From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 71021] WARNING: CPU: 0 PID: 5517 at /build/buildd/linux-3.13.0/fs/sysfs/group.c:214 sysfs_remove_group+0xc6/0xd0() Date: Fri, 05 Feb 2016 17:01:26 +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]:57655 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755354AbcBERBc convert rfc822-to-8bit (ORCPT ); Fri, 5 Feb 2016 12:01:32 -0500 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BDFE1203A1 for ; Fri, 5 Feb 2016 17:01:29 +0000 (UTC) Received: from bugzilla1.web.kernel.org (bugzilla1.web.kernel.org [172.20.200.51]) by mail.kernel.org (Postfix) with ESMTP id DF43920397 for ; Fri, 5 Feb 2016 17:01:26 +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=3D71021 --- Comment #3 from D=C4=81vis --- This still happens with 4.4.0 When removing disk kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1913:phy3 Removed = Device kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 3 PID: 16820 at /mnt/Linux/linux/fs/sysfs/group.c= :237 sysfs_remove_group+0x8b/0x90() kernel: sysfs group ffffffff818a3b60 not found for kobject 'end_device-= 7:7' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject= _ipv4 xt_conntrack ip_set nfnetlink ebtable_bro kernel: snd_usbmidi_lib videobuf2_v4l2 snd_rawmidi snd_seq_device mous= edev gf128mul input_leds joydev led_class glue_helper snd_hda_codec_hdmi snd_hda_codec_realtek videobuf2_core r8169 v4l2_commo kernel: libsas libahci scsi_transport_sas syscopyarea sysfillrect sysi= mgblt fb_sys_fops drm libata usbcore usb_common scsi_mod i2c_core wmi i8042 s= erio button ip_tables x_tables [last unloaded: dr kernel: CPU: 3 PID: 16820 Comm: kworker/u16:8 Tainted: P W O =20 4.4.0-ARCH-dirty #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: Workqueue: scsi_wq_7 sas_destruct_devices [libsas] kernel: 0000000000000000 00000000ad666a1d ffff8801d3103c50 ffffffff812= bf949 kernel: ffff8801d3103c98 ffff8801d3103c88 ffffffff810764f2 00000000000= 00000 kernel: ffffffff818a3b60 ffff88021cb30410 ffff8800cd642828 ffff8800cd6= 427f8 kernel: Call Trace: kernel: [] dump_stack+0x4b/0x72 kernel: [] warn_slowpath_common+0x82/0xc0 kernel: [] warn_slowpath_fmt+0x5c/0x80 kernel: [] ? kernfs_find_and_get_ns+0x48/0x60 kernel: [] sysfs_remove_group+0x8b/0x90 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x260 kernel: [] device_unregister+0x1e/0x60 kernel: [] bsg_unregister_queue+0x60/0xb0 kernel: [] sas_rphy_remove+0x48/0x70 [scsi_transport= _sas] kernel: [] sas_rphy_delete+0x12/0x20 [scsi_transport= _sas] kernel: [] sas_destruct_devices+0x63/0x90 [libsas] kernel: [] process_one_work+0x14b/0x440 kernel: [] worker_thread+0x48/0x4a0 kernel: [] ? process_one_work+0x440/0x440 kernel: [] ? process_one_work+0x440/0x440 kernel: [] kthread+0xd8/0xf0 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: [] ret_from_fork+0x3f/0x70 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: ---[ end trace 640cb81c5c1e9aa7 ]--- kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 4 PID: 16820 at /mnt/Linux/linux/fs/sysfs/group.c= :237 sysfs_remove_group+0x8b/0x90() kernel: sysfs group ffffffff818a3b60 not found for kobject 'end_device-= 7:7' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject= _ipv4 xt_conntrack ip_set nfnetlink ebtable_bro kernel: snd_usbmidi_lib videobuf2_v4l2 snd_rawmidi snd_seq_device mous= edev gf128mul input_leds joydev led_class glue_helper snd_hda_codec_hdmi snd_hda_codec_realtek videobuf2_core r8169 v4l2_commo kernel: libsas libahci scsi_transport_sas syscopyarea sysfillrect sysi= mgblt fb_sys_fops drm libata usbcore usb_common scsi_mod i2c_core wmi i8042 s= erio button ip_tables x_tables [last unloaded: dr kernel: CPU: 4 PID: 16820 Comm: kworker/u16:8 Tainted: P W O =20 4.4.0-ARCH-dirty #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: Workqueue: scsi_wq_7 sas_destruct_devices [libsas] kernel: 0000000000000000 00000000ad666a1d ffff8801d3103bf8 ffffffff812= bf949 kernel: ffff8801d3103c40 ffff8801d3103c30 ffffffff810764f2 00000000000= 00000 kernel: ffffffff818a3b60 ffff88021c6dd038 ffff8800cd642828 ffff8800cd6= 427f8 kernel: Call Trace: kernel: [] dump_stack+0x4b/0x72 kernel: [] warn_slowpath_common+0x82/0xc0 kernel: [] warn_slowpath_fmt+0x5c/0x80 kernel: [] ? kernfs_find_and_get_ns+0x48/0x60 kernel: [] ? kfree_const+0x22/0x30 kernel: [] sysfs_remove_group+0x8b/0x90 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x260 kernel: [] ? device_remove_file+0x19/0x20 kernel: [] attribute_container_class_device_del+0x1a= /0x20 kernel: [] transport_remove_classdev+0x4e/0x60 kernel: [] ? transport_add_class_device+0x40/0x40 kernel: [] attribute_container_device_trigger+0xce/0= xe0 kernel: [] transport_remove_device+0x15/0x20 kernel: [] sas_rphy_remove+0x50/0x70 [scsi_transport= _sas] kernel: [] sas_rphy_delete+0x12/0x20 [scsi_transport= _sas] kernel: [] sas_destruct_devices+0x63/0x90 [libsas] kernel: [] process_one_work+0x14b/0x440 kernel: [] worker_thread+0x48/0x4a0 kernel: [] ? process_one_work+0x440/0x440 kernel: [] ? process_one_work+0x440/0x440 kernel: [] kthread+0xd8/0xf0 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: [] ret_from_fork+0x3f/0x70 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: ---[ end trace 640cb81c5c1e9aa8 ]--- kernel: ------------[ cut here ]------------ kernel: WARNING: CPU: 4 PID: 16820 at /mnt/Linux/linux/fs/sysfs/group.c= :237 sysfs_remove_group+0x8b/0x90() kernel: sysfs group ffffffff818a3b60 not found for kobject 'end_device-= 7:7' kernel: Modules linked in: fuse nf_conntrack_netbios_ns nf_conntrack_br= oadcast xt_tcpudp ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject= _ipv4 xt_conntrack ip_set nfnetlink ebtable_bro kernel: snd_usbmidi_lib videobuf2_v4l2 snd_rawmidi snd_seq_device mous= edev gf128mul input_leds joydev led_class glue_helper snd_hda_codec_hdmi snd_hda_codec_realtek videobuf2_core r8169 v4l2_commo kernel: libsas libahci scsi_transport_sas syscopyarea sysfillrect sysi= mgblt fb_sys_fops drm libata usbcore usb_common scsi_mod i2c_core wmi i8042 s= erio button ip_tables x_tables [last unloaded: dr kernel: CPU: 4 PID: 16820 Comm: kworker/u16:8 Tainted: P W O =20 4.4.0-ARCH-dirty #1 kernel: Hardware name: Gigabyte Technology Co., Ltd. GA-990FXA-UD3/GA-990FXA-UD3, BIOS FFe 11/08/2013 kernel: Workqueue: scsi_wq_7 sas_destruct_devices [libsas] kernel: 0000000000000000 00000000ad666a1d ffff8801d3103c88 ffffffff812= bf949 kernel: ffff8801d3103cd0 ffff8801d3103cc0 ffffffff810764f2 00000000000= 00000 kernel: ffffffff818a3b60 ffff88021c6dcc10 ffff8800cd642828 ffff8800cd6= 427f8 kernel: Call Trace: kernel: [] dump_stack+0x4b/0x72 kernel: [] warn_slowpath_common+0x82/0xc0 kernel: [] warn_slowpath_fmt+0x5c/0x80 kernel: [] ? kernfs_find_and_get_ns+0x48/0x60 kernel: [] ? kfree_const+0x22/0x30 kernel: [] sysfs_remove_group+0x8b/0x90 kernel: [] dpm_sysfs_remove+0x57/0x60 kernel: [] device_del+0x58/0x260 kernel: [] sas_rphy_remove+0x58/0x70 [scsi_transport= _sas] kernel: [] sas_rphy_delete+0x12/0x20 [scsi_transport= _sas] kernel: [] sas_destruct_devices+0x63/0x90 [libsas] kernel: [] process_one_work+0x14b/0x440 kernel: [] worker_thread+0x48/0x4a0 kernel: [] ? process_one_work+0x440/0x440 kernel: [] ? process_one_work+0x440/0x440 kernel: [] kthread+0xd8/0xf0 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: [] ret_from_fork+0x3f/0x70 kernel: [] ? kthread_worker_fn+0x170/0x170 kernel: ---[ end trace 640cb81c5c1e9aaa ]--- kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1257:found dev[3:5= ] is gone. kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1975:phy 7 ctrl sts=3D0x00111000. kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1977:phy 7 irq sts= =3D 0x00000081 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1961:Get signature= time out, reset phy 7 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1975:phy 7 ctrl sts=3D0x00000000. kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1977:phy 7 irq sts= =3D 0x00001001 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1975:phy 7 ctrl sts=3D0x00111000. kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1977:phy 7 irq sts= =3D 0x00000081 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_94xx.c 837:get all reg l= ink rate is 0x111000 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_94xx.c 842:get link rate= is 9 kernel: mvsas 0000:07:00.0: Phy3 : No sig fis kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1919:phy3 Attached= Device kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1975:phy 7 ctrl sts=3D0x00111000. kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1977:phy 7 irq sts= =3D 0x00010000 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 2026:notify plug i= n on phy[3] kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_94xx.c 837:get all reg l= ink rate is 0x111000 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_94xx.c 842:get link rate= is 9 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1079:phy 7 attach = dev info is 20001 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 1081:phy 7 attach = sas addr is 7 kernel: /mnt/Linux/linux/drivers/scsi/mvsas/mv_sas.c 277:phy 7 byte dma= ded. kernel: sas: phy-7:7 added to port-7:7, phy_mask:0x8 ( 700000000000000) kernel: sas: DOING DISCOVERY on port 7, pid:11432 kernel: sas: DONE DISCOVERY on port 7, pid:11432, result:0 kernel: sas: Enter sas_scsi_recover_host busy: 0 failed: 0 kernel: sas: ata7: end_device-7:0: dev error handler kernel: sas: ata8: end_device-7:1: dev error handler kernel: sas: ata9: end_device-7:2: dev error handler kernel: sas: ata10: end_device-7:3: dev error handler kernel: sas: ata11: end_device-7:4: dev error handler kernel: sas: ata12: end_device-7:5: dev error handler kernel: sas: ata13: end_device-7:6: dev error handler kernel: sas: ata20: end_device-7:7: dev error handler kernel: sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1 --=20 You are receiving this mail because: You are the assignee for 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