From: "Qiu, Michael" <michael.qiu@intel.com>
To: Malveeka Tewari <malveeka@gmail.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Error running dpdk app: cannot open /dev/uio
Date: Wed, 3 Dec 2014 01:12:53 +0000 [thread overview]
Message-ID: <533710CFB86FA344BFBF2D6802E60286C9C1C8@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <CAFpzwwPJuvhOzTaMzhDRTnm2xeto9p2Wt6X-yWKduB+GQMaMnA@mail.gmail.com>
Hi Malveeka,
To be sure that you should have [uio, igb_uio] or [uio, uio_pci_generic]
or [vfio] module loaded.
Thanks,
Michael
On 12/3/2014 5:44 AM, Malveeka Tewari wrote:
> Hi
>
> I am trying to run the testpmd app as but I get the following errors:
> EAL: VFIO could not be initialized
> EAL: Cannot open /dev/uio0: No such file or directory
> EAL: Error - exiting with code: 1
> Cause: Requested device 0000:07:00.0 cannot be used
>
> lsmod shows that the uio module is installed.
> Is there anything that's missing?
>
> Thanks!
> Malveeka
>
>
>
> Output on trying to run testpmd
>
> EAL: Detected 16 lcore(s)
> *EAL: cannot open VFIO container, error 2 (No such file or directory)*
> *EAL: VFIO support could not be initialized*
> EAL: Setting up memory...
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fe66ac00000 (size = 0x200000)
> EAL: Ask a virtual area of 0xffc00000 bytes
> EAL: Virtual area found at 0x7fe56ae00000 (size = 0xffc00000)
> EAL: Ask a virtual area of 0x200000 bytes
> EAL: Virtual area found at 0x7fe56aa00000 (size = 0x200000)
> EAL: Ask a virtual area of 0xfec00000 bytes
> EAL: Virtual area found at 0x7fe46bc00000 (size = 0xfec00000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fe46b600000 (size = 0x400000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fe46b000000 (size = 0x400000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fe46aa00000 (size = 0x400000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fe46a400000 (size = 0x400000)
> EAL: Ask a virtual area of 0x400000 bytes
> EAL: Virtual area found at 0x7fe469e00000 (size = 0x400000)
> EAL: Requesting 2048 pages of size 2MB from socket 0
> EAL: Requesting 2048 pages of size 2MB from socket 1
> EAL: TSC frequency is ~2266745 KHz
> EAL: Master core 3 is ready (tid=6cedb800)
> EAL: PCI device 0000:07:00.0 on NUMA socket -1
> EAL: probe driver: 8086:10fb rte_ixgbe_pmd
>
>
> *EAL: Cannot open /dev/uio0: No such file or directoryEAL: Error - exiting
> with code: 1 Cause: Requested device 0000:07:00.0 cannot be used*
>
next prev parent reply other threads:[~2014-12-03 1:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-02 21:43 Malveeka Tewari
2014-12-03 1:12 ` Qiu, Michael [this message]
2014-12-03 1:25 ` Malveeka Tewari
2014-12-03 1:36 ` Qiu, Michael
2014-12-03 1:41 ` Malveeka Tewari
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