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

[jigsaw <jigsaw@gmail.com>]

I had exactly same problem and fixed it with same patch since release
1.4. But somehow it stopped to appear even without the patch. I have
no idea what I have done since both the kernel and the driver have
been updated during these days.

On Wed, Nov 27, 2013 at 4:06 PM, Dmitry Vyal <dmitryvyal@gmail.com> wrote:
> 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_ */
>>
>