From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 101891] mvsas prep failed, NULL pointer dereference in mvs_slot_task_free+0x5/0x1f0 [mvsas] Date: Thu, 23 Jul 2015 22:01:55 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail.kernel.org ([198.145.29.136]:44029 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753898AbbGWWCC convert rfc822-to-8bit (ORCPT ); Thu, 23 Jul 2015 18:02:02 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6CF0D2054E for ; Thu, 23 Jul 2015 22:01:59 +0000 (UTC) Received: from bugzilla1.web.kernel.org (bugzilla1.web.kernel.org [172.20.200.51]) by mail.kernel.org (Postfix) with ESMTP id 8654720641 for ; Thu, 23 Jul 2015 22:01:55 +0000 (UTC) In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D101891 --- Comment #1 from D=C4=81vis --- Some more call traces ------------[ cut here ]------------ kernel: WARNING: CPU: 4 PID: 6442 at fs/sysfs/group.c:224 sysfs_remove_group+0xa1/0xb0() kernel: sysfs group ffffffff8189de80 not found for kobject 'end_device-= 8:0' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper kernel: CPU: 4 PID: 6442 Comm: kworker/u16:12 Tainted: P R D O =20 4.1.2-2-ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: Workqueue: scsi_wq_8 sas_destruct_devices [libsas] kernel: 0000000000000000 00000000fff093ac ffff88008071bbf8 ffffffff815= 85c8e kernel: 0000000000000000 ffff88008071bc50 ffff88008071bc38 ffffffff810= 78c9a kernel: ffff88008071bc68 0000000000000000 ffffffff8189de80 ffff8802225= 50810 kernel: Call Trace: kernel: [] dump_stack+0x4c/0x6e kernel: [] warn_slowpath_common+0x8a/0xc0 kernel: [] warn_slowpath_fmt+0x55/0x70 kernel: [] ? kernfs_find_and_get_ns+0x4c/0x60 kernel: [] sysfs_remove_group+0xa1/0xb0 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x270 kernel: [] ? put_device+0x17/0x20 kernel: [] device_unregister+0x22/0x80 kernel: [] bsg_unregister_queue+0x60/0xc0 kernel: [] sas_rphy_remove+0x4c/0x80 [scsi_transport= _sas] kernel: [] sas_rphy_delete+0x16/0x30 [scsi_transport= _sas] kernel: [] sas_destruct_devices+0x65/0x90 [libsas] kernel: [] process_one_work+0x14b/0x470 kernel: [] worker_thread+0x48/0x4c0 kernel: [] ? process_one_work+0x470/0x470 kernel: [] kthread+0xd8/0xf0 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: [] ret_from_fork+0x42/0x70 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: ---[ end trace 18b7a6f928680375 ]--- kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 4 PID: 6442 at fs/sysfs/group.c:224 sysfs_remove_group+0xa1/0xb0() kernel: sysfs group ffffffff8189de80 not found for kobject 'end_device-= 8:1' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper a kernel: CPU: 4 PID: 6442 Comm: kworker/u16:12 Tainted: P R D W O =20 4.1.2-2-ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: Workqueue: scsi_wq_8 sas_destruct_devices [libsas] kernel: 0000000000000000 00000000fff093ac ffff88008071bc38 ffffffff815= 85c8e kernel: 0000000000000000 ffff88008071bc90 ffff88008071bc78 ffffffff810= 78c9a kernel: ffff88008071bc78 0000000000000000 ffffffff8189de80 ffff8802225= 4c810 kernel: Call Trace: kernel: [] dump_stack+0x4c/0x6e kernel: [] warn_slowpath_common+0x8a/0xc0 kernel: [] warn_slowpath_fmt+0x55/0x70 kernel: [] ? kernfs_find_and_get_ns+0x4c/0x60 kernel: [] sysfs_remove_group+0xa1/0xb0 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x270 kernel: [] sas_rphy_remove+0x5c/0x80 [scsi_transport= _sas] kernel: [] sas_rphy_delete+0x16/0x30 [scsi_transport= _sas] kernel: [] sas_destruct_devices+0x65/0x90 [libsas] kernel: [] process_one_work+0x14b/0x470 kernel: [] worker_thread+0x48/0x4c0 kernel: [] ? process_one_work+0x470/0x470 kernel: [] kthread+0xd8/0xf0 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: [] ret_from_fork+0x42/0x70 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: ---[ end trace 18b7a6f92868037c ]--- kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 4 PID: 6442 at fs/sysfs/group.c:224 sysfs_remove_group+0xa1/0xb0() kernel: sysfs group ffffffff8189de80 not found for kobject 'end_device-= 8:2' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper a kernel: CPU: 4 PID: 6442 Comm: kworker/u16:12 Tainted: P R D W O =20 4.1.2-2-ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: Workqueue: scsi_wq_8 sas_destruct_devices [libsas] kernel: 0000000000000000 00000000fff093ac ffff88008071bb88 ffffffff815= 85c8e kernel: 0000000000000000 ffff88008071bbe0 ffff88008071bbc8 ffffffff810= 78c9a kernel: ffff88008071bbc8 0000000000000000 ffffffff8189de80 ffff8802225= 4d838 kernel: Call Trace: kernel: [] dump_stack+0x4c/0x6e kernel: [] warn_slowpath_common+0x8a/0xc0 kernel: [] warn_slowpath_fmt+0x55/0x70 kernel: [] ? kernfs_find_and_get_ns+0x4c/0x60 kernel: [] sysfs_remove_group+0xa1/0xb0 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x270 kernel: [] ? device_remove_file+0x19/0x20 kernel: [] attribute_container_class_device_del+0x1e= /0x30 kernel: [] transport_remove_classdev+0x52/0x60 kernel: [] ? transport_add_class_device+0x40/0x40 kernel: [] attribute_container_device_trigger+0xdc/0= xf0 kernel: [] transport_remove_device+0x15/0x20 kernel: [] sas_rphy_remove+0x54/0x80 [scsi_transport= _sas] kernel: [] sas_rphy_delete+0x16/0x30 [scsi_transport= _sas] kernel: [] sas_destruct_devices+0x65/0x90 [libsas] kernel: [] process_one_work+0x14b/0x470 kernel: [] worker_thread+0x48/0x4c0 kernel: [] ? process_one_work+0x470/0x470 kernel: [] kthread+0xd8/0xf0 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: [] ret_from_fork+0x42/0x70 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: ---[ end trace 18b7a6f92868037e ]--- kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 4 PID: 6442 at fs/sysfs/group.c:224 sysfs_remove_group+0xa1/0xb0() kernel: sysfs group ffffffff8189de80 not found for kobject 'end_device-= 8:2' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper a kernel: CPU: 4 PID: 6442 Comm: kworker/u16:12 Tainted: P R D W O =20 4.1.2-2-ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: Workqueue: scsi_wq_8 sas_destruct_devices [libsas] kernel: 0000000000000000 00000000fff093ac ffff88008071bb88 ffffffff815= 85c8e kernel: 0000000000000000 ffff88008071bbe0 ffff88008071bbc8 ffffffff810= 78c9a kernel: ffff88008071bbc8 0000000000000000 ffffffff8189de80 ffff8802225= 4dc38 kernel: Call Trace: kernel: [] dump_stack+0x4c/0x6e kernel: [] warn_slowpath_common+0x8a/0xc0 kernel: [] warn_slowpath_fmt+0x55/0x70 kernel: [] ? kernfs_find_and_get_ns+0x4c/0x60 kernel: [] sysfs_remove_group+0xa1/0xb0 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x270 kernel: [] ? device_remove_file+0x19/0x20 kernel: [] attribute_container_class_device_del+0x1e= /0x30 kernel: [] transport_remove_classdev+0x52/0x60 kernel: [] ? transport_add_class_device+0x40/0x40 kernel: [] attribute_container_device_trigger+0xdc/0= xf0 kernel: [] transport_remove_device+0x15/0x20 kernel: [] sas_rphy_remove+0x54/0x80 [scsi_transport= _sas] kernel: [] sas_rphy_delete+0x16/0x30 [scsi_transport= _sas] kernel: [] sas_destruct_devices+0x65/0x90 [libsas] kernel: [] process_one_work+0x14b/0x470 kernel: [] worker_thread+0x48/0x4c0 kernel: [] ? process_one_work+0x470/0x470 kernel: [] kthread+0xd8/0xf0 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: [] ret_from_fork+0x42/0x70 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: ---[ end trace 18b7a6f92868037f ]--- kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 0 PID: 5845 at fs/sysfs/group.c:224 sysfs_remove_group+0xa1/0xb0() kernel: sysfs group ffffffff8189de80 not found for kobject '8:0:0:0' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper a kernel: CPU: 0 PID: 5845 Comm: rmmod Tainted: P R D W O 4.1.2-2-= ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: 0000000000000000 0000000015da1c4c ffff880100a9bbb8 ffffffff815= 85c8e kernel: 0000000000000000 ffff880100a9bc10 ffff880100a9bbf8 ffffffff810= 78c9a kernel: ffff880100a9bbf8 0000000000000000 ffffffff8189de80 ffff8802224= b5810 kernel: Call Trace: kernel: [] dump_stack+0x4c/0x6e kernel: [] warn_slowpath_common+0x8a/0xc0 kernel: [] warn_slowpath_fmt+0x55/0x70 kernel: [] ? kernfs_find_and_get_ns+0x4c/0x60 kernel: [] sysfs_remove_group+0xa1/0xb0 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x270 kernel: [] device_unregister+0x22/0x80 kernel: [] bsg_unregister_queue+0x60/0xc0 kernel: [] __scsi_remove_device+0xb1/0xe0 [scsi_mod] kernel: [] scsi_forget_host+0x64/0x70 [scsi_mod] kernel: [] scsi_remove_host+0x79/0x160 [scsi_mod] kernel: [] mvs_pci_remove+0x4e/0xe0 [mvsas] kernel: [] pci_device_remove+0x3f/0xc0 kernel: [] __device_release_driver+0x87/0x120 kernel: [] driver_detach+0xc8/0xd0 kernel: [] bus_remove_driver+0x59/0xe0 kernel: [] driver_unregister+0x30/0x70 kernel: [] pci_unregister_driver+0x2d/0xa0 kernel: [] mvs_exit+0x10/0x6a7 [mvsas] kernel: [] SyS_delete_module+0x1cf/0x280 kernel: [] system_call_fastpath+0x12/0x71 kernel: ---[ end trace 18b7a6f928680389 ]--- kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 0 PID: 5845 at fs/sysfs/group.c:224 sysfs_remove_group+0xa1/0xb0() kernel: sysfs group ffffffff8189de80 not found for kobject '8:0:0:0' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper a kernel: CPU: 0 PID: 5845 Comm: rmmod Tainted: P R D W O 4.1.2-2-= ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: 0000000000000000 0000000015da1c4c ffff880100a9bb08 ffffffff815= 85c8e kernel: 0000000000000000 ffff880100a9bb60 ffff880100a9bb48 ffffffff810= 78c9a kernel: ffff880100a9bb48 0000000000000000 ffffffff8189de80 ffff8802224= b4820 kernel: Call Trace: kernel: [] dump_stack+0x4c/0x6e kernel: [] warn_slowpath_common+0x8a/0xc0 kernel: [] warn_slowpath_fmt+0x55/0x70 kernel: [] ? kernfs_find_and_get_ns+0x4c/0x60 kernel: [] sysfs_remove_group+0xa1/0xb0 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x270 kernel: [] sd_remove+0x55/0xc0 [sd_mod] kernel: [] __device_release_driver+0x87/0x120 kernel: [] device_release_driver+0x23/0x30 kernel: [] bus_remove_device+0x108/0x180 kernel: [] device_del+0x141/0x270 kernel: [] __scsi_remove_device+0xcd/0xe0 [scsi_mod] kernel: [] scsi_forget_host+0x64/0x70 [scsi_mod] kernel: [] scsi_remove_host+0x79/0x160 [scsi_mod] kernel: [] mvs_pci_remove+0x4e/0xe0 [mvsas] kernel: [] pci_device_remove+0x3f/0xc0 kernel: [] __device_release_driver+0x87/0x120 kernel: [] driver_detach+0xc8/0xd0 kernel: [] bus_remove_driver+0x59/0xe0 kernel: [] driver_unregister+0x30/0x70 kernel: [] pci_unregister_driver+0x2d/0xa0 kernel: [] mvs_exit+0x10/0x6a7 [mvsas] kernel: [] SyS_delete_module+0x1cf/0x280 kernel: [] system_call_fastpath+0x12/0x71 kernel: ---[ end trace 18b7a6f92868038c ]--- kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 0 PID: 5845 at fs/sysfs/group.c:224 sysfs_remove_group+0xa1/0xb0() kernel: sysfs group ffffffff8189de80 not found for kobject 'sdj1' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper a kernel: CPU: 0 PID: 5845 Comm: rmmod Tainted: P R D W O 4.1.2-2-= ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: 0000000000000000 0000000015da1c4c ffff880100a9ba98 ffffffff815= 85c8e kernel: 0000000000000000 ffff880100a9baf0 ffff880100a9bad8 ffffffff810= 78c9a kernel: ffff880100a9bad8 0000000000000000 ffffffff8189de80 ffff8802225= 55038 kernel: Call Trace: kernel: [] dump_stack+0x4c/0x6e kernel: [] warn_slowpath_common+0x8a/0xc0 kernel: [] warn_slowpath_fmt+0x55/0x70 kernel: [] ? kernfs_find_and_get_ns+0x4c/0x60 kernel: [] sysfs_remove_group+0xa1/0xb0 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x270 kernel: [] delete_partition+0x4c/0x80 kernel: [] del_gendisk+0xd0/0x240 kernel: [] sd_remove+0x61/0xc0 [sd_mod] kernel: [] __device_release_driver+0x87/0x120 kernel: [] device_release_driver+0x23/0x30 kernel: [] bus_remove_device+0x108/0x180 kernel: [] device_del+0x141/0x270 kernel: [] __scsi_remove_device+0xcd/0xe0 [scsi_mod] kernel: [] scsi_forget_host+0x64/0x70 [scsi_mod] kernel: [] scsi_remove_host+0x79/0x160 [scsi_mod] kernel: [] mvs_pci_remove+0x4e/0xe0 [mvsas] kernel: [] pci_device_remove+0x3f/0xc0 kernel: [] __device_release_driver+0x87/0x120 kernel: [] driver_detach+0xc8/0xd0 kernel: [] bus_remove_driver+0x59/0xe0 kernel: [] driver_unregister+0x30/0x70 kernel: [] pci_unregister_driver+0x2d/0xa0 kernel: [] mvs_exit+0x10/0x6a7 [mvsas] kernel: [] SyS_delete_module+0x1cf/0x280 kernel: [] system_call_fastpath+0x12/0x71 kernel: ---[ end trace 18b7a6f92868038d ]--- kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 1 PID: 5845 at fs/sysfs/group.c:224 sysfs_remove_group+0xa1/0xb0() kernel: sysfs group ffffffff81859160 not found for kobject 'sdj' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper a kernel: CPU: 1 PID: 5845 Comm: rmmod Tainted: P R D W O 4.1.2-2-= ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: 0000000000000000 0000000015da1c4c ffff880100a9baf8 ffffffff815= 85c8e kernel: 0000000000000000 ffff880100a9bb50 ffff880100a9bb38 ffffffff810= 78c9a kernel: ffff880226087100 0000000000000000 ffffffff81859160 ffff8802224= b4c80 kernel: Call Trace: kernel: [] dump_stack+0x4c/0x6e kernel: [] warn_slowpath_common+0x8a/0xc0 kernel: [] warn_slowpath_fmt+0x55/0x70 kernel: [] ? kernfs_find_and_get_ns+0x4c/0x60 kernel: [] sysfs_remove_group+0xa1/0xb0 kernel: [] blk_trace_remove_sysfs+0x14/0x20 kernel: [] blk_unregister_queue+0x65/0xa0 kernel: [] del_gendisk+0x12e/0x240 kernel: [] sd_remove+0x61/0xc0 [sd_mod] kernel: [] __device_release_driver+0x87/0x120 kernel: [] device_release_driver+0x23/0x30 kernel: [] bus_remove_device+0x108/0x180 kernel: [] device_del+0x141/0x270 kernel: [] __scsi_remove_device+0xcd/0xe0 [scsi_mod] kernel: [] scsi_forget_host+0x64/0x70 [scsi_mod] kernel: [] scsi_remove_host+0x79/0x160 [scsi_mod] kernel: [] mvs_pci_remove+0x4e/0xe0 [mvsas] kernel: [] pci_device_remove+0x3f/0xc0 kernel: [] __device_release_driver+0x87/0x120 kernel: [] driver_detach+0xc8/0xd0 kernel: [] bus_remove_driver+0x59/0xe0 kernel: [] driver_unregister+0x30/0x70 kernel: [] pci_unregister_driver+0x2d/0xa0 kernel: [] mvs_exit+0x10/0x6a7 [mvsas] kernel: [] SyS_delete_module+0x1cf/0x280 kernel: [] system_call_fastpath+0x12/0x71 kernel: ---[ end trace 18b7a6f92868038f ]--- kernel: sd 8:0:0:0: [sdj] Synchronizing SCSI cache kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 kernel: IP: [] mvs_task_exec.isra.3+0x2a/0xe90 [mvsas= ] kernel: PGD 1663e9067 PUD 153765067 PMD 0=20 kernel: Oops: 0000 [#2] PREEMPT SMP=20 kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper a kernel: CPU: 1 PID: 5845 Comm: rmmod Tainted: P R D W O 4.1.2-2-= ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: task: ffff880118008a30 ti: ffff880100a98000 task.ti: ffff880100= a98000 kernel: RIP: 0010:[] [] mvs_task_exec.isra.3+0x2a/0xe90 [mvsas] kernel: RSP: 0018:ffff880100a9b758 EFLAGS: 00010092 kernel: RAX: 0000000000000000 RBX: ffff8802253bc4f8 RCX: ffff880100b5c7= 18 kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880100b5c7= 00 kernel: RBP: ffff880100a9b7f8 R08: ffffffffa011201d R09: ffff880100b5c7= 00 kernel: R10: 000000000003002f R11: 000000000000002f R12: 00000000000000= 00 kernel: R13: ffff8802253bc000 R14: ffff880100b5c700 R15: ffff880100b5c7= 00 kernel: FS: 00007fac1bb7b700(0000) GS:ffff88022ec40000(0000) knlGS:0000000000000000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b kernel: CR2: 0000000000000018 CR3: 000000014a767000 CR4: 00000000000407= e0 kernel: Stack: kernel: 000000000000000a 0000000015da1c4c ffff880100a9b798 ffffffff81a= 52e87 kernel: ffffffffffffffff ffffffff81713cb4 ffff880100a9b7b8 ffffffff812= 581cc kernel: ffff8802230b2348 0000000000000086 ffff880100000000 00000000000= 00000 kernel: Call Trace: kernel: [] ? kernfs_path_locked+0x3c/0x90 kernel: [] ? sas_alloc_task+0x1d/0x40 [libsas] kernel: [] mvs_queue_command+0x12/0x20 [mvsas] kernel: [] sas_ata_qc_issue+0x1b1/0x260 [libsas] kernel: [] ata_qc_issue+0x170/0x3e0 [libata] kernel: [] ? internal_add_timer+0x63/0x80 kernel: [] ? ata_scsi_em_message_show+0x40/0x40 [lib= ata] kernel: [] ata_scsi_translate+0xb6/0x1d0 [libata] kernel: [] ata_sas_queuecmd+0x9f/0x250 [libata] kernel: [] sas_queuecommand+0x18f/0x1f0 [libsas] kernel: [] scsi_dispatch_cmd+0xc3/0x1c0 [scsi_mod] kernel: [] scsi_request_fn+0x2dd/0x590 [scsi_mod] kernel: [] __blk_run_queue+0x37/0x50 kernel: [] blk_execute_rq_nowait+0xb5/0x180 kernel: [] ? get_request+0x2ef/0x7f0 kernel: [] blk_execute_rq+0x8b/0x150 kernel: [] ? blk_get_request+0x86/0xf0 kernel: [] scsi_execute+0x141/0x1f0 [scsi_mod] kernel: [] scsi_execute_req_flags+0x8e/0x100 [scsi_m= od] kernel: [] sd_sync_cache+0xa7/0x1a0 [sd_mod] kernel: [] sd_shutdown+0x72/0x120 [sd_mod] kernel: [] sd_remove+0x69/0xc0 [sd_mod] kernel: [] __device_release_driver+0x87/0x120 kernel: [] device_release_driver+0x23/0x30 kernel: [] bus_remove_device+0x108/0x180 kernel: [] device_del+0x141/0x270 kernel: [] __scsi_remove_device+0xcd/0xe0 [scsi_mod] kernel: [] scsi_forget_host+0x64/0x70 [scsi_mod] kernel: [] scsi_remove_host+0x79/0x160 [scsi_mod] kernel: [] mvs_pci_remove+0x4e/0xe0 [mvsas] kernel: [] pci_device_remove+0x3f/0xc0 kernel: [] __device_release_driver+0x87/0x120 kernel: [] driver_detach+0xc8/0xd0 kernel: [] bus_remove_driver+0x59/0xe0 kernel: [] driver_unregister+0x30/0x70 kernel: [] pci_unregister_driver+0x2d/0xa0 kernel: [] mvs_exit+0x10/0x6a7 [mvsas] kernel: [] SyS_delete_module+0x1cf/0x280 kernel: [] system_call_fastpath+0x12/0x71 kernel: Code: 00 66 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 49 = 89 ff 53 48 83 ec 78 48 8b 07 48 8 kernel: RIP [] mvs_task_exec.isra.3+0x2a/0xe90 [mvsa= s] kernel: RSP kernel: CR2: 0000000000000018 kernel: ---[ end trace 18b7a6f928680391 ]--- kernel: sas: Enter sas_scsi_recover_host busy: 1 failed: 1 kernel: sas: trying to find task 0xffff880100b5c700 kernel: sas: sas_scsi_find_task: aborting task 0xffff880100b5c700 kernel: drivers/scsi/mvsas/mv_sas.c 1487:Device has removed kernel: sas: sas_scsi_find_task: querying task 0xffff880100b5c700 kernel: drivers/scsi/mvsas/mv_sas.c 1470:mvs_query_task:rc=3D 5 kernel: sas: sas_scsi_find_task: task 0xffff880100b5c700 failed to abor= t kernel: sas: task 0xffff880100b5c700 is not at LU: I_T recover kernel: sas: I_T nexus reset for dev 0000000000000000 kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000085 kernel: IP: [] mvs_I_T_nexus_reset+0x1d/0xe0 [mvsas] kernel: PGD 0 kernel: Oops: 0000 [#3] PREEMPT SMP kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip kernel: aesni_intel rc_core snd_hda_codec_realtek aes_x86_64 lrw gf128= mul videobuf2_dma_sg glue_helper a kernel: CPU: 0 PID: 230 Comm: scsi_eh_8 Tainted: P R D W O 4.1.2= -2-ARCH #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: task: ffff88007f84bd20 ti: ffff88007fc14000 task.ti: ffff88007f= c14000 kernel: RIP: 0010:[] [] mvs_I_T_nexus_reset+0x1d/0xe0 [mvsas] kernel: RSP: 0018:ffff88007fc17d28 EFLAGS: 00010296 kernel: RAX: ffffffffa02111a0 RBX: ffff880222c91e00 RCX: 00000000000000= 2d kernel: RDX: 0000000000000000 RSI: 0000000000000282 RDI: ffff880222c91e= 00 kernel: RBP: ffff88007fc17d58 R08: 000000000000000a R09: 0000000000000a= 42 kernel: R10: 000000000003f190 R11: 0000000000000a42 R12: 00000000000000= 00 kernel: R13: ffff880100b5c708 R14: ffff8802230ef000 R15: ffff880100b5c7= 00 kernel: FS: 00007f833dffa700(0000) GS:ffff88022ec00000(0000) knlGS:0000000000000000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b kernel: CR2: 0000000000000085 CR3: 000000021c800000 CR4: 00000000000407= f0 kernel: Stack: kernel: ffff88007fc17d78 ffff880222c91e00 ffff8802230ef000 ffff880100b= 5c708 kernel: ffff8802230ef000 ffff880100b5c700 ffff88007fc17e28 ffffffffa01= 19cd8 kernel: ffff88007fc17d90 ffff88007f841088 ffff880222c92a00 ffff880222c= 92a00 kernel: Call Trace: kernel: [] sas_scsi_recover_host+0x2a8/0xc20 [libsas= ] kernel: [] scsi_error_handler+0xfc/0x580 [scsi_mod] kernel: [] ? __schedule+0x362/0xa30 kernel: [] ? scsi_eh_get_sense+0x190/0x190 [scsi_mod= ] kernel: [] kthread+0xd8/0xf0 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: [] ret_from_fork+0x42/0x70 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: Code: e8 c9 78 e6 e0 66 0f 1f 84 00 00 00 00 00 66 66 66 66 90 = 55 48 89 e5 41 57 41 56 41 55 41 5 kernel: RIP [] mvs_I_T_nexus_reset+0x1d/0xe0 [mvsas] kernel: RSP kernel: CR2: 0000000000000085 kernel: ---[ end trace 18b7a6f928680392 ]--- --=20 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" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html