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Re: [Qemu-discuss] e1000 / pc ~ e1000e / q35


From: Pascal
Subject: Re: [Qemu-discuss] e1000 / pc ~ e1000e / q35
Date: Thu, 31 May 2018 10:04:22 +0200

hi,

here is the requested informations.
I hope it will help you.
I am available if you need more informations.

regards.

2018-05-30 12:18 GMT+02:00 Han Han <address@hidden>:

> I didn't face the problem in rhel. But I suggest you to provide the dmesg
> and modinfo of e1000e in your VM.
>
> On Mon, May 28, 2018 at 9:53 PM, Pascal <address@hidden> wrote:
>
>> the guests are started as follows :
>>
>> /usr/bin/qemu-system-x86_64 -enable-kvm -m 2048 -machine {q35|pc} -usb
>> -hda
>> {arch1|arch2}.img
>>
>> regards.
>>
>> 2018-05-28 15:32 GMT+02:00 Pascal <address@hidden>:
>>
>> > hello,
>> >
>> > I come back to you with this subject that I opened to bring some
>> > clarifications, because my problem remains and also because nobody seems
>> > confronted with it.
>> >
>> > my physical host is an ArchLinux with 4.14.40-1-lts kernel and Qemu
>> 2.12.0.
>> >
>> > in my first virtualisation case, my virtual host - my guest - is an
>> > ArchLinux with 4.9.36-1-lts kernel (e1000e ver. 3.2.6-k) : everything
>> works
>> > normally when I request the assignment of a network address with dhcpcd
>> > (after a few seconds, my guest gets the 10.0.2.15 intended address).
>> >
>> > in my second virtualisation case, my guest is an ArchLinux with
>> > 4.14.40-1-lts kernel (e1000e ver. 3.2.6-k) : no carrier is detected and
>> > therefore no address is assigned to the enp0s2 network card.
>> >
>> > this problem does not appear if I add in both cases the parameter
>> *"-machine
>> > pc"* (which forces the use of the module e1000/ens3 instead of the
>> module
>> > e1000e/enp0s2).
>> >
>> > I think the problem would rather come from the virtualized 4.14.40-1-lts
>> > kernel side because I do not meet it on my physical host which also uses
>> > the e1000e module...
>> >
>> > does anyone have an idea or a lead ?
>> >
>> > regards, lacsaP.
>> >
>> > 2018-05-11 15:39 GMT+02:00 Pascal <address@hidden>:
>> >
>> >> hi,
>> >>
>> >> when I run qemu with machine pc, my virtual network card "runs", but
>> not
>> >> when I run it with machine q35.
>> >>
>> >> in the first case (pc), module e1000 is loaded and dhcpcd on ens3 is
>> ok (
>> >> 10.0.2.15/24).
>> >>
>> >> in the second case (q35), module e1000e is loaded and dhcpcd on enp0s2
>> is
>> >> ko (waiting for carrier/timed out).
>> >>
>> >> does anyone have a lead ?
>> >>
>> >> my host is ArchLinux 4.14.40-1-lts and my guest is ArchLinux
>> >> 4.14.32-1-lts.
>> >>
>> >> regards.
>> >>
>> >
>> >
>>
>
>
>
> --
> Best regards,
> -----------------------------------
> Han Han
> Quality Engineer
> Redhat.
>
> Email: address@hidden
> Phone: +861065339333
>

Attachment: modinfo.diff
Description: Text Data

Attachment: dmesg.diff
Description: Text Data

Attachment: modinfo.4.14.40-1-lts
Description: Binary data

Attachment: modinfo.4.9.36-1-lts
Description: Binary data

Attachment: dmesg.4.14.40-1-lts
Description: Binary data

Attachment: dmesg.4.9.36-1-lts
Description: Binary data


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