https://bugzilla.kernel.org/show_bug.cgi?id=81861 --- Comment #13 from linux-ide@xxxxxxxxxxxxx --- It dies between printing the second and the third variable: [ 30.455440] sas: DONE DISCOVERY on port 0, pid:128, result:0 [ 30.455502] sas: Enter sas_scsi_recover_host busy: 0 failed: 0 [ 30.455534] sas: ata6: end_device-5:0:20: dev error handler [ 30.455744] sas: ata7: end_device-5:0:21: dev error handler [ 30.456186] sas: ata8: end_device-5:0:22: dev error handler [ 30.456367] sas: ata9: end_device-5:0:23: dev error handler [ 30.611146] [0 ffff8800d8e255b8 44] [ 30.611959] [0 ffff8800d8e255b8 46] [ 30.612511] [2 ffff8800d8e25668 [ 30.612537] BUG: unable to handle kernel NULL pointer dereference at 0000000000000255 [ 30.613511] IP: [<ffffffffa022c872>] mvs_task_prep+0x782/0xdd0 [mvsas] [ 30.614003] PGD 0 [ 30.614486] Oops: 0000 [#1] SMP [ 30.614967] Modules linked in: mvsas(OF) libsas scsi_transport_sas x86_pkg_temp_thermal intel_powerclamp hid_generic coretemp usbhid kvm_intel i915 kvm hid crct10dif_pclmul drm_kms_helper crc32_pclmul ghash_clmulni_intel cryptd drm netconsole configfs i2c_algo_bit serio_raw mei_me lpc_ich mei lp video mac_hid parport psmouse r8169 mii ahci libahci [ 30.616702] CPU: 0 PID: 6 Comm: kworker/u4:0 Tainted: GF O 3.13.0-35-generic #62-Ubuntu [ 30.617279] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H81 Pro BTC, BIOS P1.80 07/21/2014 [ 30.617853] Workqueue: events_unbound async_run_entry_fn [ 30.618426] task: ffff8802139b0000 ti: ffff8802139ae000 task.ti: ffff8802139ae000 [ 30.619007] RIP: 0010:[<ffffffffa022c872>] [<ffffffffa022c872>] mvs_task_prep+0x782/0xdd0 [mvsas] [ 30.619604] RSP: 0018:ffff8802139af8c0 EFLAGS: 00010096 [ 30.620188] RAX: ffff8800d8e03618 RBX: 0000000000000002 RCX: 0000000000002ace [ 30.620779] RDX: 00000000000064e6 RSI: 0000000000000046 RDI: 0000000000000046 [ 30.621363] RBP: ffff8802139af958 R08: 0000000000000086 R09: 0000000000000426 [ 30.621941] R10: ffff880213bf4098 R11: 0000000000000001 R12: 0000000000000001 [ 30.622508] R13: ffff8800d8e00000 R14: ffff8800d8e03618 R15: ffff88007f912500 [ 30.623068] FS: 0000000000000000(0000) GS:ffff88021f200000(0000) knlGS:0000000000000000 [ 30.623649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.624238] CR2: 0000000000000255 CR3: 0000000002c0e000 CR4: 00000000000407f0 [ 30.624844] Stack: [ 30.625450] ffffffff8109d415 ffff88021f314440 ffff88021f314440 ffff88021f314440 [ 30.626097] ffff88020f97064c ffff8800d8e01e38 ffff880211d6fe00 ffff8800d8e25660 [ 30.626752] ffff88007f740080 ffff8800d8e02678 0000000181098129 ffff8800d8e25668 [ 30.627413] Call Trace: [ 30.628072] [<ffffffff8109d415>] ? sched_clock_cpu+0xb5/0x100 [ 30.628753] [<ffffffffa022cf1d>] mvs_task_exec.isra.13+0x5d/0xe0 [mvsas] [ 30.629450] [<ffffffffa022da5c>] mvs_queue_command+0x30c/0x320 [mvsas] [ 30.630155] [<ffffffff811a2362>] ? kmem_cache_alloc+0x1b2/0x1e0 [ 30.630867] [<ffffffffa020c787>] ? sas_free_task+0x37/0x40 [libsas] [ 30.631593] [<ffffffffa0215cab>] sas_ata_qc_issue+0x24b/0x290 [libsas] [ 30.632326] [<ffffffff814fe742>] ata_qc_issue+0x172/0x380 [ 30.633067] [<ffffffff814fec03>] ata_exec_internal_sg+0x2b3/0x570 [ 30.633817] [<ffffffff814fef1a>] ata_exec_internal+0x5a/0xa0 [ 30.634570] [<ffffffff814ff314>] ata_dev_read_id+0x274/0x550 [ 30.635332] [<ffffffffa02158f0>] ? sas_ata_printk+0x80/0x80 [libsas] [ 30.636166] [<ffffffff8150cbab>] ata_eh_recover+0x74b/0x1310 [ 30.636938] [<ffffffff81501cb0>] ? ata_phys_link_online+0x30/0x30 [ 30.637721] [<ffffffffa02158f0>] ? sas_ata_printk+0x80/0x80 [libsas] [ 30.638512] [<ffffffff81501e30>] ? ata_phys_link_offline+0x30/0x30 [ 30.639314] [<ffffffffa02158f0>] ? sas_ata_printk+0x80/0x80 [libsas] [ 30.640119] [<ffffffff81501e30>] ? ata_phys_link_offline+0x30/0x30 [ 30.640933] [<ffffffffa02158f0>] ? sas_ata_printk+0x80/0x80 [libsas] [ 30.641758] [<ffffffff8150e299>] ata_do_eh+0x49/0xc0 [ 30.642588] [<ffffffff81501cb0>] ? ata_phys_link_online+0x30/0x30 [ 30.643425] [<ffffffff8150e34e>] ata_std_error_handler+0x3e/0x80 [ 30.644271] [<ffffffff8150ddba>] ata_scsi_port_error_handler+0x56a/0x940 [ 30.645128] [<ffffffffa02160aa>] async_sas_ata_eh+0x4a/0x80 [libsas] [ 30.645996] [<ffffffff81091657>] async_run_entry_fn+0x37/0x130 [ 30.646871] [<ffffffff810839d2>] process_one_work+0x182/0x450 [ 30.647750] [<ffffffff810847c1>] worker_thread+0x121/0x410 [ 30.648638] [<ffffffff810846a0>] ? rescuer_thread+0x430/0x430 [ 30.649534] [<ffffffff8108b4a2>] kthread+0xd2/0xf0 [ 30.650429] [<ffffffff8108b3d0>] ? kthread_create_on_node+0x1c0/0x1c0 [ 30.651321] [<ffffffff8172ecbc>] ret_from_fork+0x7c/0xb0 [ 30.652211] [<ffffffff8108b3d0>] ? kthread_create_on_node+0x1c0/0x1c0 [ 30.653102] Code: 03 47 23 a0 31 c0 e8 62 b7 4e e1 48 8b 4d c0 41 8b 45 58 48 c7 c7 07 47 23 a0 89 41 1c 48 89 ce 31 c0 e8 46 b7 4e e1 48 8b 45 d0 <41> 8b 8c 24 54 02 00 00 41 bc 00 10 00 00 41 8b 75 58 48 c7 c7 [ 30.655215] RIP [<ffffffffa022c872>] mvs_task_prep+0x782/0xdd0 [mvsas] [ 30.656195] RSP <ffff8802139af8c0> [ 30.657163] CR2: 0000000000000255 -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
