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Created attachment 828369 [details] dmesg output Description of problem: $ uname -a Linux localhost.localdomain 3.12.0-2.fc21.x86_64+debug #1 SMP Sat Nov 9 21:12:03 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux [28969.527047] ============================================================================= [28969.527050] BUG bio-0 (Not tainted): Poison overwritten [28969.527051] ----------------------------------------------------------------------------- [28969.527052] Disabling lock debugging due to kernel taint [28969.527054] INFO: 0xffff8801037cd071-0xffff8801037cd071. First byte 0xeb instead of 0x6b [28969.527057] INFO: Allocated in mempool_alloc_slab+0x15/0x20 age=7704 cpu=3 pid=9558 [28969.527060] __slab_alloc+0x3eb/0x4fe [28969.527062] kmem_cache_alloc+0x294/0x340 [28969.527063] mempool_alloc_slab+0x15/0x20 [28969.527064] mempool_alloc+0x5c/0x150 [28969.527067] bio_alloc_bioset+0x196/0x2a0 [28969.527068] mpage_alloc+0x2f/0x90 [28969.527070] do_mpage_readpage+0x2f8/0x680 [28969.527071] mpage_readpages+0xdb/0x130 [28969.527074] ext4_readpages+0x3a/0x50 [28969.527075] __do_page_cache_readahead+0x2d2/0x370 [28969.527076] force_page_cache_readahead+0x79/0xc0 [28969.527078] SyS_fadvise64_64+0x1b3/0x250 [28969.527079] SyS_fadvise64+0xe/0x10 [28969.527081] system_call_fastpath+0x16/0x1b [28969.527082] INFO: Freed in mempool_free_slab+0x17/0x20 age=7621 cpu=7 pid=0 [28969.527084] __slab_free+0x3a/0x382 [28969.527085] kmem_cache_free+0x356/0x370 [28969.527086] mempool_free_slab+0x17/0x20 [28969.527087] mempool_free+0x49/0x90 [28969.527089] bio_put+0x7d/0xa0 [28969.527090] mpage_end_io+0x8d/0xb0 [28969.527091] bio_endio+0x1d/0x30 [28969.527093] blk_update_request+0xc2/0x610 [28969.527094] blk_update_bidi_request+0x1c/0x80 [28969.527095] blk_end_bidi_request+0x1f/0x60 [28969.527096] blk_end_request+0x10/0x20 [28969.527099] scsi_io_completion+0xf1/0x640 [28969.527100] scsi_finish_command+0xb0/0x110 [28969.527101] scsi_softirq_done+0x12f/0x160 [28969.527103] blk_done_softirq+0x90/0xb0 [28969.527105] __do_softirq+0x107/0x410 [28969.527106] INFO: Slab 0xffffea00040df300 objects=28 used=28 fp=0x (null) flags=0x5ff00000004080 [28969.527107] INFO: Object 0xffff8801037ccfc0 @offset=4032 fp=0xffff8801037cf3c0 [28969.527108] Bytes b4 ffff8801037ccfb0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527109] Object ffff8801037ccfc0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527110] Object ffff8801037ccfd0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527111] Object ffff8801037ccfe0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527112] Object ffff8801037ccff0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527113] Object ffff8801037cd000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527114] Object ffff8801037cd010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527115] Object ffff8801037cd020: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527115] Object ffff8801037cd030: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527116] Object ffff8801037cd040: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527117] Object ffff8801037cd050: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527118] Object ffff8801037cd060: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [28969.527119] Object ffff8801037cd070: 6b eb 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 k.kkkkkkkkkkkkk. [28969.527120] Redzone ffff8801037cd080: bb bb bb bb bb bb bb bb ........ [28969.527121] Padding ffff8801037cd1c0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527122] Padding ffff8801037cd1d0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527122] Padding ffff8801037cd1e0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527123] Padding ffff8801037cd1f0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ [28969.527125] CPU: 6 PID: 9558 Comm: transmission-gt Tainted: G B 3.12.0-2.fc21.x86_64+debug #1 [28969.527126] Hardware name: Gigabyte Technology Co., Ltd. Z87M-D3H/Z87M-D3H, BIOS F8 08/03/2013 [28969.527127] ffff8801037ccfc0 ffff8807d47e1958 ffffffff81742e92 ffff880813909b00 [28969.527130] ffff8807d47e1998 ffffffff811d368d 0000000000000040 ffff880100000001 [28969.527132] ffff8801037cd072 ffff880813909b00 000000000000006b ffff8801037ccfc0 [28969.527134] Call Trace: [28969.527137] [<ffffffff81742e92>] dump_stack+0x54/0x74 [28969.527139] [<ffffffff811d368d>] print_trailer+0x14d/0x200 [28969.527140] [<ffffffff811d387f>] check_bytes_and_report+0xcf/0x110 [28969.527142] [<ffffffff811d46f7>] check_object+0x1d7/0x250 [28969.527144] [<ffffffff8117fd05>] ? mempool_alloc_slab+0x15/0x20 [28969.527146] [<ffffffff81740613>] alloc_debug_processing+0x76/0x118 [28969.527148] [<ffffffff8174124e>] __slab_alloc+0x3eb/0x4fe [28969.527151] [<ffffffff81021b45>] ? native_sched_clock+0x15/0x80 [28969.527153] [<ffffffff8117fd05>] ? mempool_alloc_slab+0x15/0x20 [28969.527156] [<ffffffff810eebdd>] ? trace_hardirqs_off+0xd/0x10 [28969.527159] [<ffffffff810b954f>] ? local_clock+0x5f/0x70 [28969.527161] [<ffffffff811d6244>] kmem_cache_alloc+0x294/0x340 [28969.527162] [<ffffffff8117fd05>] ? mempool_alloc_slab+0x15/0x20 [28969.527164] [<ffffffff8117fd05>] mempool_alloc_slab+0x15/0x20 [28969.527166] [<ffffffff8117fe3c>] mempool_alloc+0x5c/0x150 [28969.527168] [<ffffffff8128c567>] ? ext4_map_blocks+0x267/0x530 [28969.527169] [<ffffffff81233016>] bio_alloc_bioset+0x196/0x2a0 [28969.527171] [<ffffffff8123a41f>] mpage_alloc+0x2f/0x90 [28969.527173] [<ffffffff8123af98>] do_mpage_readpage+0x2f8/0x680 [28969.527175] [<ffffffff8117ccd9>] ? add_to_page_cache_locked+0xf9/0x270 [28969.527177] [<ffffffff8123b3fb>] mpage_readpages+0xdb/0x130 [28969.527179] [<ffffffff8128c9e0>] ? _ext4_get_block+0x1b0/0x1b0 [28969.527181] [<ffffffff8128c9e0>] ? _ext4_get_block+0x1b0/0x1b0 [28969.527183] [<ffffffff811ca7e9>] ? alloc_pages_current+0xa9/0x170 [28969.527185] [<ffffffff8128984a>] ext4_readpages+0x3a/0x50 [28969.527187] [<ffffffff8118ad62>] __do_page_cache_readahead+0x2d2/0x370 [28969.527188] [<ffffffff8118abb7>] ? __do_page_cache_readahead+0x127/0x370 [28969.527190] [<ffffffff8118af39>] force_page_cache_readahead+0x79/0xc0 [28969.527192] [<ffffffff81181883>] SyS_fadvise64_64+0x1b3/0x250 [28969.527194] [<ffffffff8138330b>] ? trace_hardirqs_on_thunk+0x3a/0x3f [28969.527196] [<ffffffff8118192e>] SyS_fadvise64+0xe/0x10 [28969.527197] [<ffffffff81756229>] system_call_fastpath+0x16/0x1b [28969.527198] FIX bio-0: Restoring 0xffff8801037cd071-0xffff8801037cd071=0x6b [28969.527199] FIX bio-0: Marking all objects used
The trace: [28969.527162] [<ffffffff8117fd05>] ? mempool_alloc_slab+0x15/0x20 [28969.527164] [<ffffffff8117fd05>] mempool_alloc_slab+0x15/0x20 [28969.527166] [<ffffffff8117fe3c>] mempool_alloc+0x5c/0x150 [28969.527168] [<ffffffff8128c567>] ? ext4_map_blocks+0x267/0x530 [28969.527169] [<ffffffff81233016>] bio_alloc_bioset+0x196/0x2a0 [28969.527171] [<ffffffff8123a41f>] mpage_alloc+0x2f/0x90 [28969.527173] [<ffffffff8123af98>] do_mpage_readpage+0x2f8/0x680 [28969.527175] [<ffffffff8117ccd9>] ? add_to_page_cache_locked+0xf9/0x270 [28969.527177] [<ffffffff8123b3fb>] mpage_readpages+0xdb/0x130 [28969.527179] [<ffffffff8128c9e0>] ? _ext4_get_block+0x1b0/0x1b0 [28969.527181] [<ffffffff8128c9e0>] ? _ext4_get_block+0x1b0/0x1b0 [28969.527183] [<ffffffff811ca7e9>] ? alloc_pages_current+0xa9/0x170 [28969.527185] [<ffffffff8128984a>] ext4_readpages+0x3a/0x50 [28969.527187] [<ffffffff8118ad62>] __do_page_cache_readahead+0x2d2/0x370 [28969.527188] [<ffffffff8118abb7>] ? __do_page_cache_readahead+0x127/0x370 [28969.527190] [<ffffffff8118af39>] force_page_cache_readahead+0x79/0xc0 [28969.527192] [<ffffffff81181883>] SyS_fadvise64_64+0x1b3/0x250 [28969.527194] [<ffffffff8138330b>] ? trace_hardirqs_on_thunk+0x3a/0x3f [28969.527196] [<ffffffff8118192e>] SyS_fadvise64+0xe/0x10 [28969.527197] [<ffffffff81756229>] system_call_fastpath+0x16/0x1b Is identical to the bug you reported in 1012677. My suggestion stays the same. As you are getting a lot of completely unrelated oops and sata error messages as well, you need to do a thorough hw check on this box. start with memtest. In any case please close this bug or 1012677. Thanks, Michele
> In any case please close this bug or 1012677. I don't know which report more useful for diagnose problem. Here kernel is not tainted it may be better and no disk errors. Any other test ideas or tests if computer pass memtest? May be in the space of RAM get there a memory region of some device?
*** Bug 1012677 has been marked as a duplicate of this bug. ***
Hi Mikhail, I'd start with memtest and take it from there. Have you run it already? Thanks, Michele
Created attachment 841607 [details] memory is OK, I am sure.
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 20 kernel bugs. Fedora 20 has now been rebased to 3.13.4-200.fc20. Please test this kernel update and let us know if you issue has been resolved or if it is still present with the newer kernel. If you experience different issues, please open a new bug report for those.
*** This bug has been marked as a duplicate of bug 1060509 ***