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#1 2008-12-02 10:19:42

dale77
Member
From: Down under
Registered: 2007-02-10
Posts: 102
Website

[SOLVED] The internet has slowed down (on my arch at least)

Darned if I know how or when this happened but I now see that I am getting ~20KB/sec on Arch, while WinXP gives me 180KB/sec. This is using wget against a certain 1Mb file using Arch and Windows to confirm.

This cannot be allowed to continue. I certainly remember getting 200KB/sec+ on Arch in the past, I wonder what ate my speed?

Any suggestions as to how to return my networking to normal speed? Strangely enough, using Fedora 10 for a second opinion shows likewise ~20Kb slow...

I'm running 2.6.27.5 kernel. I hope to fix this speed issue before I download the next 30Mb of Arch updates... My network setup is 100Mbit Realtek 8169 wired to an ADSL modem.

[dale@gordon tmp]$ ifconfig
eth0      Link encap:Ethernet  HWaddr 00:0C:76:56:54:57
          inet addr:192.168.1.2  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2500 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2628 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:3197254 (3.0 Mb)  TX bytes:272783 (266.3 Kb)
          Interrupt:16 Base address:0xf00
[dale@gordon tmp]$ lspci
00:00.0 Host bridge: VIA Technologies, Inc. VT8385 [K8T800 AGP] Host Bridge (rev 01)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI bridge [K8T800/K8T890 South]
00:06.0 Multimedia controller: ATI Technologies Inc Theater 550 PRO PCI [ATI TV Wonder 550]
00:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10)
00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80)
00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800/K8T890 South]
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:00.0 VGA compatible controller: nVidia Corporation G73 [GeForce 7600 GS] (rev a2)

Thanks

Dale

Last edited by dale77 (2008-12-09 08:43:05)

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#2 2008-12-09 08:42:25

dale77
Member
From: Down under
Registered: 2007-02-10
Posts: 102
Website

Re: [SOLVED] The internet has slowed down (on my arch at least)

Aha. After disabling ipv6, rebooting into various other distros (all of which were slow) and generally tearing my hair out, I discovered the problem.

On windows, which was fast, I happened to hover over the network icon on the taskbar... And the tooltip showed 10mb! Bad cable? I locked the card at 100mb in windows and lo and behold, windows was slow as well.

+1 to windows here, I guess it(driver?) figured out that the connection was dodgy and dropped back to a slower link. The windows driver itself was set to autoneg the speed.

So, back in Arch I locked eth0 back to 10mb

ethtool -s speed 10 autoneg off

Ah, 200Kb/sec again! And everything makes sense as well...

smile

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#3 2008-12-09 08:44:16

dale77
Member
From: Down under
Registered: 2007-02-10
Posts: 102
Website

Re: [SOLVED] The internet has slowed down (on my arch at least)

Now I just have to figure out how to make arch stick with 10mb, until I get a new cable...

Must have been the kids tromping all over it.

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#4 2008-12-09 10:12:11

klixon
Member
From: Nederland
Registered: 2007-01-17
Posts: 525

Re: [SOLVED] The internet has slowed down (on my arch at least)

you could add that line to /etc/rc.local
That file runs on every boot...


Stand back, intruder, or i'll blast you out of space! I am Klixon and I don't want any dealings with you human lifeforms. I'm a cyborg!

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