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Old 03-03-2012, 01:05 PM   #1
TNBayou
LQ Newbie
 
Registered: Mar 2012
Posts: 3

Rep: Reputation: Disabled
Question Realtek rtl8192se wifi running slow after new router installation in Fedora


Hello,

I apologize if this has been covered, but I am having connection issues so searching is painful. Also, please let me apologize now for the wall of text that follows, I am trying to include as much info as possible up front.

I used Ubuntu for about a year, and never had any issues, but I recently had new internet installed, and ever since my wifi connection has been slow and unreliable (changed from DSL to Cable). Other devices on the network function properly (xbox, 2 phones, a different laptop) but mine does not. While trying to solve the issue, I changed my OS to Fedora (not realizing until later that it was basically the same thing).

I never had any issues with Ubuntu, and never really did any work with it. I strictly do email/internet on this computer, so it never really came up. I am a total newbie here.

I went to realtek's website, and downloaded the driver it says I need (LINUX driver for kernel 2.6.x and 2.4.x (Support x86 and x64) version 8.028.00)

I did an lsmod command in terminal, and this is what I get:



[user@username ~]$ lsmod
Module Size Used by
ppdev 17635 0
parport_pc 28082 0
lp 17874 0
parport 44515 3 ppdev,parport_pc,lp
fuse 77538 3
be2iscsi 72362 0
iscsi_boot_sysfs 15641 1 be2iscsi
8021q 24070 0
garp 14069 1 8021q
stp 12823 1 garp
llc 14090 2 garp,stp
bnx2i 54521 0
fcoe 27326 0
cnic 58676 1 bnx2i
uio 19067 1 cnic
cxgb4i 32909 0
cxgb4 102888 1 cxgb4i
libfcoe 43030 1 fcoe
cxgb3i 32972 0
libcxgbi 56477 2 cxgb4i,cxgb3i
cxgb3 155412 1 cxgb3i
libfc 108624 2 fcoe,libfcoe
scsi_transport_fc 53339 2 fcoe,libfc
mdio 13398 1 cxgb3
scsi_tgt 19553 1 scsi_transport_fc
ib_iser 38073 0
rdma_cm 41898 1 ib_iser
ib_cm 41692 1 rdma_cm
iw_cm 18176 1 rdma_cm
ib_sa 28407 2 rdma_cm,ib_cm
ib_mad 46392 2 ib_cm,ib_sa
ib_core 73791 6 ib_iser,rdma_cm,ib_cm,iw_cm,ib_sa,ib_mad
ib_addr 13748 1 rdma_cm
iscsi_tcp 18333 0
libiscsi_tcp 23970 4 cxgb4i,cxgb3i,libcxgbi,iscsi_tcp
libiscsi 50527 8 be2iscsi,bnx2i,cxgb4i,cxgb3i,libcxgbi,ib_iser,iscsi_tcp,libiscsi_tcp
scsi_transport_iscsi 51823 8 be2iscsi,bnx2i,libcxgbi,ib_iser,iscsi_tcp,libiscsi
ip6t_REJECT 12939 2
nf_conntrack_ipv6 14290 1
nf_defrag_ipv6 18139 1 nf_conntrack_ipv6
nf_conntrack_ipv4 14622 1
ip6table_filter 12815 1
nf_defrag_ipv4 12673 1 nf_conntrack_ipv4
ip6_tables 26976 1 ip6table_filter
xt_state 12578 2
nf_conntrack 82331 3 nf_conntrack_ipv6,nf_conntrack_ipv4,xt_state
snd_hda_codec_conexant 70259 1
sp5100_tco 13697 0
snd_hda_intel 33276 2
snd_hda_codec 114615 2 snd_hda_codec_conexant,snd_hda_intel
snd_hwdep 17611 1 snd_hda_codec
snd_seq 64807 0
snd_seq_device 14129 1 snd_seq
snd_pcm 97100 2 snd_hda_intel,snd_hda_codec
arc4 12529 2
snd_timer 28815 2 snd_seq,snd_pcm
rtl8192se 93742 0
rtlwifi 104513 1 rtl8192se
mac80211 439421 2 rtl8192se,rtlwifi
uvcvideo 71509 0
videodev 97776 1 uvcvideo
media 20408 2 uvcvideo,videodev
v4l2_compat_ioctl32 16726 1 videodev
atl1c 41451 0
edac_core 51619 0
toshiba_acpi 18188 0
snd 74425 12 snd_hda_codec_conexant,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_time r
cfg80211 194802 2 rtlwifi,mac80211
i2c_piix4 13694 0
edac_mce_amd 22882 0
shpchp 37162 0
k10temp 13119 0
soundcore 14484 1 snd
snd_page_alloc 18101 2 snd_hda_intel,snd_pcm
sparse_keymap 13526 1 toshiba_acpi
rfkill 21410 3 toshiba_acpi,cfg80211
joydev 17412 0
serio_raw 13371 0
microcode 23240 0
uinput 17606 0
ums_realtek 17976 0
usb_storage 56207 1 ums_realtek
wmi 18697 0
video 18932 0
radeon 792595 3
ttm 68749 1 radeon
drm_kms_helper 40141 1 radeon
drm 225935 5 radeon,ttm,drm_kms_helper
i2c_algo_bit 13156 1 radeon
i2c_core 37955 6 videodev,i2c_piix4,radeon,drm_kms_helper,drm,i2c_algo_bit





After downloading the driver from Realtek, I opened the file and clicked on the autorun. This is what I get when I do that:




#!/bin/sh

# invoke insmod with all arguments we got
# and use a pathname, as insmod doesn't look in . by default

TARGET_PATH=$(find /lib/modules/$(uname -r)/kernel/drivers/net -name realtek -type d)
if [ "$TARGET_PATH" = "" ]; then
TARGET_PATH=/lib/modules/$(uname -r)/kernel/drivers/net
fi
echo
echo "Check old driver and unload it."
check=`lsmod | grep r8169`
if [ "$check" != "" ]; then
echo "rmmod r8169"
/sbin/rmmod r8169
fi

check=`lsmod | grep r8168`
if [ "$check" != "" ]; then
echo "rmmod r8168"
/sbin/rmmod r8168
fi

echo "Build the module and install"
echo "-------------------------------" >> log.txt
date 1>>log.txt
make $@ all 1>>log.txt || exit 1
module=`ls src/*.ko`
module=${module#src/}
module=${module%.ko}

if [ "$module" = "" ]; then
echo "No driver exists!!!"
exit 1
elif [ "$module" != "r8169" ]; then
if test -e $TARGET_PATH/r8169.ko ; then
echo "Backup r8169.ko"
if test -e $TARGET_PATH/r8169.bak ; then
i=0
while test -e $TARGET_PATH/r8169.bak$i
do
i=$(($i+1))
done
echo "rename r8169.ko to r8169.bak$i"
mv $TARGET_PATH/r8169.ko $TARGET_PATH/r8169.bak$i
else
echo "rename r8169.ko to r8169.bak"
mv $TARGET_PATH/r8169.ko $TARGET_PATH/r8169.bak
fi
fi
fi

echo "DEPMOD $(uname -r)"
depmod `uname -r`
echo "load module $module"
modprobe $module

is_update_initramfs=n
distrib_list="ubuntu debian"

if [ -r /etc/debian_version ]; then
is_update_initramfs=y
elif [ -r /etc/lsb-release ]; then
for distrib in $distrib_list
do
/bin/grep -i "$distrib" /etc/lsb-release 2>&1 /dev/null && \
is_update_initramfs=y && break
done
fi

if [ "$is_update_initramfs" = "y" ]; then
if which update-initramfs >/dev/null ; then
echo "Updating initramfs. Please wait."
update-initramfs -u -k $(uname -r)
else
echo "update-initramfs: command not found"
exit 1
fi
fi

echo "Completed."
exit 0






But the command not found part makes it look like it isn't installing properly, and my connection is still very slow.

Any suggestions? Any other information needed? Do I just need to buy a different network card? Thanks!
 
Old 03-03-2012, 01:12 PM   #2
TNBayou
LQ Newbie
 
Registered: Mar 2012
Posts: 3

Original Poster
Rep: Reputation: Disabled
I forgot to mention in my OP that the problem is intermittent. When it runs, it blazes along. I have yet to determine what causes it to slow down or speed up. Restarting/logging in/out does not seem to effect it.

Thanks!
 
Old 03-06-2012, 12:07 PM   #3
TNBayou
LQ Newbie
 
Registered: Mar 2012
Posts: 3

Original Poster
Rep: Reputation: Disabled
I apologize if I am missing some sort of etiquette or protocol that will elicit a response.

If there is something I need to change or add to my post, please let me know.

Or is it that I am SOL?

Thanks!
 
  


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