[dpdk-dev] [PATCH] ixgbe: fix segmentation fault when start secondary process

[De Lara Guarch, Pablo]

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Michael Qiu
> Sent: Thursday, December 18, 2014 10:17 AM
> To: dev at 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 at intel.com>
> Signed-off-by: Michael Qiu <michael.qiu at intel.com>

Acked-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>