[ kvm-Bugs-2733678 ] network problems

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Bugs item #2733678, was opened at 2009-04-05 10:51
Message generated for change (Tracker Item Submitted) made by lacsap2
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2733678&group_id=180599

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Category: intel
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Lacsap Lacsap (lacsap2)
Assigned to: Nobody/Anonymous (nobody)
Summary: network problems

Initial Comment:
hi,

some problems with network...


1) with socket
# modprobe kvm
# modprobe kvm-intel
$ kvm -hda mydisk -m 192 -localtime -k fr -net nic -net socket,listen=:1234

KO segmentation fault with option "-net nic -net socket,listen=:1234"
OK with user or tap nic, no problem
KO same problem with qemu
KO same problem with -no-kvm option


2) with vde switch
# modprobe kvm
# modprobe kvm-intel
# modprobe tun
# tunctl -u toto
# ifconfig tap0 172.20.0.1 netmask 255.255.255.0 up
$ vde_switch -s /tmp/switch -daemon
$ vde_plug2tap -s /tmp/switch -daemon tap0
$ vdekvm -hda mydisk -net nic -net vde,sock=/tmp/switch

KO "arg ,sock=/tmp/switch TUNGETIFF ioctl() failed: Invalid argument"
starts but without connected to the virtual switch
KO "samsung kernel: kvm: 6245: cpu0 unhandled wrmsr: 0xc0010117 data
0" in /var/log/everything.log
OK with vdeqemu


informations:

# cat /proc/cpuinfo

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Core(TM)2 Duo CPU     T8100  @ 2.10GHz
stepping        : 6
cpu MHz         : 2094.751
cache size      : 3072 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
apicid          : 0
initial apicid  : 0
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm
constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est
tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm ida tpr_shadow vnmi
flexpriority
bogomips        : 4191.06
clflush size    : 64
power management:

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Core(TM)2 Duo CPU     T8100  @ 2.10GHz
stepping        : 6
cpu MHz         : 2094.751
cache size      : 3072 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
apicid          : 1
initial apicid  : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm
constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est
tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm ida tpr_shadow vnmi
flexpriority
bogomips        : 4191.06
clflush size    : 64
power management:


# kvm | grep -i version

QEMU PC emulator version 0.9.1 (kvm-84), Copyright (c) 2003-2008 Fabrice Bellard

# grep -i qemu /var/log/pacman.log  | tail -n 1

installed qemu (0.10.0-1)


# uname -a

Linux samsung 2.6.28-ARCH #1 SMP PREEMPT Tue Mar 17 06:42:43 UTC 2009
i686 Intel(R) Core(TM)2 Duo CPU T8100 @ 2.10GHz GenuineIntel GNU/Linux

# grep kernel /var/log/pacman.log | tail -n 1

[2009-03-26 18:27] upgraded kernel26 (2.6.28.7-2 -> 2.6.28.8-1)


upgraded qemu (0.10.0-1 -> 0.10.1-1) KO segmentation fault still remain

# dmesg | tail :
qemu[5710]: segfault at 0 ip b7a73063 sp bfd59cfc error 4 in libc-2.9.so[b7a00000+140000]

----------------------------------------------------------------------

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