From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
To: "Qiu, Michael" <michael.qiu@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] ixgbe: fix segmentation fault when start secondary process
Date: Thu, 18 Dec 2014 10:38:04 +0000 [thread overview]
Message-ID: <E115CCD9D858EF4F90C690B0DCB4D8972688C082@IRSMSX108.ger.corp.intel.com> (raw)
In-Reply-To: <1418897809-14674-1-git-send-email-michael.qiu@intel.com>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Michael Qiu
> Sent: Thursday, December 18, 2014 10:17 AM
> To: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH] ixgbe: fix segmentation fault when start
> secondary process
>
> 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>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
next prev parent reply other threads:[~2014-12-18 10:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-18 10:16 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 [this message]
2014-12-19 6:59 ` [dpdk-dev] [PATCH v2] " Michael Qiu
2014-12-19 8:28 ` Thomas Monjalon
2014-12-19 22:40 ` Thomas Monjalon
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