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TOPIC: No network after updating from 5.0.8 to 6.0.3

No network after updating from 5.0.8 to 6.0.3 1 year 3 months ago #1

  • Nitrogen
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As title suggests none of my laptop’s network interfaces work with openelec since i updated from version 5.0.8 to 6.0.3. I run openelec from a USB thumbdrive in live mode. Originally i thought it was only wi-fi that didn’t run, since ifconfig / ip didn’t show my wifi adapter, but later i found out that wired connection didn’t work either. No hardware LED indication on LAN port even. That same laptop runs both interfaces just fine once booted into Win7 installed on it’s HDD. Both also worked fine under openelec 5.0.8.

Here’s lspci | egrep -i 'network|ethernet' output
02:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8071 PCI-E Gigabit Ethernet Controller [11ab:436b] (rev 15)
05:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)

My laptop is a rather old one (purchased almost 10 years back) - Acer TravelMate 5520G-501G16Mi P/N: LX.TKP0C.002
AMD Turion 64 X2 TL-60 2.0GHz
ATI Radeon HD 2400 XT 256Mb 64bit
3GB RAM
ATI Chipset


I also have another issue since updating. On the bootup i get the 'MP-BIOS bug: 8254 timer not connected to IO-APIC' message. [ Click to expand ]

Let me know if i can provide additional logs/information to help resolve this issue.

P.S.: I also considered updating to latest beta (7.0 b3 at the time of writing), but i’m in no hurry so if it’s worth researching this particular issue i’ll hang for the time being. Might have to rollback to 5.0.8 eventually if the latest one doesn’t work either.
Last Edit: 10 months 2 weeks ago by Nitrogen.
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No network after updating from 5.0.8 to 6.0.3 10 months 2 weeks ago #2

  • Nitrogen
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Now that i have some spare time to do more research it turned out that there was a switch of drivers used in OpenELEC for Broadcom WLAN adapters. I've since returned to the legacy 5.0.8 release and did a 'proper' install of it onto that same USB thumbdrive. After i got the full set of support logs from that and inspected them i was able to confirm 5.0.8 uses b43 driver for my WLAN card while newer builds attempt to load proprietary Broadcom driver(bcm_sta aka wl).

Here's what i get with 5.0.8
lsmod:
Module                  Size  Used by
ctr                     3399  1 
ccm                     6586  1 
fuse                   63884  7 
snd_hda_codec_realtek    49679  1 
snd_hda_codec_generic    39920  2 snd_hda_codec_realtek
k8temp                  3119  0 
snd_hda_intel          19227  3 
snd_hda_controller     15037  1 snd_hda_intel
b43                   352582  0 
snd_hda_codec          73119  4 snd_hda_codec_realtek,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
snd_hwdep               4949  1 snd_hda_codec
snd_pcm                59761  4 snd_hda_codec,snd_hda_intel,snd_hda_controller
bcma                   28325  1 b43
mac80211              239460  1 b43
cfg80211              190292  2 b43,mac80211
and lspci:
05:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
        Subsystem: AMBIT Microsystem Corp. BCM4311 802.11b/g WLAN [1468:0422]
        Flags: bus master, fast devsel, latency 0, IRQ 17
        Memory at f0400000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [40] Power Management version 2
        Capabilities: [58] MSI: Enable- Count=1/1 Maskable- 64bit-
        Capabilities: [d0] Express Legacy Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [13c] Virtual Channel
        Kernel driver in use: b43-pci-bridge

And here's what i get with latest 7.0 beta 3
lsmod:
Module                  Size  Used by
8021q                  15457  0
fuse                   65074  7
wl                   6356280  0
snd_hda_codec_hdmi     31862  1
snd_hda_codec_realtek    50860  1
snd_hda_codec_generic    43477  1 snd_hda_codec_realtek
snd_hda_intel          20100  0
k8temp                  3367  0
snd_hda_codec          70140  4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_hda_core           28290  5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep               4819  1 snd_hda_codec
cfg80211              208985  1 wl
lspci:
05:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
        Subsystem: AMBIT Microsystem Corp. BCM4311 802.11b/g WLAN [1468:0422]
        Flags: bus master, fast devsel, latency 0, IRQ 17
        Memory at f0400000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [40] Power Management version 2
        Capabilities: [58] MSI: Enable- Count=1/1 Maskable- 64bit-
        Capabilities: [d0] Express Legacy Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [13c] Virtual Channel
	Kernel modules: wl

So it appears like appropriate driver is being picked and loaded, but wlan0 doesn't appear under ifconfig. I tested various module blacklisting setups to no avail. Thus still hitting a wall on this front.

To touch briefly on other issues: wired LAN works fine under 7.0 beta 3 release so i guess that is out of the picture for now. As for the 'MP-BIOS bug' for me it is present during boot of the 5.0.8 release as well, but is skipped rather quickly, dunno what's the deal with that.

Set of logs from OE5 and OE7 attached for comparison

File Attachment:

File Name: OE5-log-20...4.48.zip
File Size:61 KB

File Attachment:

File Name: OE7-log-20...1.50.zip
File Size:68 KB
Last Edit: 10 months 2 weeks ago by Nitrogen.
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