Hi Nab, I see a bug when running on the iSCSI target ( Datera Inc. iSCSI Target v4.1.0). At this moment I do not know what part of our code is causing it. I am looking into it. Please Let me know if you need more info. Thanks, Arshad [root@wfsc test_suite_iscsi]# uname -a Linux wfsc 3.14.0-rc6+ #2 SMP Tue Apr 29 04:55:14 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux [root@wfsc test_suite_iscsi]# Apr 29 08:33:48 wfsc kernel: [ 463.353742] ------------[ cut here ]------------ Apr 29 08:33:48 wfsc kernel: [ 463.354091] kernel BUG at drivers/target/iscsi/iscsi_target.c:1567! Apr 29 08:33:48 wfsc kernel: [ 463.354091] invalid opcode: 0000 [#1] SMP Apr 29 08:33:48 wfsc kernel: [ 463.354091] Modules linked in: target_core_pscsi target_core_file target_core_iblock iscsi_target_mod target_core_mod xt_CHECKSUM nf_conntrack_netbios_ns nf_conntrack_broadcast bnep bluetooth ip6t_REJECT 6lowpan_iphc rfkill nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_mangle iptable_security iptable_raw be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ppdev joydev snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm microcode e1000 pcspkr snd_timer snd i2c_piix4 i2c_core serio_raw soundcore parport_pc parport binfmt_misc ata_generic pata_acpi uinput Apr 29 08:33:48 wfsc kernel: [ 463.354091] CPU: 0 PID: 1637 Comm: iscsi_trx Not tainted 3.14.0-rc6+ #2 Apr 29 08:33:48 wfsc kernel: [ 463.354091] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 Apr 29 08:33:48 wfsc kernel: [ 463.354091] task: ffff88002914c950 ti: ffff88003bb82000 task.ti: ffff88003bb82000 Apr 29 08:33:48 wfsc kernel: [ 463.354091] RIP: 0010:[<ffffffffa042b2b3>] [<ffffffffa042b2b3>] iscsit_process_nop_out+0x123/0x130 [iscsi_target_mod] Apr 29 08:33:48 wfsc kernel: [ 463.354091] RSP: 0018:ffff88003bb83d78 EFLAGS: 00010246 Apr 29 08:33:48 wfsc kernel: [ 463.354091] RAX: 0000000000000000 RBX: ffff88003c7c8000 RCX: 0000000030006c65 Apr 29 08:33:48 wfsc kernel: [ 463.354091] RDX: ffff88003bb83e58 RSI: 0000000000000000 RDI: ffff88003c7c8000 Apr 29 08:33:48 wfsc kernel: [ 463.354091] RBP: ffff88003bb83d98 R08: 00000000d51d0389 R09: 0000000000000030 Apr 29 08:33:48 wfsc kernel: [ 463.354091] R10: ffff880025074e00 R11: 0000000000000030 R12: ffff88003bb83e58 Apr 29 08:33:48 wfsc kernel: [ 463.354091] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Apr 29 08:33:48 wfsc kernel: [ 463.354091] FS: 0000000000000000(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000 Apr 29 08:33:48 wfsc kernel: [ 463.354091] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Apr 29 08:33:48 wfsc kernel: [ 463.354091] CR2: 00007f733083af98 CR3: 000000003cd7d000 CR4: 00000000000006f0 Apr 29 08:33:48 wfsc kernel: [ 463.354091] Stack: Apr 29 08:33:48 wfsc kernel: [ 463.354091] ffff88003c7c8000 ffff88003bb83e58 0000000000000006 0000000000000000 Apr 29 08:33:48 wfsc kernel: [ 463.354091] ffff88003bb83eb8 ffffffffa042ebc1 ffff88003bb83dc8 ffffffff810a40bf Apr 29 08:33:48 wfsc kernel: [ 463.354091] ffff88003cce3148 ffff880000000200 ffff880000000000 ffff8800290cf8a0 Apr 29 08:33:48 wfsc kernel: [ 463.354091] Call Trace: Apr 29 08:33:48 wfsc kernel: [ 463.354091] [<ffffffffa042ebc1>] iscsi_target_rx_thread+0x4d1/0xf00 [iscsi_target_mod] Apr 29 08:33:48 wfsc kernel: [ 463.354091] [<ffffffff810a40bf>] ? __dequeue_entity+0x2f/0x50 Apr 29 08:33:48 wfsc kernel: [ 463.354091] [<ffffffff8169130e>] ? __schedule+0x38e/0x7a0 Apr 29 08:33:48 wfsc kernel: [ 463.354091] [<ffffffffa042e6f0>] ? iscsi_target_tx_thread+0x210/0x210 [iscsi_target_mod] Apr 29 08:33:48 wfsc kernel: [ 463.354091] [<ffffffff8108fe79>] kthread+0xc9/0xe0 Apr 29 08:33:48 wfsc kernel: [ 463.354091] [<ffffffff8108fdb0>] ? flush_kthread_worker+0x80/0x80 Apr 29 08:33:48 wfsc kernel: [ 463.354091] [<ffffffff8169d3ec>] ret_from_fork+0x7c/0xb0 Apr 29 08:33:48 wfsc kernel: [ 463.354091] [<ffffffff8108fdb0>] ? flush_kthread_worker+0x80/0x80 Apr 29 08:33:48 wfsc kernel: [ 463.354091] Code: 89 e7 41 c7 44 24 0c 29 00 00 00 ba 29 00 00 00 48 89 de e8 f0 cf ff ff 48 89 df e8 48 e2 ff ff 31 c0 eb 8c b8 ea ff ff ff eb 85 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 Apr 29 08:33:48 wfsc kernel: [ 463.354091] RIP [<ffffffffa042b2b3>] iscsit_process_nop_out+0x123/0x130 [iscsi_target_mod] Apr 29 08:33:48 wfsc kernel: [ 463.354091] RSP <ffff88003bb83d78> Apr 29 08:33:48 wfsc kernel: [ 463.420698] ---[ end trace e708346c72cf3103 ]--- -- 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