On Thu, 2014-07-31 at 16:37 -0700, Nicholas A. Bellinger wrote: > Hi deeepdish, > > Apologies for the delayed response, comments are inline below. > > On Mon, 2014-07-07 at 14:06 -0400, deeepdish wrote: > > Hello, > > > > I've been able to obtain additional logs. The call traces pertaining > > to tcm_qla2xxx are quite frequent when there's a ESXi (5.5.0 update 1) > > connected. > > > > > > Jul 07 13:53:21 localhost.localdomain kernel: Updating session ffff8808e8c8e480 from port 50:01:43:80:03:ba:2f:8e loop_id 3 -> 1 s_id 4:a:1 -> 4:a:1 > > Jul 07 13:53:18 localhost.localdomain kernel: rport-2:0-3: blocked FC remote port time out: removing rport > > Jul 07 13:53:18 localhost.localdomain kernel: rport-4:0-3: blocked FC remote port time out: removing rport > > Jul 07 13:53:16 localhost.localdomain kernel: rport-4:0-5: blocked FC remote port time out: removing rport > > Jul 07 13:53:15 localhost.localdomain kernel: ---[ end trace 71a5cd3df560c243 ]--- > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810ae1f0>] ? insert_kthread_work+0x40/0x40 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff8170083c>] ret_from_fork+0x7c/0xb0 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810ae1f0>] ? insert_kthread_work+0x40/0x40 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810ae2d1>] kthread+0xe1/0x100 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810a7460>] ? rescuer_thread+0x3b0/0x3b0 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810a757b>] worker_thread+0x11b/0x3a0 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810a68e6>] process_one_work+0x176/0x430 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa010b55a>] qlt_del_sess_work_fn+0x8a/0xe0 [qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa08e7791>] tcm_qla2xxx_put_sess+0x41/0x50 [tcm_qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa08e5b52>] tcm_qla2xxx_release_session+0x12/0x20 [tcm_qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa010a102>] qlt_unreg_sess+0x22/0x80 [qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa08e6ecc>] tcm_qla2xxx_clear_nacl_from_fcport_map+0x16c/0x180 [tcm_qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff8108a2fa>] warn_slowpath_null+0x1a/0x20 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff8108a1cd>] warn_slowpath_common+0x7d/0xa0 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff816f0502>] dump_stack+0x45/0x56 > > Jul 07 13:53:15 localhost.localdomain kernel: Call Trace: > > Jul 07 13:53:15 localhost.localdomain kernel: ffff8811e0676040 ffff8808ec0b4660 ffff8811ea3c2c40 ffff8811e0676000 > > Jul 07 13:53:15 localhost.localdomain kernel: 0000000000000000 ffff8811dad15d28 ffffffff8108a1cd ffff8811d8ac7280 > > Jul 07 13:53:15 localhost.localdomain kernel: 0000000000000000 0000000037487358 ffff8811dad15cf0 ffffffff816f0502 > > Jul 07 13:53:15 localhost.localdomain kernel: Workqueue: events qlt_del_sess_work_fn [qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: Hardware name: HP ProLiant BL490c G6, BIOS I21 07/02/2013 > > Jul 07 13:53:15 localhost.localdomain kernel: CPU: 0 PID: 1985 Comm: kworker/0:3 Tainted: G W I 3.14.8-200.fc20.x86_64 #1 > > Jul 07 13:53:15 localhost.localdomain kernel: Modules linked in: tcm_qla2xxx target_core_pscsi target_core_file target_core_iblock iscsi_target_mod target_core_mod team_mode_roundrobin team cfg80211 rfkill iTCO_wdt iTCO_ven > > Jul 07 13:53:15 localhost.localdomain kernel: WARNING: CPU: 0 PID: 1985 at drivers/scsi/qla2xxx/tcm_qla2xxx.c:710 tcm_qla2xxx_clear_nacl_from_fcport_map+0x16c/0x180 [tcm_qla2xxx]() > > Jul 07 13:53:15 localhost.localdomain kernel: ------------[ cut here ]------------ > > Jul 07 13:53:15 localhost.localdomain kernel: ---[ end trace 71a5cd3df560c242 ]--- > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810ae1f0>] ? insert_kthread_work+0x40/0x40 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff8170083c>] ret_from_fork+0x7c/0xb0 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810ae1f0>] ? insert_kthread_work+0x40/0x40 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810ae2d1>] kthread+0xe1/0x100 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810a7460>] ? rescuer_thread+0x3b0/0x3b0 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810a757b>] worker_thread+0x11b/0x3a0 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff810a68e6>] process_one_work+0x176/0x430 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa010b55a>] qlt_del_sess_work_fn+0x8a/0xe0 [qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa08e7791>] tcm_qla2xxx_put_sess+0x41/0x50 [tcm_qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa08e5b52>] tcm_qla2xxx_release_session+0x12/0x20 [tcm_qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa010a102>] qlt_unreg_sess+0x22/0x80 [qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffffa08e6ecc>] tcm_qla2xxx_clear_nacl_from_fcport_map+0x16c/0x180 [tcm_qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff8108a2fa>] warn_slowpath_null+0x1a/0x20 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff8108a1cd>] warn_slowpath_common+0x7d/0xa0 > > Jul 07 13:53:15 localhost.localdomain kernel: [<ffffffff816f0502>] dump_stack+0x45/0x56 > > Jul 07 13:53:15 localhost.localdomain kernel: Call Trace: > > Jul 07 13:53:15 localhost.localdomain kernel: ffff8808eaff0840 ffff8808de20d260 ffff8811e8f5d440 ffff8808eaff0800 > > Jul 07 13:53:15 localhost.localdomain kernel: 0000000000000000 ffff8811dad15d28 ffffffff8108a1cd ffff8808ea3d3b00 > > Jul 07 13:53:15 localhost.localdomain kernel: 0000000000000000 0000000037487358 ffff8811dad15cf0 ffffffff816f0502 > > Jul 07 13:53:15 localhost.localdomain kernel: Workqueue: events qlt_del_sess_work_fn [qla2xxx] > > Jul 07 13:53:15 localhost.localdomain kernel: Hardware name: HP ProLiant BL490c G6, BIOS I21 07/02/2013 > > Jul 07 13:53:15 localhost.localdomain kernel: CPU: 0 PID: 1985 Comm: kworker/0:3 Tainted: G W I 3.14.8-200.fc20.x86_64 #1 > > Jul 07 13:53:15 localhost.localdomain kernel: Modules linked in: tcm_qla2xxx target_core_pscsi target_core_file target_core_iblock iscsi_target_mod target_core_mod team_mode_roundrobin team cfg80211 rfkill iTCO_wdt iTCO_ven > > Jul 07 13:53:15 localhost.localdomain kernel: WARNING: CPU: 0 PID: 1985 at drivers/scsi/qla2xxx/tcm_qla2xxx.c:710 tcm_qla2xxx_clear_nacl_from_fcport_map+0x16c/0x180 [tcm_qla2xxx]() > > Jul 07 13:53:15 localhost.localdomain kernel: ------------[ cut here ]------------ > > Jul 07 13:53:09 localhost.localdomain kernel: rport-4:0-2: blocked FC remote port time out: removing rport > > Jul 07 13:53:09 localhost.localdomain kernel: rport-2:0-0: blocked FC remote port time out: removing rport > > Jul 07 13:52:58 localhost.localdomain kernel: Updating session ffff8808e8c8e480 from port 50:01:43:80:03:ba:2f:8e loop_id 2 -> 3 s_id 4:b:1 -> 4:a:1 > > Jul 07 13:52:57 localhost.localdomain kernel: Updating session ffff8808e8c8e680 from port 50:01:43:80:03:ba:2f:8c loop_id 1 -> 3 s_id 3:b:1 -> 3:a:1 > > > > > > Would it be possible to obtain target side logs with the following debug > bits enabled..? The first involves enabling qla2xxx debugging at > modprobe qla2xxx time with: > > modprobe qla2xxx ql2xextended_error_logging=0x1e40f000 > > and the second is enabling tcm_qla2xxx debugging (via debugfs + > CONFIG_DYNAMIC_DEBUG=y) with: > > echo 'module tcm_qla2xxx +p' > /debug/dynamic_debugging/control > > Having the logs with both of these debug bits enabled would be very > helpful in pinpointing the issue. > > Also, adding CC' for Roland + Joern, as they where the last ones to > touched this specific piece of code.. > > Roland + Joern, I know that at some point you had converted from btree > -> radix trees due to some issues in lib/btree.c code, but never pushed > this conversion patch for tcm_qla2xxx upstream. Can you give an idea of > what caused to conversion to radix trees, and if the bug reported here > is similar..? > Roland + Joern, I'm specifically talking about the following patches: https://github.com/rolandd/qla-target/commit/77bd729e5e9f858495dfded7c08e548bc9ecc9be https://github.com/rolandd/qla-target/commit/79ae07a141950c0008480a46f91d72318a1d799e Can you please confirm if these are related to what deeepdish has reported here..? Thanks, --nab -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
