Comment # 2 on bug 1200000 from Daniel Wagner

It might be something else. The main difference is how the driver
reacts on a failed PLOGIN attempt.


Good case:

> [0000:05:06.1]-2072:7: Async-login - 50:01:10:a0:01:31:d7:2c hdl=2, loopid=7d portid=000001 retries=15 .
> [0000:05:06.1]-5046:7: Async-login failed - hdl=2 portid=000001 status=30 mb0=4006 mb1=7d mb2=0 mb6=0 mb7=0.
> [0000:05:06.1]-20dd:7: qla2x00_async_login_sp_done 50:01:10:a0:01:31:d7:2c res 0 
> [0000:05:06.1]-ffff:7: qla24xx_handle_plogi_done_event 50:01:10:a0:01:31:d7:2c DS 3 LS 7 rc 0 login 0|0 rscn 0|0 data 4005|0 iop 0|0
> [0000:05:06.1]-20eb:7: qla24xx_handle_plogi_done_event 2225 50:01:10:a0:01:31:d7:2c cmd error 0
> [0000:05:06.1]-2134:7: FCPort 50:01:10:a0:01:31:d7:2c disc_state transition: LOGIN_PEND to LOGIN_FAILED - portid=000001.
> [0000:05:06.1]-207d:7: FCPort 50:01:10:a0:01:31:d7:2c state transitioned from UNCONFIGURED to LOST - portid=000001.

The login failed, remote port is marked as lost

> [0000:05:06.1]-400d:7: Relogin scheduled.
> [0000:05:06.1]-4000:7: DPC handler sleeping.
> [0000:05:06.1]-2003:7: Port login OK: logged in ID 0x7d.
> [0000:05:06.1]-20ef:7: qla2x00_update_fcport 50:01:10:a0:01:31:d7:2c
> [0000:05:06.1]-2134:7: FCPort 50:01:10:a0:01:31:d7:2c disc_state transition: LOGIN_FAILED to UPD_FCPORT - portid=000001.
> [0000:05:06.1]-20ee:7: qla2x00_reg_remote_port: 500110a00131d72c. rport 7:0:0 (00000000cc6da31a) is tgt mode
> [0000:05:06.1]-207d:7: FCPort 50:01:10:a0:01:31:d7:2c state transitioned from LOST to ONLINE - portid=000001.
> [0000:05:06.1]-2134:7: FCPort 50:01:10:a0:01:31:d7:2c disc_state transition: UPD_FCPORT to LOGIN_COMPLETE - portid=000001.
> [0000:05:06.1]-400e:7: Relogin end.

A relogin is triggered with success.


Bad case:

> [0000:05:06.1]-20d8:7: qla24xx_fcport_handle_login 50:01:10:a0:01:31:d7:2c DS 0 LS 7 P 0 fl 0 confl 0000000000000000 rscn 0|0 login 0 lid 125 scan 2 fc4type 0
> [0000:05:06.1]-307b:7: qla_chk_n2n_b4_login 50:01:10:a0:01:31:d7:2c DS 0 LS 7 lid 125 retries=16
> [0000:05:06.1]-20bf:7: qla_chk_n2n_b4_login 1628 50:01:10:a0:01:31:d7:2c post login
> [0000:05:06.1]-2134:7: FCPort 50:01:10:a0:01:31:d7:2c disc_state transition: DELETED to LOGIN_PEND - portid=000001.
> [0000:05:06.1]-2072:7: Async-login - 50:01:10:a0:01:31:d7:2c hdl=2, loopid=7d portid=000001 retries=15 .
> [0000:05:06.1]-2069:7: LOOP READY.
> [0000:05:06.1]-5046:7: Async-login failed - hdl=2 portid=000001 status=30 mb0=4006 mb1=7d mb2=0 mb6=0 mb7=0.
> [0000:05:06.1]-20dd:7: qla2x00_async_login_sp_done 50:01:10:a0:01:31:d7:2c res 0 
> [0000:05:06.1]-ffff:7: qla24xx_handle_plogi_done_event 50:01:10:a0:01:31:d7:2c DS 3 LS 7 rc 0 login 0|0 rscn 0|0 data 4005|0 iop 0|0
> [0000:05:06.1]-20eb:7: qla24xx_handle_plogi_done_event 2249 50:01:10:a0:01:31:d7:2c cmd error 0
> [0000:05:06.1]-2134:7: FCPort 50:01:10:a0:01:31:d7:2c disc_state transition: LOGIN_PEND to DELETE_PEND - portid=000001.
> [0000:05:06.1]-210a:7: qlt_unreg_sess sess 00000000d609aa81 for deletion 50:01:10:a0:01:31:d7:2c
> [0000:05:06.1]-2134:7: FCPort 50:01:10:a0:01:31:d7:2c disc_state transition: DELETE_PEND to DELETE_PEND - portid=000001.
> [0000:05:06.1]-f084:7: qlt_free_session_done: se_sess 0000000000000000 / sess 00000000d609aa81 from port 50:01:10:a0:01:31:d7:2c loop_id 0x7d s_id 00:00:01 logout 1 keep 0 els_logo 0
> [0000:05:06.1]-207d:7: FCPort 50:01:10:a0:01:31:d7:2c state transitioned from UNCONFIGURED to LOST - portid=000001.

Login failes again, remote port marked as lost

> [0000:05:06.1]-f086:7: qlt_free_session_done: waiting for sess 00000000d609aa81 logout
> [0000:05:06.1]-2070:7: Async-logout - hdl=0 loop-id=7d portid=000001 50:01:10:a0:01:31:d7:2c explicit 0.
> [0000:05:06.1]-206b:7: qla2x00_configure_loop: exiting normally. local port wwpn 210100e08b3a321b id 0000ef)
> [0000:05:06.1]-4010:7: Loop resync end.
> [0000:05:06.1]-5046:7: Async-logout failed - hdl=3 portid=000001 status=30 mb0=4006 mb1=7d mb2=0 mb6=0 mb7=0.
> [0000:05:06.1]-4000:7: DPC handler sleeping.
> [0000:05:06.1]-f087:7: qlt_free_session_done: sess 00000000d609aa81 logout completed
> [0000:05:06.1]-2134:7: FCPort 50:01:10:a0:01:31:d7:2c disc_state transition: DELETE_PEND to DELETED - portid=000001.
> [0000:05:06.1]-f001:7: Unregistration of sess 00000000d609aa81 50:01:10:a0:01:31:d7:2c finished fcp_cnt 0

Logout is schedulled, remote port marked as deleted and eventually the session
is removed