[Open-FCoE] (no subject)

aniket jadhav aniket_hj at yahoo.com
Thu Sep 25 16:38:17 UTC 2008


hello,

the initiator is crashing after exchanging packets with the target



some messages seen at the initiator side are : 



Sep 25 21:09:30 localhost kernel: :>>inside fc_fcp_pkt_free<6>

Sep 25 21:09:30 localhost kernel: :>>inside
fc_exch_release<5>scsi 3:0:0:0: Direct-Access     VMware,  VMware
Virtual S 1.0  PQ: 0 ANSI: 2

Sep 25 21:09:30 localhost kernel: 



Sep 25 21:09:30 localhost kernel: :>>inside fc_fcp_pkt_free<6>

Sep 25 21:09:30 localhost kernel: :>>inside
fc_exch_release<5>sd 3:0:0:0: [sdb] 25165824 512-byte hardware
sectors (12885 MB)

Sep 25 21:09:30 localhost kernel: 

Sep 



Sep 25 21:17:17 localhost kernel: :>>inside
fc_fcp_resp<6>fc_fcp_resp short FCP response. flags 0x8 len 36
respl 0 snsl 0

Sep 25 21:17:17 localhost kernel: 

Sep 25 21:17:17 localhost kernel: :>>inside fc_fcp_complete<6>



Sep 25 21:17:17 localhost kernel: :>>inside fc_exch_release<5>sd 3:0:0:0: [sdb] Write Protect is off

Sep 25 21:17:17 localhost kernel: 

Sep 

Sep 25 21:18:17 localhost kernel: :>>inside fc_fcp_pkt_free<5>sd 3:0:0:0: [sdb] Cache data unavailable

Sep 25 21:18:17 localhost kernel: sd 3:0:0:0: [sdb] Assuming drive cache: write through

Sep 25 21:18:17 localhost kernel: 

Sep 

Sep 25 21:21:17 localhost kernel: :>>inside fc_exch_release<5>sd 3:0:0:0: [sdb] Attached SCSI disk

Sep 25 21:21:17 localhost kernel: sd 3:0:0:0: Attached scsi generic sg2 type 0

Sep 25 21:21:17 localhost kernel: 

Sep 

Sep 25 21:21:32 localhost kernel: :>>inside fcoe_watchdog<6>

Sep 25 21:21:32 localhost kernel: :>>inside fcoe_check_wait_queue<6>fc_fcp_pkt_abort target abort cmd  failed

Sep 25 21:21:32 localhost kernel: 



Sep 25 21:21:32 localhost kernel: :>>inside fc_exch_releaseBUG: atomic counter underflow at:

Sep 25 21:21:32 localhost kernel: Pid: 2449, comm: fcoethread/0 Tainted: P          2.6.27-rc1-mm1 #7

Sep 25 21:21:32 localhost kernel:  [<d0b31c9c>] fc_exch_release+0x26/0xc8 [libfc]

Sep 25 21:21:32 localhost kernel:  [<d0b435ea>] fcoe_percpu_receive_thread+0x43f/0x48f [fcoe]

Sep 25 21:21:32 localhost kernel:  [<d0b431ab>] fcoe_percpu_receive_thread+0x0/0x48f [fcoe]

Sep 25 21:21:32 localhost kernel:  [<c0433d07>] kthread+0x38/0x5d

Sep 25 21:21:32 localhost kernel:  [<c0433ccf>] kthread+0x0/0x5d

Sep 25 21:21:32 localhost kernel:  [<c04044cb>] kernel_thread_helper+0x7/0x10

Sep 25 21:21:32 localhost kernel:  =======================

Sep 25 21:21:33 localhost kernel: 

Sep 25 21:21:33 localhost kernel: :>>inside fcoe_watchdog<6>

Sep 

Sep 25 21:21:42 localhost kernel: :>>inside fcoe_check_wait_queue<6>fc_lun_reset lun reset failed

Sep 25 21:21:42 localhost kernel: :>>inside fc_rport_unlock<4>------------[ cut here ]------------

Sep 25 21:21:42 localhost kernel: WARNING: at kernel/softirq.c:136 local_bh_enable_ip+0x2f/0x79()

Sep 25 21:21:42 localhost kernel: Modules linked in: fcoe libfc
scsi_transport_fc scsi_tgt autofs4 sunrpc dm_mirror dm_log dm_multipath
dm_mod ipv6 snd_ens1371 gameport snd_rawmidi snd_ac97_codec ac97_bus
snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device
snd_pcm_oss snd_mixer_oss snd_pcm snd_timer pcnet32 snd floppy mii
i2c_piix4 soundcore pcspkr vmxnet(P) snd_page_alloc parport_pc i2c_core
parport ac button sr_mod sg cdrom ata_piix libata mptspi mptscsih
mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd mbcache uhci_hcd
ohci_hcd [last unloaded: fcoe]

Sep 25 21:21:42 localhost kernel: Pid: 2453, comm: scsi_eh_3 Tainted: P          2.6.27-rc1-mm1 #7

Sep 25 21:21:42 localhost kernel:  [<c04248e8>] warn_on_slowpath+0x40/0x63

Sep 25 21:21:42 localhost kernel:  [<c0420039>] proc_sched_show_task+0xaed/0xd2f

Sep 25 21:21:42 localhost kernel:  [<c04079ce>] read_tsc+0x6/0x22

Sep 25 21:21:42 localhost kernel:  [<c04371da>] up+0x9/0x2a

Sep 25 21:21:42 localhost kernel:  [<c04371da>] up+0x9/0x2a

Sep 25 21:21:42 localhost kernel:  [<c0424def>] release_console_sem+0x16a/0x183

Sep 25 21:21:42 localhost kernel:  [<c04e5c03>] kobject_get+0xf/0x13

Sep 25 21:21:42 localhost kernel:  [<d0859212>] __scsi_iterate_devices+0x50/0x58 [scsi_mod]

Sep 25 21:21:42 localhost kernel:  [<c04284aa>] local_bh_enable_ip+0x2f/0x79

Sep 25 21:21:42 localhost kernel:  [<d0b35b59>] fc_rport_reset+0xb5/0x115 [libfc]

Sep 25 21:21:42 localhost kernel:  [<d0b357c1>] fc_rport_reset_list+0x3a/0x62 [libfc]

Sep 25 21:21:42 localhost kernel:  [<d0b33a1c>] fc_lport_set_fid+0x4a/0x4d [libfc]

Sep 25 21:21:42 localhost kernel:  [<d0b33f79>] fc_lport_enter_reset+0xaf/0xc3 [libfc]

Sep 25 21:21:42 localhost kernel:  [<d0b340eb>] fc_lport_reset+0x22/0x2f [libfc]

Sep 25 21:21:42 localhost kernel:  [<d0b36dfc>] fc_eh_host_reset+0x1c/0x29 [libfc]

Sep 25 21:21:42 localhost kernel:  [<d085bbbe>] scsi_try_host_reset+0x3a/0x88 [scsi_mod]

Sep 25 21:21:42 localhost kernel:  [<d085c5ef>] scsi_eh_ready_devs+0x3e9/0x4c7 [scsi_mod]

Sep 25 21:21:42 localhost kernel:  [<d085ccd5>] scsi_error_handler+0x2ab/0x3f5 [scsi_mod]

Sep 25 21:21:42 localhost kernel:  [<d085ca2a>] scsi_error_handler+0x0/0x3f5 [scsi_mod]

Sep 25 21:21:42 localhost kernel:  [<c0433d07>] kthread+0x38/0x5d

Sep 25 21:21:42 localhost kernel:  [<c0433ccf>] kthread+0x0/0x5d

Sep 25 21:21:42 localhost kernel:  [<c04044cb>] kernel_thread_helper+0x7/0x10

Sep 25 21:21:42 localhost kernel:  =======================

Sep 25 21:21:42 localhost kernel: ---[ end trace 0902f7427c02fb5c ]---

Sep 25 21:21:42 localhost kernel: 





the last function seen in the call trace shown during the crash is fc_fcp_resp

the crash snapshots have been attached 



can anyone help ?

thank you !





      


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