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$ dpkg -l network-manager
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture
Description
+++-===========================-==================-==================-============================================================
ii network-manager 0.9.10.0-4ubuntu15 i386 network
management framework (daemon and userspace tools)
$ uname -a
Linux 192-168-0-3 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:01 UTC 2015
i686 i686 i686 GNU/Linux
$ lspci | grep Ethernet
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E
PCI Express Fast Ethernet controller (rev 02)
#Driver in use:r8169
$ cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-3.19.0-15-generic
root=/dev/mapper/192--168--0--102--vg-root ro splash quiet libata.dma=0
$ lspci
00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub
(rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated
Graphics Controller (rev 02)
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio
Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev
01)
00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#1 (rev 01)
00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#2 (rev 01)
00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#3 (rev 01)
00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller
#4 (rev 01)
00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller
(rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface
Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller
(rev 01)
00:1f.2 IDE interface: Intel Corporation NM10/ICH7 Family SATA Controller [IDE
mode] (rev 01)
00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 01)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E
PCI Express Fast Ethernet controller (rev 02)
Info:On session Unity Network applet figure online but internet is slow on 1Mbs
to 0Mbs.
Sometimes from applet set enable/disable from many times to start normal but
not allways have succed.
Temporary i add on file on MetworkManager to solve this issue:
$ cat /etc/NetworkManager/dispatcher.d/pre-up.d/01set_half
#!/bin/sh -e
# Script for setting halfduplex
if [ -z "$1" ]; then
echo "$0: error missing interface" 1>&2
exit 2;
fi
/sbin/ethtool -s "$1" duplex half speed 100
My system is atom :
$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 28
model name : Intel(R) Atom(TM) CPU 230 @ 1.60GHz
stepping : 2
microcode : 0x218
cpu MHz : 1598.645
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fdiv_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 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc
arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr
pdcm movbe lahf_lm dtherm
bugs :
bogomips : 3197.29
clflush size : 64
cache_alignment : 64
address sizes : 32 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 28
model name : Intel(R) Atom(TM) CPU 230 @ 1.60GHz
stepping : 2
microcode : 0x218
cpu MHz : 1598.645
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
apicid : 1
initial apicid : 1
fdiv_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 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc
arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl tm2 ssse3 cx16 xtpr
pdcm movbe lahf_lm dtherm
bugs :
bogomips : 3197.29
clflush size : 64
cache_alignment : 64
address sizes : 32 bits physical, 48 bits virtual
power management:
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
Network-manager fail to start on full duplex
https://bugs.launchpad.net/bugs/1451378
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