netdev - RE: 2.6.21rc7 e1000 media-detect oddness.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <08FE5CC30C9A3F41BF819A502CF7BF6E0117FC22@fmsmsx411.amr.corp.intel.com>
Date:	Mon, 16 Apr 2007 10:04:33 -0700
From:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>
To:	"Dave Jones" <davej@...hat.com>, <netdev@...r.kernel.org>
Subject: RE: 2.6.21rc7 e1000 media-detect oddness.

Dave Jones wrote:
> I booted up 2.6.21rc7 without an ethernet cable plugged in,
> and noticed this..
> 
> e1000: 0000:02:00.0: e1000_probe: The EEPROM Checksum Is Not Valid
> e1000: probe of 0000:02:00.0 failed with error -5
> 
> I plugged a cable in, did rmmod e1000;modprobe e1000, and got this..
> 
> e1000: 0000:02:00.0: e1000_probe: (PCI Express:2.5Gb/s:Width x1)
> 00:16:d3:3a:62:d3 e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network
> Connection 
> e1000: eth0: e1000_watchdog: NIC Link is Up 100 Mbps Full Duplex,
> Flow Control: RX e1000: eth0: e1000_watchdog: 10/100 speed: disabling
> TSO 
> 
> and it works fine..
> Why would no cable make it think the EEPROM is invalid ?

There was a similar issue reported a while back on T60 and it had to do
with power management:
http://forums.gentoo.org/viewtopic-t-476305-highlight-e1000.html

Some questions:
What was the system in your case (lspci -vv)? 

> 
> I repeated this a few times, just to be sure it wasn't a fluke, and it
> seems to happen 100% reproducably.

Can you reproduce this with the latest driver from e1000.sf.net?

Thanks,
Emil
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html