Fcp_err12 Communication Protocol Error

MODE APPLIES TO AIX 6100-05 AIX devices.pci.df1000f7.com.6.1.5.5 Subscribe You can track all active APARs for this component. APAR status Closed as program error. fcp_err4 Error description When interop mode is enabled on a Fibre Channel Switch aix sense data decoder it causes a change of the N_Port the AIX adapter is using. In some cases it may cause

4b436a3d

the AIX adapter to wrongly assume the fabric name server is located at a different N_Port causing all GID_PN / Nameserver queries to be re-directed to the wrong port causing any future Dynamic tacking requests to fail / time out. You may see the following in the AIX errpt: -------- fscsi0 T FCP_ERR12 Nameserver GID_PN or GPN_ID failed by adapter driver fscsi0 T FCP_ERR4 ioctl() send seq failure for port 0xFFFFFC; ENODEV -------- this would be seen in an errpt entry as follows: ---------------- LABEL: FCP_ERR12 .. .. .. Detail Data SENSE DATA 0000 0010 0000 00AC ^^ .. .. ----------------------------- and ---------------------------- LABEL: FCP_ERR4 .. .. .. Detail Data SENSE DATA 0000 0010 0000 00A5 ^^ .. .. ------------------------------------- Local fix Possiable fixes are : Avoid changing interop mode on the FC switch Disable Dynamic tracking and rmdev all hdisks After a dynamic tracking event, induce a link bounce or port disable / port enable on the FC switch Problem summary The following errpt entries would be seen: LABEL: FCP_ERR12 .. .. .. Detail Data SENSE DATA 0000 0010 0000 00AC .. .. ----------------------------- and ---------------------------- LABEL: FCP_ERR4 .. .. .. Detail Data SENSE DATA 0000 0010 0000 00A5 .. .. I/O could hang as well. Problem conclusion A check was added to only unregister login if appropriate. Temporary fix Comments APAR Information APAR numberIZ90076 Reported component nameVIRTUAL I/O SER Reported component ID5765G3400 Reported release210 StatusCLOSED PER PENoPE HIPERNoHIPER Submitted date2010-12-02 Closed date2011-02-01 Last modified date2011-07-01 APAR is sysrouted FROM one or more of the following: APAR is sysrouted TO one or more of the following: IZ90128 IZ90710 IZ94365 IZ97366 IZ98107 IZ98294 IZ98316 Fix informat

ERROR
4B436A3D 1217085709 T H fscsi0 LINK ERROR
26623394 1217085709 T H fscsi0 COMMUNICATION PROTOCOL ERROR
4B436A3D 1217085709 T H fscsi0 LINK ERROR
26623394 1217085709 T H fscsi0 COMMUNICATION PROTOCOL ERROR
4B436A3D 1217085709 T H fscsi0 LINK ERROR
26623394 1217085709 T H fscsi0 COMMUNICATION PROTOCOL ERROR
4B436A3D 1217085709 T H fscsi0 LINK ERROR
26623394 1217085709 T H fscsi0 COMMUNICATION PROTOCOL ERROR
2. From oem_setup_env. You will see half of the paths are in a failed state:
# pcmpath query device Total Dual Active and Active/Asymmetrc Devices : 25 DEV#: 2 DEVICE http://www.ibm.com/support/docview.wss?uid=isg1IZ90076 NAME: hdisk2 TYPE: 2145 ALGORITHM: Load Balance SERIAL: 6005076801930133680000000000006F ========================================================================== Path# Adapter/Path Name State Mode Select Errors 0 fscsi0/path0 FAILED NORMAL 1142392 56 1 fscsi0/path1 FAILED NORMAL 1051120 56 2* fscsi0/path2 FAILED NORMAL 78 56 3* fscsi0/path3 FAILED NORMAL 78 56 4 fscsi1/path4 OPEN NORMAL 1043873 0 5 fscsi1/path5 OPEN NORMAL 1043741 0 6* fscsi1/path6 OPEN NORMAL 22 0 7* fscsi1/path7 OPEN NORMAL 22 0 DEV#: 3 DEVICE NAME: hdisk3 TYPE: http://tacomadata.com/node/21 2145 ALGORITHM: Load Balance SERIAL: 60050768019301336800000000000071 ========================================================================== Path# Adapter/Path Name State Mode Select Errors 0* fscsi0/path0 FAILED NORMAL 99458 57 1* fscsi0/path1 FAILED NORMAL 79 57 2 fscsi0/path2 FAILED NORMAL 1394 57 3 fscsi0/path3 FAILED NORMAL 1389 57 4* fscsi1/path4 OPEN NORMAL 80 0 5* fscsi1/path5 OPEN NORMAL 23 0 6 fscsi1/path6 OPEN NORMAL 1312 0 7 fscsi1/path7 OPEN NORMAL 1364 0 3. During parts replacement procedure from HMC you will receive a message that some devices are in use and need to be removed prior to FRU replacement. They will be the PCI slot and fc device. In this case they were fcs0 and pci8. Remove the slot recursively.
rmdev -Rdl pci8
This will actually delete it and all of the children devices from the ODM. Once this is done you can complete the FRU replacement. 4. You will run cfgmgr as part of the FRU replacement. You may recieve and error, don't worry about it. Now you have to update the SVC host config with the new WWN of the replaced HBA. Run the following to get it:
# lscfg -vl fcs0
fcs0 U7879.001.DQDKDNR-P1-C4-T1 FC Adapter Part Number.................46K6838 Serial Number...............1B835048BF Manufacturer................001B EC Level....................A Customer Card ID Number.....280D FRU Number.................. 46K6838 Device Specific.(ZM)........3 Network Address............

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REQUEST BY X.25 ADAPTER 02288DD6 LAN805C Perm S SOFTWARE PROGRAM ERROR 0375DFC2 X25_ALERT9 TEMP H X-9 FRAME TYPE W RECEIVED 038F2580 SCSI_ERR7 UNKN H UNDETERMINED ERROR 038F3117 MPQP_DSRDRP TEMP H COMMUNICATION PROTOCOL ERROR 03ACD152 NB20 PERM S SOFTWARE PROGRAM ERROR 0429B097 LAN8053 Perm S SOFTWARE PROGRAM ERROR 04B1C8C0 VCA_INITZ TEMP S HOST INDEPENDENT INITIALIZATION FAILED 0502F666 SCSI_ERR1 PERM H ADAPTER ERROR 069DB93B MEM2 PERM H MEMORY FAILURE 06ABB2EB COM_CFG_BUST PERM S CONFIGURATION FAILED: BAD BUS TYPE 06BF7820 SKFX_NDD_SWE PERM S NDD SOFTWARE ERROR 0733FFA0 SDA_ERR2 TEMP H STORAGE SUBSYSTEM FAILURE 0734DA1D DISKETTE_ERR3 PERM H DISKETTE MEDIA ERROR 0873CF9F TTY_TTYHOG TEMP S TTYHOG OVER-RUN 087468D0 PSLA002 TEMP S SOFTWARE PROGRAM ERROR 0A667C32 WHP0001 TEMP S SOFTWARE PROGRAM ERROR 0A940597 NB9 TEMP S SOFTWARE PROGRAM ERROR 0B92623A LAN8021 Temp S SOFTWARE PROGRAM ERROR 0BA49C99 SCSI_ERR10 TEMP H SCSI BUS ERROR 0C1EC9FA LVM_SA_WRTERR UNKN H FAILED TO WRITE VOLUME GROUP STATUS AREA 0C5B30AF LAN8026 Temp S SOFTWARE PROGRAM ERROR 0CACEC26 RS_PROG_IOCC UNKN S SOFTWARE ERROR: IOCC NOT CONFIGURED 0CFAD921 RS_PROG_SLIH UNKN S SOFTWARE ERROR: CANNOT FIND SLIH 0D5C1698 X25_ALERT33 PERM H X-33 (DCE) RESET INDICATION X.25 ADAPTER 0E017ED1 MEMORY PERM H MEMORY FAILURE 0E37FE58 LVM_BBEPOOL UNKN H PV NO LONGER RELOCATING NEW BAD BLOCKS 0EC7E7E5 EPOW_RES UNKN H ELECTRICAL POWER RESUMED 103F1912 X25_ALERT34 TEMP H X-34 (DCE) RESTART INDICATION X.25 ADAPT 10C6CED6 MPQP_RCVERR TEMP H COMMUNICATION PROTOCOL ERROR 1104AA28 SYS_RESET TEMP S SYSTEM RESET INTERRUPT RECEIVED 122FD42E LAN8050 Perm S SOFTWARE PROGRAM ERROR 1251B5B7 LION_HRDWRE PERM S CANNOT ACCESS MEMORY: 64 PORT CONTROLLER 13881423 SCSI_ERR4 TEMP H MICROCODE PROGRAM ERROR 13C8A0AA NB22 PERM S SOFTWARE PROGRAM ERROR 142F604D LAN003A Temp S SOFTWARE PROGRAM ERROR 150ACBA4 X25_ALERT39 TEMP H X-39 (DCE) TIMEOUT ON CLEAR IND, T13 1581762B DISK_ERR4 TEMP H DISK OPERATION ERROR 1588DDD9 CDROM_ERR3 PERM H OPTICAL DISK DRIVE ERROR 162E0250 LAN8091 Perm S SOFTWARE PROGRAM ERROR 1642B5A7 X25_ALERT26 PERM H