From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
To: XU Liang <liang.xu@cinfotech.cn>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] eal: map uio resources after hugepages when --base_virtaddr is configured
Date: Wed, 5 Nov 2014 09:58:32 +0000 [thread overview]
Message-ID: <E115CCD9D858EF4F90C690B0DCB4D897268330EA@IRSMSX108.ger.corp.intel.com> (raw)
In-Reply-To: <b4039afa-f5f4-45b9-9322-d4a0d5e9b239@cinfotech.cn>
Patch is missing.
Thanks,
Pablo
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of XU Liang
> Sent: Wednesday, November 05, 2014 9:50 AM
> To: dev
> Subject: [dpdk-dev] [PATCH] eal: map uio resources after hugepages when --
> base_virtaddr is configured
>
>
> When start a secondary process, we got error message "EAL:
> pci_map_resource(): cannot mmap(11, 0x7ffff7fba000, 0x20000, 0x0): Bad
> file descriptor (0x7ffff7fb9000)"
>
> The secondary process link difference shared libraries, so the 0x7ffff7fba000
> is used.
>
> We know the --base_virtaddr is designed for this situation for hugepages.
>
> This patch map the device resouce into address that is after hugepages when
> --base_virtaddr is configured.
next prev parent reply other threads:[~2014-11-05 9:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-05 9:49 XU Liang
2014-11-05 9:58 ` De Lara Guarch, Pablo [this message]
2014-11-05 10:38 ` Thomas Monjalon
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