Hi Bart, On 2/8/17, 7:02 AM, "Bart Van Assche" <Bart.VanAssche@xxxxxxxxxxx> wrote: >On Fri, 2017-02-03 at 14:40 -0800, Himanshu Madhani wrote: >> Please consider this series for inclusion in target-pending. > >Hello Himanshu, > >I gave this patch series a try on a system equipped with two QLogic FC HBAs >where an FC cable connects both HBAs to each other. qlini_mode has been set >to "dual" such that both ports support initiator and target mode. Without this >patch series both ports log in to each other and lsscsi shows several LUNs. >With this patch series applied the two ports do not log in to each other >anymore and strange messages appear in the kernel log: > >------------[ cut here ]------------ >WARNING: CPU: 0 PID: 5 at lib/kobject.c:244 kobject_add_internal+0x118/0x350 >kobject_add_internal failed for 3:0:0:0 (error: -2 parent: target3:0:0) >Modules linked in: target_core_pscsi target_core_iblock target_core_file tcm_qla2xxx target_core_mod fcoe libfcoe libfc qla2xxx scsi_transport_fc netconsole af_packet hid_generic usbhid hid sg virtio_balloon i2c_piix4 acpi_cpufreq button ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 ext4 crc16 jbd2 mbcache sr_mod cdrom ata_generic pata_acpi virtio_net virtio_blk virtio_gpu drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm i2c_core ata_piix xhci_pci libata xhci_hcd intel_agp usbcore intel_gtt virtio_pci scsi_mod virtio_ring usb_common agpgart virtio >CPU: 0 PID: 5 Comm: kworker/u16:0 Not tainted 4.10.0-rc6-dbg+ #1 >Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 >Workqueue: scsi_wq_3 fc_scsi_scan_rport [scsi_transport_fc] >Call Trace: > dump_stack+0x85/0xc2 > __warn+0xcb/0xf0 > warn_slowpath_fmt+0x4f/0x60 > kobject_add_internal+0x118/0x350 > kobject_add+0x68/0xb0 > device_add+0xfa/0x600 > scsi_sysfs_add_sdev+0x8e/0x270 [scsi_mod] > scsi_probe_and_add_lun+0xca1/0xe30 [scsi_mod] > __scsi_scan_target+0xd3/0x5f0 [scsi_mod] > scsi_scan_target+0xf1/0x100 [scsi_mod] > fc_scsi_scan_rport+0xc0/0xd0 [scsi_transport_fc] > process_one_work+0x1f4/0x6e0 > worker_thread+0x4e/0x4a0 > kthread+0x10c/0x140 > ret_from_fork+0x31/0x40 >---[ end trace 86f40b52873f9529 ]--- >scsi 3:0:0:0: failed to add device: -2 I’ll try to reproduce this. We have not see this issue in our testing and post update. Thanks, Himanshu > >Bart. >Western Digital Corporation (and its subsidiaries) E-mail Confidentiality Notice & Disclaimer: > >This e-mail and any files transmitted with it may contain confidential or legally privileged information of WDC and/or its affiliates, and are intended solely for the use of the individual or entity to which they are addressed. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited. If you have received this e-mail in error, please notify the sender immediately and delete the e-mail in its entirety from your system.
