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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 23:40:33 +0100	[thread overview]
Message-ID: <1810907.O11zm5mpBE@xps13> (raw)
In-Reply-To: <13515017.Dz1pkeJq4x@xps13>

2014-12-19 09:28, Thomas Monjalon:
> 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");

Applied with above change. 

Thanks
-- 
Thomas

      reply	other threads:[~2014-12-19 22:41 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
2014-12-19 22:40     ` Thomas Monjalon [this message]

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