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Please help: suddenly, no more eth0
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Helmut.Krokenberger
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Joined: 31 Aug 2005
Posts: 9

PostPosted: Thu Nov 30, 2006 9:01 pm    Post subject: Please help: suddenly, no more eth0 Reply with quote

Hello group,

all of a sudden (or so it seems), I cannot use eth0 anymore.
This is what dmesg says when I restart net.eth0:

Quote:
eth0: link down
ADDRCONF(NETDEV_UP): eth0: link is not ready


I did:

    - downgrade from udev-103 to 087-1 (no effect, upgraded again)
    - updated my kernel to 2.6.18-gentoo-r3 (worked again! --for a day)
    - replaced the ethernet card (rtl8139) to another one (3c905) (no effect)
    - checked wiring, replaced cables, restarted switch
    - booted from knoppix 4.0 dvd (no problems, eth0 working like a charm)


Here some more information:

Code:

sven sven # genlop --list --date 1 week ago
 * app-office/koffice-data

     Thu Nov 23 21:12:41 2006 >>> app-office/koffice-data-1.5.2
     Fri Nov 24 12:38:39 2006 >>> media-libs/mesa-6.5.1-r2
     Sat Nov 25 20:09:18 2006 >>> kde-base/kdelibs-3.5.5-r7
     Sat Nov 25 20:10:50 2006 >>> sys-fs/udev-103
     Mon Nov 27 21:19:37 2006 >>> sys-fs/udev-087-r1
     Mon Nov 27 21:42:27 2006 >>> sys-fs/udev-103
     Mon Nov 27 22:19:48 2006 >>> x11-drivers/nvidia-drivers-1.0.9629
     Mon Nov 27 22:22:56 2006 >>> net-wireless/madwifi-ng-0.9.2
     Tue Nov 28 14:35:58 2006 >>> sys-apps/man-pages-2.41
     Tue Nov 28 14:37:27 2006 >>> media-sound/sonata-0.9
     Tue Nov 28 15:14:19 2006 >>> app-emulation/wine-0.9.26
     Tue Nov 28 15:15:10 2006 >>> sys-devel/m4-1.4.7
     Wed Nov 29 11:38:37 2006 >>> media-sound/audacious-1.2.2


Code:

sven sven # uname -r
2.6.18-gentoo-r3


Code:

sven sven # lsmod
Module                  Size  Used by
wlan_tkip              10880  2
snd_seq_midi            6048  0
snd_opl3_synth         11780  0
snd_seq_instr           6272  1 snd_opl3_synth
snd_seq_midi_emul       5504  1 snd_opl3_synth
snd_ainstr_fm           2304  1 snd_opl3_synth
snd_pcm_oss            36768  0
snd_mixer_oss          13568  2 snd_pcm_oss
snd_seq_oss            26112  0
snd_seq_midi_event      5632  2 snd_seq_midi,snd_seq_oss
snd_seq                39248  8
snd_seq_midi,snd_opl3_synth,snd_seq_instr,snd_seq_midi_emul,snd_seq_oss,snd_seq_midi_event
snd_es1938             16676  2
gameport               10504  2 snd_es1938
snd_pcm                59912  2 snd_pcm_oss,snd_es1938
snd_page_alloc          7304  1 snd_pcm
snd_opl3_lib            7936  2 snd_opl3_synth,snd_es1938
snd_timer              17156  3 snd_seq,snd_pcm,snd_opl3_lib
snd_hwdep               6532  1 snd_opl3_lib
snd_mpu401_uart         5888  1 snd_es1938
nvidia               4703444  22
snd_rawmidi            17184  2 snd_seq_midi,snd_mpu401_uart
snd_seq_device          6156  6
snd_seq_midi,snd_opl3_synth,snd_seq_oss,snd_seq,snd_opl3_lib,snd_rawmidi
wlan_scan_sta          10752  1
ath_pci                72864  0
ath_rate_sample        11520  1 ath_pci
3c59x                  34472  0
via_rhine              17800  0
wlan                  156124  5
wlan_tkip,wlan_scan_sta,ath_pci,ath_rate_sample
snd                    38116  15
snd_opl3_synth,snd_pcm_oss,snd_mixer_oss,snd_seq_oss,snd_seq,snd_es1938,snd_pcm,snd_opl3_lib,snd_timer,snd_hwdep,snd_mpu401_uart,snd_rawmidi,snd_seq_device
ath_hal               189392  3 ath_pci,ath_rate_sample
sata_via                6788  0
libata                 76948  1 sata_via
mii                     4352  2 3c59x,via_rhine
i2c_core               15120  1 nvidia
via_agp                 7680  1
agpgart                25520  2 nvidia,via_agp
soundcore               6752  2 snd


Thank you for any hint :)
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Keruskerfuerst
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Joined: 01 Feb 2006
Posts: 2289
Location: near Augsburg, Germany

PostPosted: Thu Nov 30, 2006 9:06 pm    Post subject: Reply with quote

Did you include the support for the ethernet card in the kernel? (not as module)
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Helmut.Krokenberger
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PostPosted: Thu Nov 30, 2006 9:41 pm    Post subject: Reply with quote

Yes. First, I used 8139too as module and now 3c59x (because I switched NICs).
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Keruskerfuerst
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Joined: 01 Feb 2006
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PostPosted: Fri Dec 01, 2006 6:52 am    Post subject: Reply with quote

You should try to compile the networking card support directly into the kernel.
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Helmut.Krokenberger
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PostPosted: Fri Dec 01, 2006 11:11 am    Post subject: Reply with quote

Sorry, I misread your first post.

And after I compiled the driver directly into the kernel, voilá! --it worked again.

SO, now what I really want to know is how this could happen, after the modularized driver worked fine for so long and then stopped working. Perhaps the udev upgrade had something to do with it, but then again, I downgraded the thing. Is the ebuild defective?
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terminal9
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Joined: 12 Oct 2006
Posts: 157

PostPosted: Fri Dec 01, 2006 11:20 am    Post subject: Reply with quote

I see you have multiple eth cards on this mobo (via_rhine + 3c59x)
either can be picked up as eth0 at bootup randomly unless you define a udev rule
or, just blacklist the via_rhine module so it never gets loaded, so 3c59x card will always get eth0 interface.
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