Hi, Just had a kernel bug which froze the system. Running ext4 -> lvm -> bcache. EL281373.738405J -L cut here j- . .[281373.738686} kernel BUG at drivers/md/bcache/btree.c:1168! . .[281373.739004} invalid opcode: 0000 [#1} SMP . .[281373.739262} Modules linked in: quota_v2 quota_tree nfsd auth_rpcgss Did_registr nfs_acl nfs lockd fscache sunrpc his_utfs n. .Is_cp437 vfat fat loop x86_pkg_temp_thermal coretemp kvm_intel kvm crc32c_intel ghash_clmulni_intel aesni_intel Bes_x86_64 ablk_ .helper Cr ptd Irw gfl2Smul glue_helper snd_pcm snd_page_alloc snd_timer mgag2OO ipmi_si snd ttm soundcore ioatdma iTCO_wdt iTCO_ .vendor_support drm_kms_helper Ipc_ich mfd_core sh_edac edac_core i2C_1801 evdev pcspkr mei_me drm mei ipmi_msghandler microcode . .processor wmi thermal_s s button e t4 crc16 jbd2 mbcache dm_mod bcache hid_generic sg usbhid hid sd_mod crc_tlOdif crctlOdif_com .mon ehci_Dci ehci_hcd igb ahci isci usbcore libahci libsas i2c_algo_bit usb_common scsi_transport_sas i2c_core dca libata ptp pp. .s_core megaraid_sas scsi_mod . .[281373.743815} CPU: 17 PID: 573 Comm: bcache_gc Not tainted 3.13.0-dsi #4 . .[281373.744188} Hardware name: Supermicro SYS-6O27R-72RF/X9DRH-7TF/7F/iTF/iF, BIDS 3.0 07/26/2013 . .[281373.744710} task: ffffSS2o2deccO9O ti: ffff882O2ca96OOO taSk.ti: ffff882O2ca96OOO . .[281373.745155} RIP: 0010:[<ffffffffaOlSS4le>} [<ffffffffaOlSS4le>} __bch_btree_mark_kc +O 171/o las [bcache} . .[281373.745736} RSP: 0018:ffffSS2O2ca97cbS EFL GS: 00010246 . .[281373.764512} R X: 0000000000000002 RSX: ffff88Offb9cO3f8 RCX: 0000000000002000 . .[281373.783484} RDX: 0000000000000002 RSI: ffff88Offb9cO3f8 ROI: ffffSS2o2baeOOOO . .[281373.802490} RBP: 0000000000000000 ROB: O0OOOOOOOOOOOOO1 RO9: ffffSS2o2bSe2OOO . .[281373.821186} RIO: 0000000000000800 Rll: ffffSSlo2dldlcOO Rl2: 0000000000000000 . .[281373.839640} R13: ffffSS2o2baeOOOO Rl4: 0000000000000001 R15: ffffc9oo2e2399dc . .[281373.858103} FS: 0000000000000000(0000) GS:ffffSSlo7fd2ooOO(0000) knlGS:0000000000000OOO . .[281373.876583} CS: 0010 OS: 0000 ES: 0000 CRO: 0000000080050033 . .[281373.894913} CR2: OOOO7f9bcf6d5flO CR3: 0000000OO16OCOOO CR4: ooooooooool4o7eo . .[281373.913513} StaCk: . .[281373.931462} ffff88Offb9cO3f8 OOOOOOO25be8OOOO ffffSSlo2dldlcOO ffffSSlo2dldlcOO . .[281373.949820} ffff88Offb9cO3f8 0000000000000029 0000000000000001 ffffSS2o2ca97dcS . .[281373.968013} ffffSS2O2ca97dlS ffffffffaOlSS72a ffffSS2o2deccO9O OOOOO0000OOOOOOO . .[281373.986104} Call Trace: . .[281374.003937} [<ffffffffaOlSS72a>} btree_gc_mark_node+O 4c!O 16d [bcache} . .[281374.022020} [<ffffffff811e8f13>} call_rwsem_down_write_failed+O 13!0 20 . .[281374.039955} [<ffffffffaol8ao5e>} bch_btree_gc+O 187/0 387 [bcache} . .[281374.057762} [<ffffffff81070064>} idle_balance+ox12b!ox166 . .[281374.075458} [<ffffffff81066b48>} mmdrop+Oxd!Oxlc . .[281374.092871} [<ffffffffaolSa2ab>} bch_gc_thread+O 2d!O ES [bcache} . .[281374.110258} [<ffffffffaolSa27e>} bch_btree_gc+O 3a7!Ox3a7 [bcache} . .[281374.127438} [<ffffffffaolSa27e>} bch_btree_gc+O 3a7!Ox3a7 [bcache} . .[281374.144299} [<ffffffff8lO5f7aa>} kthread+Ox99/Oxal . .[281374.160937} [<ffffffff8105f711>} __kthread_parkme+O 59/0 59 . .[281374.177390} [<ffffffff813b588c>} ret_from_fork+Ox7c/OxbO . .[281374.193553} [<ffffffff8105f711>} __kthread_parkme+O 59/0 59 . .[281374.209619} Code: 00 01 cl bS ff 3f 00 00 81 f9 ff 3f 00 00 Of 46 cl 66 81 e2 03 80 25 ff if 00 00 CI eO 02 09 dO 66 a9 fC 7. .f 66 41 89 47 oa 75 02 <Of> Ob ff CS eb 05 31 ed 45 31 e4 48 Sb 03 89 ea 48 cl ea 3c 83 . .[281374.242894} RIP [<ffffffffaOlSS4le>} __bch_btree_mark_kc +O 171!0 las [bcache} . .[281374.259593} RSP <ffffSS2o2ca97cbS> . .[281374.339219} -[ end trace Of023c3ec916751b }- . -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
