[syslinux] core_udp_sendto: no mapping
Joakim Tjernlund
Joakim.Tjernlund at infinera.com
Mon Nov 27 09:07:27 PST 2017
On Mon, 2017-11-27 at 08:42 -0500, Gene Cumm wrote:
> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.
>
>
> Bringing the discussion to the list.
>
> You stated you see the following on your Lenovo ThinkPad T470s with
> UEFI firmware N1WET41W (1.20 date: 10/17/2017):
>
>
> core_udp_sendto: stalling on configure with no mapping
>
>
> OUI 54-E1-AD
>
> lspci -s 0:1f.6 -v
> 00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (4)
> I219-V (rev 21)
> Subsystem: Lenovo Ethernet Connection (4) I219-V
> Flags: bus master, fast devsel, latency 0, IRQ 125
> Memory at dc200000 (32-bit, non-prefetchable) [size=128K]
> Capabilities: [c8] Power Management version 3
> Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
> Capabilities: [e0] PCI Advanced Features
> Kernel driver in use: e1000e
> Kernel modules: e1000e
>
> This might be the only wired NIC but there's possibly multiple device
> handles to it and possibly a device handle to the wrong NIC
> (wireless).
>
> In your EFI shell (hopefully you have such an option):
>
> version > fs0:\efi-ver.txt
> dh -p Net > fs0:\efi-dh-net.txt
>
> Feel free to run it without the redirect (">") to see the results
> yourself. The redirects would help if you can access the files so you
> don't need to manually transcribe the output.
>
> Here's some other UEFI Shell commands that may be of use:
>
> guid > fs0:\efi-guid.txt
> or alias > fs0:\efi-alias.txt
> dh > fs0:\efi-dh.txt
Managed to install an EFI shell from here:
https://github.com/tianocore/edk2/blob/master/ShellBinPkg/UefiShell/X64/Shell.efi
and got a dh > dh.txt
I don't know what to do with this info so attaching it here.
Jocke
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