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

[Dmitry Vyal <dmitryvyal-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

Looks like I finally found the reason. After applying this patch I can 
no longer reproduce the error.

diff --git a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_82599.c 
b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_82599.c
index db07789..5f825fa 100644
--- a/lib/librte_pmd_ixgbe/ixgbe/ixgbe_82599.c
+++ b/lib/librte_pmd_ixgbe/ixgbe/ixgbe_82599.c
@@ -2347,7 +2347,7 @@ s32 ixgbe_reset_pipeline_82599(struct ixgbe_hw *hw)
         /* Write AUTOC register with toggled LMS[2] bit and Restart_AN */
         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg ^ 
IXGBE_AUTOC_LMS_1G_AN);
         /* Wait for AN to leave state 0 */
-       for (i = 0; i < 10; i++) {
+       for (i = 0; i < 100; i++) {
                 msec_delay(4);
                 anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1);
                 if (anlp1_reg & IXGBE_ANLP1_AN_STATE_MASK)

On 11/22/2013 04:48 PM, Thomas Monjalon wrote:
> 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_ */
>