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From: Stephen Hemminger <stephen@networkplumber.org>
To: 曾懷恩 <the@csie.io>
Cc: users@dpdk.org
Subject: Re: [dpdk-users] segmentation fault after using rte_malloc()
Date: Thu, 18 Apr 2019 19:59:44 -0700
Message-ID: <20190418195944.04c4cec5@hermes.lan> (raw)
In-Reply-To: <5BDADE86-3D04-4BE5-AC95-03BE123ED42B@csie.io>

On Fri, 19 Apr 2019 09:11:05 +0800
曾懷恩 <the@csie.io> wrote:

> 	Hi all, 
> 
> 	i have 1 problem while using rte_malloc
> 
> 	Every time I use this function and use the memory it returns, it shows segmentation fault(core dump)
> 
> 	Is something wrong?
> 
> 	thanks.
> 
> 
> 	rte init …
> 	………...
> 	unsigned char *str1;
> 	printf("str1 addr = %x\n", str1);
> 	str1 = rte_malloc(NULL,2,RTE_CACHE_LINE_SIZE);
> 	printf("str1 addr = %x\n", str1);
> 	str1[0] = 'a’; //segmentation fault here
> 	str1[1] = '\0';
Do you have huge pages?
Did you do eal_init?

  reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-19  1:11 曾懷恩
2019-04-19  2:59 ` Stephen Hemminger [this message]
2019-04-19  3:31   ` 曾懷恩
2019-04-20 20:29     ` Wiles, Keith
2019-04-22  6:43       ` 曾懷恩
2019-04-22 13:09         ` Wiles, Keith
2019-04-23 17:34           ` 曾懷恩
2019-04-24 14:22             ` 曾懷恩
2019-04-24 14:38               ` Wiles, Keith
2019-04-25  3:55                 ` 曾懷恩
2019-04-25  4:18                   ` Wiles, Keith
2020-07-24  4:07 Logan Von

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