 2013-03-13T21:34:23.280+01:00 trinity kernel: 7 - 7b 2013-03-13T21:34:23.280+01:00 trinity kernel: 8 - 7b 2013-03-13T21:34:23.280+01:00 trinity kernel: 9 - 0 2013-03-13T21:34:23.280+01:00 trinity kernel: 10 - 33 2013-03-13T21:34:23.280+01:00 trinity kernel: 11 - ffffffff 2013-03-13T21:34:23.280+01:00 trinity kernel: 12 - 1000c3 2013-03-13T21:34:23.280+01:00 trinity kernel: 13 - 73 2013-03-13T21:34:23.282+01:00 trinity kernel: 14 - 10206 2013-03-13T21:34:23.282+01:00 trinity kernel: 15 - 101028 2013-03-13T21:34:23.282+01:00 trinity kernel: 16 - 7b 2013-03-13T21:34:23.282+01:00 trinity kernel: wait_stub_done : failed to wait for SIGTRAP, pid = 731, n = 731, errno = 0, status = 0xb7f -- MfG/Sincerely Toralf Förster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3 ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
