Red Hat Bugzilla – Bug 487954
eth1: next frame inconsistency
Last modified: 2009-12-18 03:56:01 EST
Description of problem:
Randomly, once every couple of hours, my PCMCIA network adapter stops responding. This started happening somewhere in the 2.6.27 kernel series. The following gets logged in syslog when the card stops working:
Mar 1 11:54:13 laptop kernel: eth1: next frame inconsistency, 0xef
The hexadecimal byte varies. There's usually several hundred of these logged, within a few seconds, before the card goes dead.
ifdown eth1/ifup eth1 restores network connectivity.
dmesg at boot:
Mar 1 08:19:38 laptop kernel: pccard: PCMCIA card inserted into slot 0
Mar 1 08:19:38 laptop kernel: cs: memory probe 0xffd00000-0xffdfffff: excluding
Mar 1 08:19:38 laptop kernel: pcmcia: registering new device pcmcia0.0
Mar 1 08:19:38 laptop kernel: eth1: Asix AX88790: io 0x300, irq 3, hw_addr 00:1
Mar 1 08:19:38 laptop kernel: Intel ICH 0000:00:1f.5: enabling device (0005 ->
This is possibly a hardware problem, like a loose or defective cable.
If you go back to the older kernel does it work again?
Futzing with the network cable makes no difference, only ifdown/ifup.
I went back to 220.127.116.11-159.fc10.i686 and let it run overnight, and had some constant network activity always running. Well, so far, eight hours later, the network remains up, and syslog is clean.
It's hard to prove a negative, but with 18.104.22.168-170.2.24.fc10.i686 this happened about every hour, or so.
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