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Thread: Ubuntu 12.04.2 vs. 13.04 Download Speeds

  1. #1
    Join Date
    Aug 2008
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    14

    Ubuntu 12.04.2 vs. 13.04 Download Speeds

    I have a strange situation happening with an HP AMD 64bit, quad4 CPU, wifi connection computer. When I run 12.04 my wifi connection is great - I typically see 900-1200 Mbps; however, when I try to use 13.04, everything slows to a crawl. It takes forever, it seems, just to install 13.04 - any downloading is slowwww! I can run other distro's - PCLinuxOS, Mageia with no ill effects. Performance is comparable to what I see on 12.04. So the problem seems to be only with 13.04. By the way, I see the same thing with Kubuntu and Linux Mint which are, of course, 13.04 derivatives.

    Googling led me to disabling IPV6, but that didn't do much for me. I think the problem is network manager and/or wifi driver related, but I haven't seen any fix suggested. What I'm thinking of trying is replacing 13.04's firmware folder with the one from 12.04 ans see what happens. I might try the same thing with Network Manager. I know this a brute-force approach but i can't think/find any alternatives.

    Any suggestions out there? Anyone else have this problem? I'd sure appreciate some help!

  2. #2
    Join Date
    Mar 2010
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    India
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    8,175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 12.04.2 vs. 13.04 Download Speeds

    My personal suggestion to you - just stick with 12.04 as it is LTS. 13.04 will reach its "End Of Life" in January next year.

    If, for some reason you still want to go with 13.04, please download and run "wireless_script" on it as mentioned here and post back the report it generates.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
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  3. #3
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    Re: Ubuntu 12.04.2 vs. 13.04 Download Speeds

    Thanks for the reply. Yes, it occurs to me that I should just continue with 12.04 since it has log-term support, but I'm just curious as to what's wrong. I think a driver firmware file is kaput. I ran your script, and here are the results:


    *************** info trace ***************

    ***** uname -a *****

    Linux basement 3.5.0-36-generic #57~precise1-Ubuntu SMP Thu Jun 20 18:21:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

    ***** lsb_release *****

    Distributor ID: Ubuntu
    Description: Ubuntu 12.04.2 LTS
    Release: 12.04
    Codename: precise

    ***** lspci *****

    02:00.0 Network controller [0280]: Ralink corp. RT3090 Wireless 802.11n 1T/1R PCIe [1814:3090]
    Subsystem: Lite-On Communications Inc Device [11ad:6632]
    Kernel driver in use: rt2800pci
    --
    03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 05)
    Subsystem: Hewlett-Packard Company Pavillion p6774 [103c:2ab1]
    Kernel driver in use: r8169

    ***** lsusb *****

    Bus 002 Device 004: ID 058f:6362 Alcor Micro Corp. Flash Card Reader/Writer
    Bus 003 Device 002: ID 03f0:0705 Hewlett-Packard ScanJet 4400c
    Bus 005 Device 002: ID 0461:4d0f Primax Electronics, Ltd
    Bus 005 Device 003: ID 04ca:0040 Lite-On Technology Corp.
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

    ***** iwconfig *****

    wlan0 IEEE 802.11bgn ESSID:"2WIRE581"
    Mode:Managed Frequency:2.422 GHz Access Point: <MAC address removed>
    Bit Rate=18 Mb/s Tx-Power=27 dBm
    Retry long limit:7 RTS thrff Fragment thrff
    Power Managementff
    Link Quality=51/70 Signal level=-59 dBm
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:4 Invalid misc:38 Missed beacon:0


    ***** rfkill *****

    0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

    ***** lsmod *****

    rt2800pci 18751 0
    rt2800lib 59396 1 rt2800pci
    crc_ccitt 12708 1 rt2800lib
    rt2x00pci 14621 1 rt2800pci
    rt2x00lib 55575 3 rt2800pci,rt2800lib,rt2x00pci
    mac80211 555272 3 rt2800lib,rt2x00pci,rt2x00lib
    cfg80211 208382 2 rt2x00lib,mac80211
    eeprom_93cx6 13345 1 rt2800pci

    ***** nm-tool *****

    NetworkManager Tool

    State: connected (global)

    - Device: eth0 -----------------------------------------------------------------
    Type: Wired
    Driver: r8169
    State: unavailable
    Default: no
    HW Address: <MAC address removed>

    Capabilities:
    Carrier Detect: yes

    Wired Properties
    Carrier: off


    - Device: wlan0 [2WIRE581] ----------------------------------------------------
    Type: 802.11 WiFi
    Driver: rt2800pci
    State: connected
    Default: yes
    HW Address: <MAC address removed>

    Capabilities:
    Speed: 18 Mb/s

    Wireless Properties
    WEP Encryption: yes
    WPA Encryption: yes
    WPA2 Encryption: yes

    Wireless Access Points (* = current AP)
    anthony: Infra, <MAC address removed>, Freq 2437 MHz, Rate 54 Mb/s, Strength 32 WEP
    *2WIRE581: Infra, <MAC address removed>, Freq 2422 MHz, Rate 54 Mb/s, Strength 61 WPA WPA2

    IPv4 Settings:
    Address: 192.168.1.68
    Prefix: 24 (255.255.255.0)
    Gateway: 192.168.1.254

    DNS: 192.168.1.254



    ***** NetworkManager.state *****

    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    WimaxEnabled=true

    ***** NetworkManager.conf *****

    [main]
    plugins=ifupdown,keyfile
    dns=dnsmasq

    [ifupdown]
    managed=false

    ***** interfaces *****

    auto lo
    iface lo inet loopback


    ***** iwlist *****

    wlan0 Scan completed :
    Cell 01 - Address: <MAC address removed>
    Channel:3
    Frequency:2.422 GHz (Channel 3)
    Quality=51/70 Signal level=-59 dBm
    Encryption keyn
    ESSID:"2WIRE581"
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
    11 Mb/s; 12 Mb/s; 18 Mb/s
    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
    Mode:Master
    Extra:tsf=0000019b6c26d181
    Extra: Last beacon: 528ms ago
    IE: Unknown: 00083257495245353831
    IE: Unknown: 010882848B0C12961824
    IE: Unknown: 030103
    IE: Unknown: 0706555320010B1B
    IE: IEEE 802.11i/WPA2 Version 1
    Group Cipher : TKIP
    Pairwise Ciphers (2) : CCMP TKIP
    Authentication Suites (1) : PSK
    IE: WPA Version 1
    Group Cipher : TKIP
    Pairwise Ciphers (2) : CCMP TKIP
    Authentication Suites (1) : PSK
    IE: Unknown: 2A0100
    IE: Unknown: 32043048606C
    Cell 02 - Address: <MAC address removed>
    Channel:6
    Frequency:2.437 GHz (Channel 6)
    Quality=29/70 Signal level=-81 dBm
    Encryption keyn
    ESSID:"anthony"
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
    24 Mb/s; 36 Mb/s; 54 Mb/s
    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
    Mode:Master
    Extra:tsf=000005de8108b9af
    Extra: Last beacon: 20844ms ago
    IE: Unknown: 0007616E74686F6E79
    IE: Unknown: 010882848B962430486C
    IE: Unknown: 030106
    IE: Unknown: 050400010000
    IE: Unknown: 2A0106
    IE: Unknown: 2F0106
    IE: Unknown: 32040C121860
    IE: Unknown: 2D1A1C181AFFFF000000000000000000000000000000000000 000000
    IE: Unknown: 3D1606001300000000000000000000000000000000000000
    IE: Unknown: 7F0101
    IE: Unknown: DD090010180203F4010000
    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F 00
    IE: Unknown: DD1E00904C331C181AFFFF0000000000000000000000000000 00000000000000
    IE: Unknown: DD1A00904C3406001300000000000000000000000000000000 000000


    ***** resolv.conf *****

    nameserver 127.0.0.1
    search gateway.2wire.net

    ***** blacklist *****

    [/etc/modprobe.d/blacklist-ath_pci.conf]
    blacklist ath_pci

    [/etc/modprobe.d/blacklist.conf]
    blacklist evbug
    blacklist usbmouse
    blacklist usbkbd
    blacklist eepro100
    blacklist de4x5
    blacklist eth1394
    blacklist snd_intel8x0m
    blacklist snd_aw2
    blacklist i2c_i801
    blacklist prism54
    blacklist bcm43xx
    blacklist garmin_gps
    blacklist asus_acpi
    blacklist snd_pcsp
    blacklist pcspkr
    blacklist amd76x_edac

    ***** dmesg *****

    [ 11.212501] Registered led device: rt2800pci-phy0::radio
    [ 11.212516] Registered led device: rt2800pci-phy0::assoc
    [ 11.212532] Registered led device: rt2800pci-phy0::quality
    [ 18.965111] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 18.965672] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 22.525847] wlan0: authenticate with <MAC address removed>
    [ 22.573525] wlan0: send auth to <MAC address removed> (try 1/3)
    [ 22.574825] wlan0: authenticated
    [ 22.601274] wlan0: associate with <MAC address removed> (try 1/3)
    [ 22.602939] wlan0: RX AssocResp from <MAC address removed> (capab=0x431 status=0 aid=2)
    [ 22.603087] wlan0: associated
    [ 22.603473] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

    ****************** done ******************

  4. #4
    Join Date
    Aug 2008
    Beans
    14

    Re: Ubuntu 12.04.2 vs. 13.04 Download Speeds

    Whoops!

    The wireless.txt file is from my setup on ubuntu 12.04. I'll reinstall 13.04 and post its file shortly.

    Sorry about that!

  5. #5
    Join Date
    Aug 2008
    Beans
    14

    Re: Ubuntu 12.04.2 vs. 13.04 Download Speeds

    I reinstalled 13.04 and reran your wireless script. Here are the results:


    *************** info trace ***************

    ***** uname -a *****

    Linux basement 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 18:16:28 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

    ***** lsb_release *****

    Distributor ID: Ubuntu
    Description: Ubuntu 13.04
    Release: 13.04
    Codename: raring

    ***** lspci *****

    02:00.0 Network controller [0280]: Ralink corp. RT3090 Wireless 802.11n 1T/1R PCIe [1814:3090]
    Subsystem: Lite-On Communications Inc Device [11ad:6632]
    Kernel driver in use: rt2800pci
    03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 05)
    Subsystem: Hewlett-Packard Company Pavillion p6774 [103c:2ab1]
    Kernel driver in use: r8169

    ***** lsusb *****

    Bus 002 Device 004: ID 058f:6362 Alcor Micro Corp. Flash Card Reader/Writer
    Bus 003 Device 002: ID 03f0:0705 Hewlett-Packard ScanJet 4400c
    Bus 005 Device 002: ID 0461:4d0f Primax Electronics, Ltd HP Optical Mouse
    Bus 005 Device 003: ID 04ca:0040 Lite-On Technology Corp.
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

    ***** iwconfig *****

    wlan0 IEEE 802.11bgn ESSID:"2WIRE581"
    Mode:Managed Frequency:2.422 GHz Access Point: <MAC address removed>
    Bit Rate=1 Mb/s Tx-Power=20 dBm
    Retry long limit:7 RTS thrff Fragment thrff
    Power Managementff
    Link Quality=51/70 Signal level=-59 dBm
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:561 Invalid misc:7 Missed beacon:0


    ***** rfkill *****

    0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

    ***** lsmod *****

    rt2800pci 18582 0
    rt2800lib 66507 1 rt2800pci
    rt2x00pci 14519 1 rt2800pci
    rt2x00lib 54869 3 rt2x00pci,rt2800lib,rt2800pci
    mac80211 606457 3 rt2x00lib,rt2x00pci,rt2800lib
    cfg80211 510937 2 mac80211,rt2x00lib
    eeprom_93cx6 13344 1 rt2800pci
    crc_ccitt 12707 1 rt2800lib

    ***** nm-tool *****

    NetworkManager Tool

    State: connected (global)

    - Device: eth0 -----------------------------------------------------------------
    Type: Wired
    Driver: r8169
    State: unavailable
    Default: no
    HW Address: <MAC address removed>

    Capabilities:
    Carrier Detect: yes

    Wired Properties
    Carrier: off


    - Device: wlan0 [2WIRE581] ----------------------------------------------------
    Type: 802.11 WiFi
    Driver: rt2800pci
    State: connected
    Default: yes
    HW Address: <MAC address removed>

    Capabilities:
    Speed: 1 Mb/s

    Wireless Properties
    WEP Encryption: yes
    WPA Encryption: yes
    WPA2 Encryption: yes

    Wireless Access Points (* = current AP)
    *2WIRE581: Infra, <MAC address removed>, Freq 2422 MHz, Rate 54 Mb/s, Strength 61 WPA WPA2

    IPv4 Settings:
    Address: 192.168.1.68
    Prefix: 24 (255.255.255.0)
    Gateway: 192.168.1.254

    DNS: 192.168.1.254



    ***** NetworkManager.state *****
    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    WimaxEnabled=true

    ***** NetworkManager.conf *****

    [main]
    plugins=ifupdown,keyfile
    dns=dnsmasq

    [ifupdown]
    managed=false

    ***** interfaces *****

    # interfaces(5) file used by ifup(8) and ifdown(8)
    auto lo
    iface lo inet loopback

    ***** iwlist *****

    wlan0 Scan completed :
    Cell 01 - Address: <MAC address removed>
    Channel:3
    Frequency:2.422 GHz (Channel 3)
    Quality=51/70 Signal level=-59 dBm
    Encryption keyn
    ESSID:"2WIRE581"
    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
    11 Mb/s; 12 Mb/s; 18 Mb/s
    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
    Mode:Master
    Extra:tsf=0000019c98f6a181
    Extra: Last beacon: 536ms ago
    IE: Unknown: 00083257495245353831
    IE: Unknown: 010882848B0C12961824
    IE: Unknown: 030103
    IE: Unknown: 0706555320010B1B
    IE: IEEE 802.11i/WPA2 Version 1
    Group Cipher : TKIP
    Pairwise Ciphers (2) : CCMP TKIP
    Authentication Suites (1) : PSK
    IE: WPA Version 1
    Group Cipher : TKIP
    Pairwise Ciphers (2) : CCMP TKIP
    Authentication Suites (1) : PSK
    IE: Unknown: 2A0100
    IE: Unknown: 32043048606C


    ***** resolv.conf *****

    nameserver 127.0.1.1
    search gateway.2wire.net

    ***** blacklist *****

    [/etc/modprobe.d/blacklist-ath_pci.conf]
    blacklist ath_pci

    [/etc/modprobe.d/blacklist.conf]
    blacklist evbug
    blacklist usbmouse
    blacklist usbkbd
    blacklist eepro100
    blacklist de4x5
    blacklist eth1394
    blacklist snd_intel8x0m
    blacklist snd_aw2
    blacklist i2c_i801
    blacklist prism54
    blacklist bcm43xx
    blacklist garmin_gps
    blacklist asus_acpi
    blacklist snd_pcsp
    blacklist pcspkr
    blacklist amd76x_edac

    ***** dmesg *****

    [ 14.483830] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 14.484173] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 17.873454] wlan0: authenticate with <MAC address removed>
    [ 17.920990] wlan0: send auth to <MAC address removed> (try 1/3)
    [ 17.922286] wlan0: authenticated
    [ 17.922472] rt2800pci 0000:02:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP
    [ 17.922477] rt2800pci 0000:02:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
    [ 17.924954] wlan0: associate with <MAC address removed> (try 1/3)
    [ 17.926626] wlan0: RX AssocResp from <MAC address removed> (capab=0x431 status=0 aid=2)
    [ 17.926771] wlan0: associated
    [ 17.926779] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
    [ 332.506471] wlan0: authenticate with <MAC address removed>
    [ 332.529903] wlan0: send auth to <MAC address removed> (try 1/3)
    [ 332.531141] wlan0: authenticated
    [ 332.531627] rt2800pci 0000:02:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP
    [ 332.531642] rt2800pci 0000:02:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
    [ 332.533728] wlan0: associate with <MAC address removed> (try 1/3)
    [ 332.535563] wlan0: RX AssocResp from <MAC address removed> (capab=0x431 status=0 aid=2)
    [ 332.535979] wlan0: associated

    ****************** done ******************

  6. #6
    Join Date
    Mar 2010
    Location
    India
    Beans
    8,175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 12.04.2 vs. 13.04 Download Speeds

    First of all, please use code tags for posting commands and their outputs (follow the link in my signature to see an elaborated example).

    Quote Originally Posted by jdrichardson View Post
    Wireless Access Points (* = current AP)
    *2WIRE581: Infra, <MAC address removed>, Freq 2422 MHz, Rate 54 Mb/s, Strength 61 WPA WPA2
    Even though the same settings work well on your 12.04 installation, it is strongly recommended to NOT use WPA/WPA2 mixed mode. Change the encryption settings in your router/access-point to pure WPA2-PSK with AES, no mixed mode, no TKIP.

    With (or without) that change, please try -
    Code:
    sudo modprobe -rfv rt2800pci
    sudo modprobe -v rt2800pci nohwcrypt=Y
    and post back the effect on performance.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags
    Am I not replying your post? This is why.

  7. #7
    Join Date
    Aug 2008
    Beans
    14

    Re: Ubuntu 12.04.2 vs. 13.04 Download Speeds

    First off, I ran your script and posted the results per your request (which did not request code tags - I wouldn't know how to add them).

    Secondly, I ran the commands that you suggested, but did not see any performance increase.

    Thirdly, I took your recommendation and re-installed 12.04.2. Ubuntu 13.04 (and its derivatives) is the first distribution I've seen in 7 years that acted this way. It's as if a governor was placed on my WiFi channel. In the printouts I sent you I did see a 10-to-one difference in stated frequency capability. Weird! Hopefully 13.10 won't be this way.

    Thanks again for your help.

  8. #8
    Join Date
    Mar 2010
    Location
    India
    Beans
    8,175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 12.04.2 vs. 13.04 Download Speeds

    Quote Originally Posted by jdrichardson View Post
    First off, I ran your script and posted the results per your request (which did not request code tags - I wouldn't know how to add them).
    Was requested in the post that you followed to run the script, highlighted and in the very same lines that tell what, how and where to upload the report -
    Either attach this file (wireless-info.txt or wireless-info.txt.tar.gz, whichever is created), or even better, copy-paste its contents in your next post. (Do remember to paste the contents between 'Code' tags generated by clicking on # button located at the top of edit box, in which you create new posts. Doing so will preserve its formatting and make your post more readable).
    ....
    .... Once again, do not forget to wrap the output in 'Code' tags if you copy-paste the output here.
    Anyway, based on the dmesg part of the report -
    Code:
    [ 332.531627] rt2800pci 0000:02:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP
    [ 332.531642] rt2800pci 0000:02:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
    there is a slight chance that disabling the N-channel in the router itself could help since the above messages mean you could not use it anyway. Also, there is always the option of compiling the proprietary driver if the native one fails.

    But it is good to stick with the latest LTS if it works better without workarounds. In fact the latest non-LTS is only recommended if there is something important that the LTS can't offer while the non-LTS can.

    Unless there is something like that in your wish-list, I'd suggest to skip even 13.10, and directly upgrade to the next LTS (of course unless the interim release(s) perform significantly better).
    Last edited by varunendra; July 9th, 2013 at 12:29 AM.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags
    Am I not replying your post? This is why.

  9. #9
    Join Date
    Aug 2008
    Beans
    14

    Re: Ubuntu 12.04.2 vs. 13.04 Download Speeds

    My apologies. My eyes didn't get past the data file and script command (which I was looking for). Next time I'll be more vigilant. Thanks again.

  10. #10
    Join Date
    Mar 2010
    Location
    India
    Beans
    8,175
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu 12.04.2 vs. 13.04 Download Speeds

    No problem!

    I have edited that post many times trying to make it less wordy for the same reason, But I also have to keep it easy to understand for inexperienced users, thus had to include some explanations, which are probably making it bloated. Well.. as long as it serves the main purpose..
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
    Wireless Script | Use Code Tags
    Am I not replying your post? This is why.

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