From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Tomasz K <tomasz.kasowicz@gmail.com>, dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] DMAR errors when running testpmd
Date: Wed, 7 May 2014 14:07:25 +0000 [thread overview]
Message-ID: <C6ECDF3AB251BE4894318F4E45123697592ACABC@IRSMSX101.ger.corp.intel.com> (raw)
In-Reply-To: <CAHJKsGzVUqnCf0gC05MDPztw-kuecp3oAmGDCcQiObYF5LVAzA@mail.gmail.com>
Hi Tomasz
It looks like you have your kernel booted with iommu=on. Please check your /proc/cmdline to make sure you didn't accidentally selected the wrong bootloader entry.
> We're trying to run testpmd application on HP Proliant DL380P Gen 8 server.
> We've enabled SR-IOV in BIOS and set appropriate flags when booting kernel
> (iommu=pt intel_iommu=on) The NIC we are using is 82599EB (2 ports, 10Gb
> SFP+)
>
> When running testpmd application we always encouter DMAR error in dmesg
>
> [ 186.302866] dmar: DRHD: handling fault status reg 2 [ 186.302872] dmar:
> DMAR:[DMA Read] Request device [07:00.1] fault addr
> 1f73220000
> [ 186.302872] DMAR:[fault reason 06] PTE Read access is not set [
> 186.302875] dmar: DMAR:[DMA Read] Request device [07:00.0] fault addr
> 1f73200000
> [ 186.302875] DMAR:[fault reason 06] PTE Read access is not set [
> 324.759520] dmar: DRHD: handling fault status reg 202 [ 324.759525] dmar:
> DMAR:[DMA Read] Request device [07:00.1] fault addr
> 1f73220000
> [ 324.759525] DMAR:[fault reason 06] PTE Read access is not set [
> 324.759528] dmar: DMAR:[DMA Read] Request device [07:00.0] fault addr
> 1f73200000
> [ 324.759528] DMAR:[fault reason 06] PTE Read access is not set
Best regards,
Anatoly Burakov
DPDK SW Engineer
next prev parent reply other threads:[~2014-05-07 14:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-07 14:03 Tomasz K
2014-05-07 14:07 ` Burakov, Anatoly [this message]
2014-05-07 14:29 ` Tomasz K
2014-05-07 14:33 ` Burakov, Anatoly
2014-05-07 14:45 ` Burakov, Anatoly
2014-05-07 14:56 ` Tomasz K
2014-05-07 15:08 ` Burakov, Anatoly
2014-05-07 15:11 ` Tomasz K
2014-05-07 15:24 ` Burakov, Anatoly
2014-05-08 7:18 ` Tomasz K
2014-05-08 10:33 ` Yang, Tao Y
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