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[Qemu-devel] [Bug 638955] Re: emulated netcards don't work with recent s


From: daniel pecka
Subject: [Qemu-devel] [Bug 638955] Re: emulated netcards don't work with recent sunos kernel
Date: Mon, 20 Sep 2010 08:02:12 -0000

well, feel free to request whichever information you could need or
consider as a helpful ..

just for your information after ping via e1000 adapter i can see `arp
-n` entry in target system and icmp packets are delivered ok. i'd like
to presume that there is some little issue because e1000 driver is
really just one taken from sunos kernel the best (althought that we've
issue with receiving) .. all others work like trash (no statistic, no
available modes, ..)

but as i said, i have *nothing indicating a problem in logs, i already
put here a kernel statistic for this driver in attachment ..

regards, daniel

-- 
emulated netcards don't work with recent sunos kernel
https://bugs.launchpad.net/bugs/638955
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.

Status in QEMU: New

Bug description:
hi there,

i'm using qemu-kvm backend in version: # qemu-kvm -version
QEMU PC emulator version 0.12.5 (qemu-kvm-0.12.5), Copyright (c) 2003-2008 
Fabrice Bellard

and there are just *not working any of model=$type with combinations of recent 
sunos (solaris, openindiana, opensolaris, ..) ..

you can download for testing purposes iso from here: 
http://dlc-origin.openindiana.org/isos/147/ or from here: 
http://genunix.org/distributions/indiana/ << osol and oi are also bubuntu-like 
*live cds, so no need to bother with installing

behaviour is as follows:
e1000 - receiving doesn't work, transmitting works .. dladm (tool for handle 
ethers) shows that is all ok, correct mode is loaded up, it just seems like 
this driver works at 100% but ..

rtl8169|pcnet - works in 10Mbit mode with several other issues like high cpu 
utilization and so .. dladm is unable to recognize options for this kind of -nic

others - just don't work

.. i experienced this issue several times in past .. woraround was, that 
rtl8169 worked so-so .. with recent sunos kernel it doesn't.

it's easy to reproduce, this is why i'm not putting here more then launching 
script for my virtual machine:

# cat openindiana.sh
qemu-kvm -hda /home/kvm/openindiana/openindiana.img -m 2048 -localtime -cdrom 
/home/kvm/+images/oi-dev-147-x86.iso -boot d \
-vga std -vnc :9 -k en-us -monitor 
unix:/home/kvm/openindiana/instance,server,nowait \
-net nic,model=e1000,vlan=1 -net tap,ifname=oi0,script=no,vlan=1 &

sleep 2;
ip l set oi0 up;
ip a a 192.168.99.9/24 dev oi0;

regards by daniel





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