Re: Sporadic errors while initializing NICs in example applications, dpdk-1.5.0r1

[Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>]

Hello,

22/11/2013 13:29, Dmitry Vyal :
> EAL: PCI device 0000:02:00.0 on NUMA socket -1
> EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
> EAL:   PCI memory mapped at 0x7f6b83687000
> EAL:   PCI memory mapped at 0x7f6b83683000
> EAL: PCI device 0000:02:00.1 on NUMA socket -1
> EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
> EAL:   PCI memory mapped at 0x7f6b83663000
> EAL:   PCI memory mapped at 0x7f6b8365f000
[...]
> EAL: Error - exiting with code: 1
>    Cause: No Ethernet ports - bye
> 
> Any ideas how to investigate this?

Could you try this patch in order to see the root cause of your issue ?

--- a/lib/librte_pmd_ixgbe/ixgbe_logs.h
+++ b/lib/librte_pmd_ixgbe/ixgbe_logs.h
@@ -34,41 +34,44 @@
 #ifndef _IXGBE_LOGS_H_
 #define _IXGBE_LOGS_H_
 
+#define PMD_LOG(level, fmt, args...) \
+	RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ##args)
+
 #ifdef RTE_LIBRTE_IXGBE_DEBUG_INIT
-#define PMD_INIT_LOG(level, fmt, args...) \
-	RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ## args)
+#define PMD_INIT_LOG(level, fmt, args...) PMD_LOG(level, fmt, ##args)
 #define PMD_INIT_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
 #else
-#define PMD_INIT_LOG(level, fmt, args...) do { } while(0)
+#define PMD_INIT_LOG(level, fmt, args...) \
+	(void)(RTE_LOG_##level <= RTE_LOG_ERR ? PMD_LOG(level, fmt, ##args) : 0)
 #define PMD_INIT_FUNC_TRACE() do { } while(0)
 #endif
 
 #ifdef RTE_LIBRTE_IXGBE_DEBUG_RX
-#define PMD_RX_LOG(level, fmt, args...) \
-	RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ## args)
+#define PMD_RX_LOG(level, fmt, args...) PMD_LOG(level, fmt, ##args)
 #else
-#define PMD_RX_LOG(level, fmt, args...) do { } while(0)
+#define PMD_RX_LOG(level, fmt, args...) \
+	(void)(RTE_LOG_##level <= RTE_LOG_ERR ? PMD_LOG(level, fmt, ##args) : 0)
 #endif
 
 #ifdef RTE_LIBRTE_IXGBE_DEBUG_TX
-#define PMD_TX_LOG(level, fmt, args...) \
-	RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ## args)
+#define PMD_TX_LOG(level, fmt, args...) PMD_LOG(level, fmt, ##args)
 #else
-#define PMD_TX_LOG(level, fmt, args...) do { } while(0)
+#define PMD_TX_LOG(level, fmt, args...) \
+	(void)(RTE_LOG_##level <= RTE_LOG_ERR ? PMD_LOG(level, fmt, ##args) : 0)
 #endif
 
 #ifdef RTE_LIBRTE_IXGBE_DEBUG_TX_FREE
-#define PMD_TX_FREE_LOG(level, fmt, args...) \
-	RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ## args)
+#define PMD_TX_FREE_LOG(level, fmt, args...) PMD_LOG(level, fmt, ##args)
 #else
-#define PMD_TX_FREE_LOG(level, fmt, args...) do { } while(0)
+#define PMD_TX_FREE_LOG(level, fmt, args...) \
+	(void)(RTE_LOG_##level <= RTE_LOG_ERR ? PMD_LOG(level, fmt, ##args) : 0)
 #endif
 
 #ifdef RTE_LIBRTE_IXGBE_DEBUG_DRIVER
-#define PMD_DRV_LOG(level, fmt, args...) \
-	RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ## args)
+#define PMD_DRV_LOG(level, fmt, args...) PMD_LOG(level, fmt, ##args)
 #else
-#define PMD_DRV_LOG(level, fmt, args...) do { } while(0)
+#define PMD_DRV_LOG(level, fmt, args...) \
+	(void)(RTE_LOG_##level <= RTE_LOG_ERR ? PMD_LOG(level, fmt, ##args) : 0)
 #endif
 
 #endif /* _IXGBE_LOGS_H_ */

-- 
Thomas