提交 68d92ebf 编写于 作者: V Vikas Chaudhary 提交者: James Bottomley

[SCSI] qla4xxx: Dump HW/FW reg to figure out what caused FW to be hung for ISP82XX

Signed-off-by: NVikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: NMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: NJames Bottomley <jbottomley@parallels.com>
上级 cb74428e
......@@ -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
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册