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| author | Vikas Chaudhary <vikas.chaudhary@qlogic.com> | 2011-05-17 23:17:05 -0700 |
|---|---|---|
| committer | James Bottomley <jbottomley@parallels.com> | 2011-05-24 12:39:20 -0400 |
| commit | 68d92ebf598e205619dea753a9a990aef4ab8f7a (patch) | |
| tree | 944675e3ca25ff2297f01a89636418b25d36f422 | |
| parent | cb74428ee3811d7749d07e00161336ba9f98b394 (diff) | |
| download | op-kernel-dev-68d92ebf598e205619dea753a9a990aef4ab8f7a.zip op-kernel-dev-68d92ebf598e205619dea753a9a990aef4ab8f7a.tar.gz | |
[SCSI] qla4xxx: Dump HW/FW reg to figure out what caused FW to be hung for ISP82XX
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_os.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index c22f2a7..b657ece 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -679,7 +679,27 @@ static void qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) if (ha->seconds_since_last_heartbeat == 2) { ha->seconds_since_last_heartbeat = 0; halt_status = qla4_8xxx_rd_32(ha, - QLA82XX_PEG_HALT_STATUS1); + QLA82XX_PEG_HALT_STATUS1); + + ql4_printk(KERN_INFO, ha, + "scsi(%ld): %s, Dumping hw/fw registers:\n " + " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2:" + " 0x%x,\n PEG_NET_0_PC: 0x%x, PEG_NET_1_PC:" + " 0x%x,\n PEG_NET_2_PC: 0x%x, PEG_NET_3_PC:" + " 0x%x,\n PEG_NET_4_PC: 0x%x\n", + ha->host_no, __func__, halt_status, + qla4_8xxx_rd_32(ha, + QLA82XX_PEG_HALT_STATUS2), + qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_0 + + 0x3c), + qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_1 + + 0x3c), + qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_2 + + 0x3c), + qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_3 + + 0x3c), + qla4_8xxx_rd_32(ha, QLA82XX_CRB_PEG_NET_4 + + 0x3c)); /* Since we cannot change dev_state in interrupt * context, set appropriate DPC flag then wakeup |
