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[Qemu-devel] Re: [Bug 638955] Re: emulated netcards don't work with rece
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] Re: [Bug 638955] Re: emulated netcards don't work with recent sunos kernel |
Date: |
Tue, 04 Jan 2011 09:36:58 -0000 |
On Mon, Jan 3, 2011 at 1:40 PM, daniel pecka <address@hidden> wrote:
> is this issue dead ?? can i do something for help to fix it?
I believe no one has investigated this issue since my last comment.
Someone with time and interest in Solaris needs to step up to debug
this problem.
DTrace inside the guest and QEMU tracing (see docs/tracing.txt) are
good tools for figuring out what is going on in the Solaris device
driver and QEMU's hardware emulation, respectively.
If you know a previous QEMU version where a network device works under
Solaris you could use git-bisect(1) to find the commit that broke
Solaris. From what you've said though, it seems the issue is with new
Solaris kernels rather than changes in QEMU.
Stefan
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https://bugs.launchpad.net/bugs/638955
Title:
emulated netcards don't work with recent sunos kernel
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