From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Michael Qiu <michael.qiu@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] ixgbe: fix segmentation fault when start secondary process
Date: Fri, 19 Dec 2014 09:28:59 +0100 [thread overview]
Message-ID: <13515017.Dz1pkeJq4x@xps13> (raw)
In-Reply-To: <1418972358-17130-1-git-send-email-michael.qiu@intel.com>
2014-12-19 14:59, Michael Qiu:
> EAL: probe driver: 8086:10fb rte_ixgbe_pmd
> EAL: PCI memory mapped at 0x7f18c2a00000
> EAL: PCI memory mapped at 0x7f18c2a80000
> Segmentation fault (core dumped)
>
> This is introduced by commit: 46bc9d75
> ixgbe: fix multi-process support
> When start primary process with command line:
> ./app/test/test -n 1 -c ffff -m 64
> then start the second one:
> ./app/test/test -n 1 --proc-type=secondary --file-prefix=rte
> This segment-fault will occur.
>
> Root cause is test app on primary process only starts device, but
> the queue need initialized by manually command line.
> So the tx queue is still NULL when secondary process startup.
>
> Reported-by: Yong Liu <yong.liu@intel.com>
> Signed-off-by: Michael Qiu <michael.qiu@intel.com>
> ---
> v2 --> v1:
> Log clean up
Clean-up failed: no need of \n in PMD_INIT_LOG ;)
> + PMD_INIT_LOG(INFO, "No TX queues configured yet. "
> + "Using default TX function\n");
--
Thomas
next prev parent reply other threads:[~2014-12-19 8:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-18 10:16 [dpdk-dev] [PATCH] " Michael Qiu
2014-12-18 10:22 ` Qiu, Michael
2014-12-18 10:27 ` De Lara Guarch, Pablo
2014-12-18 10:28 ` Bruce Richardson
2014-12-18 10:38 ` De Lara Guarch, Pablo
2014-12-19 6:59 ` [dpdk-dev] [PATCH v2] " Michael Qiu
2014-12-19 8:28 ` Thomas Monjalon [this message]
2014-12-19 22:40 ` Thomas Monjalon
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