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Old 29th February 2012, 02:05 AM
zKarp Offline
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Join Date: Dec 2011
Location: Syracuse
Age: 23
Posts: 10
linuxfirefox
Exclamation Network connecting issues/annoyances

*Is there anyway to display the current drivers that are being in Linux? Google search only return lspci or lsusb. Thanks in advance.

I'm currently using Fedora 16 and I'm experiencing some connectivity issues with my netbook. It seems to take a long time for my network devices to connect with the network and register a handshake, full connection or whatever technical term there is. I don't have any technical or detailed times of connectivity but I can supply some information below. It seems to have more of an issue after wake and on first boot(from cold startup) but don't let this statement disregard any ideas solely on this since It does have an issue something from just unplugging the Ethernet cord and reconnecting or turning the wireless off then back on.

I do know there is some is issues with broadcom 43xx wireless cards, but after trying multiple distros, after getting linux to pick it up, it worked flawlessly. However I never used the other distros as much or as long as I have with Fedora 16. (I was in search of a good distro for netbooks that allowed customizing while still community driven support for issues and availability of software while giving good battery life and performance.

Also there is an issue with this model with the hardware address of the Ethernet card and something that causes kernel panics if in the boot order, network boot isn't first. I already have this done.

Sometimes I get a kernel issue, not panic, but Automatic Bug Reporting Tool will capture various problems with the kernel during this time. One report is about compat-wireless driver and other is sch_generic. The reports are included as an attachment and posted on pastebin. compact-wireles link; sch_generic link.

**Not sure if related but yum seems to take awhile to check if the repo list is synced with the local.

Thanks and sorry for the large info which might be unnecessary. Just like giving as much details and experiences as possible so the solution can be found faster rather then a series of question and answer posts.



Kernel
Code:
3.2.7-1.fc16.x86_64
DM
Code:
Gnome 3
Network manager manages network connections
lspci
Code:
00:00.0 Host bridge: Advanced Micro Devices [AMD] Family 14h Processor Root Complex
00:01.0 VGA compatible controller: ATI Technologies Inc Device 9807
00:01.1 Audio device: ATI Technologies Inc Wrestler HDMI Audio [Radeon HD 6250/6310]
00:11.0 SATA controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode]
00:12.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:12.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:13.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
00:13.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller
00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 42)
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40)
00:14.3 ISA bridge: ATI Technologies Inc SB7x0/SB8x0/SB9x0 LPC host controller (rev 40)
00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge (rev 40)
00:15.0 PCI bridge: ATI Technologies Inc SB700/SB800 PCI to PCI bridge (PCIE port 0)
00:15.2 PCI bridge: ATI Technologies Inc Device 43a2
00:15.3 PCI bridge: ATI Technologies Inc Device 43a3
00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 0 (rev 43)
00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 1
00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 2
00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 3
00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 4
00:18.5 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 6
00:18.6 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 5
00:18.7 Host bridge: Advanced Micro Devices [AMD] Family 12h/14h Processor Function 7
06:00.0 Ethernet controller: Atheros Communications AR8152 v2.0 Fast Ethernet (rev c1)
07:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)

iwconfig
Code:
wlan0     IEEE 802.11bgn  ESSID:"UKYResnet2"  
          Mode:Managed  Frequency:2.412 GHz  Access Point:[REMOVED]
          Bit Rate=9 Mb/s   Tx-Power=19 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=65/70  Signal level=-45 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:31   Missed beacon:0
ifconfig
Code:
em1       Link encap:Ethernet  HWaddr [REMOVED]
          inet addr:172.16.150.183  Bcast:172.16.150.255  Mask:255.255.255.0
          inet6 addr: [REMOVED] Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1282453 errors:0 dropped:0 overruns:0 frame:0
          TX packets:853824 errors:0 dropped:0 overruns:0 carrier:26
          collisions:0 txqueuelen:1000 
          RX bytes:1535826515 (1.4 GiB)  TX bytes:72573379 (69.2 MiB)
          Interrupt:42 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1844 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1844 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:153812 (150.2 KiB)  TX bytes:153812 (150.2 KiB)

wlan0     Link encap:Ethernet  HWaddr [REMOVED]
          inet addr:172.16.150.190  Bcast:172.16.150.255  Mask:255.255.255.0
          inet6 addr:[REMOVED] Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:21153 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7676 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:6578003 (6.2 MiB)  TX bytes:1704791 (1.6 MiB)
lsmod sorted
Code:
8021q                  24070  0 
acer_wmi               28007  0 
arc4                   12529  2 
atl1c                  41451  0 
bcma                   30065  1 brcmsmac
be2iscsi               72362  0 
binfmt_misc            17431  1 
bnx2i                  54521  0 
brcmsmac              551240  0 
brcmutil               14124  1 brcmsmac
cfg80211              194802  2 brcmsmac,mac80211
cnic                   58676  1 bnx2i
cordic                 12486  1 brcmsmac
crc8                   12708  1 brcmsmac
cxgb3                 155412  1 cxgb3i
cxgb3i                 32972  0 
cxgb4                 102888  1 cxgb4i
cxgb4i                 32909  0 
drm                   225935  5 radeon,ttm,drm_kms_helper
drm_kms_helper         40141  1 radeon
fcoe                   27326  0 
fuse                   77538  3 
garp                   14069  1 8021q
i2c_algo_bit           13156  1 radeon
i2c_core               37955  6 videodev,i2c_piix4,radeon,drm_kms_helper,drm,i2c_algo_bit
i2c_piix4              13694  0 
ib_addr                13748  1 rdma_cm
ib_cm                  41692  1 rdma_cm
ib_core                73791  6 ib_iser,rdma_cm,ib_cm,iw_cm,ib_sa,ib_mad
ib_iser                38073  0 
ib_mad                 46392  2 ib_cm,ib_sa
ib_sa                  28407  2 rdma_cm,ib_cm
iscsi_boot_sysfs       15641  1 be2iscsi
iscsi_tcp              18333  0 
iw_cm                  18176  1 rdma_cm
joydev                 17412  0 
k10temp                13119  0 
libcxgbi               56477  2 cxgb4i,cxgb3i
libfc                 108624  2 fcoe,libfcoe
libfcoe                43030  1 fcoe
libiscsi               50527  8 be2iscsi,bnx2i,cxgb4i,cxgb3i,libcxgbi,ib_iser,iscsi_tcp,libiscsi_tcp
libiscsi_tcp           23970  4 cxgb4i,cxgb3i,libcxgbi,iscsi_tcp
llc                    14090  2 garp,stp
lp                     17874  0 
mac80211              439421  1 brcmsmac
mdio                   13398  1 cxgb3
media                  20408  2 uvcvideo,videodev
microcode              23240  0 
Module                  Size  Used by
parport                44515  3 ppdev,parport_pc,lp
parport_pc             28082  0 
ppdev                  17635  0 
radeon                792595  3 
rdma_cm                41898  1 ib_iser
rfkill                 21410  3 cfg80211,acer_wmi
scsi_tgt               19553  1 scsi_transport_fc
scsi_transport_fc      53339  2 fcoe,libfc
scsi_transport_iscsi    51823  8 be2iscsi,bnx2i,libcxgbi,ib_iser,iscsi_tcp,libiscsi
snd                    74425  16 snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
snd_hda_codec         114615  3 snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_intel
snd_hda_codec_conexant    70259  1 
snd_hda_codec_hdmi     36277  1 
snd_hda_intel          33276  4 
snd_hwdep              17611  1 snd_hda_codec
snd_page_alloc         18101  2 snd_hda_intel,snd_pcm
snd_pcm                97100  4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_seq                64807  0 
snd_seq_device         14129  1 snd_seq
snd_timer              28815  2 snd_seq,snd_pcm
soundcore              14484  1 snd
sp5100_tco             13697  0 
sparse_keymap          13526  1 acer_wmi
stp                    12823  1 garp
tcp_lp                 12663  0 
ttm                    68749  1 radeon
uinput                 17606  0 
uio                    19067  1 cnic
ums_realtek            17976  0 
usb_storage            56207  1 ums_realtek
uvcvideo               71509  0 
v4l2_compat_ioctl32    16726  1 videodev
video                  18932  0 
videodev               97776  1 uvcvideo
wmi                    18697  1 acer_wmi
Attached Files
File Type: txt compact-wireless.txt (5.6 KB, 59 views)
File Type: txt sch_generic.txt (8.2 KB, 79 views)

Last edited by zKarp; 29th February 2012 at 02:27 AM. Reason: Added pastebin links
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  #2  
Old 29th February 2012, 03:51 AM
flyingfsck Online
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Join Date: Aug 2010
Location: Al Ain, UAE
Posts: 1,892
linuxfirefox
Re: Network connecting issues/annoyances

lsmod will list the drivers loaded, but it always requires a bit of research to figure out what is what. The WiFi devices are special. They usually use teenie little ARM processors and need to load their code from the PC host. So if your driver is bad, then you can sometimes get a new one from a Windows driver using a special tool to strip out the embedded code.

Last edited by flyingfsck; 29th February 2012 at 03:55 AM.
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  #3  
Old 29th February 2012, 07:05 AM
JEO Offline
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Join Date: Jan 2006
Posts: 2,787
linuxfirefox
Re: Network connecting issues/annoyances

One thing you can do to get a faster initial handshake is right click the NetworkManager icon, Edit Connections, Wireless tab, select your wireless connection and hit Edit. On the ipv6 settings tab change the Method to Ignore. (The F16 default is set for Automatic).

---------- Post added at 11:05 PM ---------- Previous post was at 10:58 PM ----------

To see which kernel drivers are in use, try running lspci with the -k option.

su -
lspci -k
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