Hi Bart,
On 2/8/17, 7:02 AM, "Bart Van Assche" <bart.vanass...@sandisk.com> 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.
