HP 3PAR Ubuntu Operating System Implementation Guide

Workaround
Turn on verbose error logging, available with qla2xxx and lpfc. 'QUEUE FULL detected' or 'failed:
x28' indicates a queue-full condition.
ubuntuhost # echo 1 > /sys/module/qla2xxx/parameters/ql2xextended_error_logging
ubuntuhost # tail f /var/log/syslog
Jun 21 08:30:05 dl380pg8-24 kernel: [139703.505821] qla2xxx [0000:0a:00.1]-3820:8:
QUEUE FULL detected.
Jun 21 08:30:05 dl380pg8-24 kernel: [139703.505833] qla2xxx [0000:0a:00.1]-3822:8:
FCP command status: 0x15-0x828 (0x28) nexus=8:2:13 portid=130b00 oxid=0x5bb
cdb=2a0000002e2500000a00 len=0x1400 rsp_info=0x0 resid=0x1400 fw_resid=0x1400.
Jun 21 08:30:05 dl380pg8-24 kernel: [139703.505852] qla2xxx [0000:0a:00.1]-3820:8:
QUEUE FULL detected.
Jun 21 08:30:05 dl380pg8-24 kernel: [139703.505879] qla2xxx [0000:0a:00.1]-3822:8:
FCP command status: 0x15-0x828 (0x28) nexus=8:1:10 portid=130c00 oxid=0x5e1
cdb=2a0000002f0400000400 len=0x800 rsp_info=0x0 resid=0x800 fw_resid=0x800.
# echo 0xffff > /sys/class/scsi_host/host8/lpfc_log_verbose
ubuntuhost # tail f /var/log/syslog
Jun 21 10:30:30 dl380pg8-35 kernel: [ 606.459343] lpfc 0000:0a:00.0: 4:0336 Rsp Ring
0 error: IOCB Data: xff000018 x60 x0 x0 x400 x0 x2850bf2 xa29b12
Jun 21 10:30:30 dl380pg8-35 kernel: [ 606.459353] lpfc 0000:0a:00.0: 4:(0):9030 FCP
cmd x28 failed <0/4> status: x1 result: x400 sid: x130900 did: x130a00 oxid: xffff
Data: x285 xbf2
Jun 21 10:30:30 dl380pg8-35 kernel: [ 606.459359] lpfc 0000:0a:00.0: 4:(0):9024 FCP
command x28 failed: x28 SNS x0 x0 Data: x8 x400 x0 x0 x0
Jun 21 10:30:30 dl380pg8-35 kernel: [ 606.459386] lpfc 0000:0a:00.0: 4:(0):0710 Iodone
<0/4> cmd ffff8810046a9700, error x28 SNS x0 x0 Data: x0 x400
Jun 21 10:30:30 dl380pg8-35 kernel: [ 606.459462] lpfc 0000:0a:00.0: 4:0336 Rsp Ring
0 error: IOCB Data: xff000018 x60 x0 x0 x0 x0 x723092a x829912
Jun 21 10:30:30 dl380pg8-35 kernel: [ 606.459464] lpfc 0000:0a:00.0: 4:(0):9030 FCP
cmd x2a failed <2/7> status: x1 result: x0 sid: x130900 did: x130c00 oxid: xffff
Data: x723 x92a
Jun 21 10:30:30 dl380pg8-35 kernel: [ 606.459466] lpfc 0000:0a:00.0: 4:(0):9024 FCP
command x2a failed: x28 SNS x0 x0 Data: x8 x1800 x0 x0 x0
Jun 21 10:30:30 dl380pg8-35 kernel: [ 606.459469] lpfc 0000:0a:00.0: 4:(0):0710 Iodone
<2/7> cmd ffff88101235c900, error x28 SNS x0 x0 Data: x0 x1800
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