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From: Jung-uk Kim <jkim@FreeBSD.org>
To: Scott Long <scottl@FreeBSD.org>
Date: Wed, 13 Dec 2006 18:46:31 -0500
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/dev/bge if_bge.c
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On Wednesday 13 December 2006 03:51 pm, Scott Long wrote:
> scottl      2006-12-13 20:51:51 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/dev/bge          if_bge.c
>   Log:
>   Remove a redundant write of the firmware reset magic number.  It
> looks to have been added erroneously, and it causes problems on
> some chips.  A larger change is needed to do this write at a more
> appropriate place, but that change requires reworking the ASF
> logic.  That will be worked on in the future.
>
>   Submitted by: Bruce Evans

I am still getting firmware handshake timeouts and/or watchdog 
timeouts.  Most importantly it panics or get witness warnings (lots 
of 'memory modified after free').  Panic goes like this (while 
kldunload if_bge with dhclient enabled):

brgphy0: detached
miibus0: detached
bge0: firmware handshake timed out, found 0x4b657654
bge0: firmware handshake timed out, found 0x4b657654
bge0: detached
bge0: <Broadcom BCM5705 A3, ASIC rev. 0x3003> mem ...
bge0: firmware handshake timed out, found 0x4b657654
bge0: firmware handshake timed out, found 0x4b657654
miibus0: <MII bus> on bge0
brgphy0: <BCM5705 1/100/1000baseTX PHY> on miibus0
brgphy0:  10baseT, ...
bge0: Ethernet address: ...
bge0: firmware handshake timed out, found 0x4b657654
bge0: firmware handshake timed out, found 0x4b657654
bge0: discard frame w/o leading ethernet header (len 4294967192 pkt 
len 42949672)
Kernel page fault with the following non-sleepable locks held:
exclusive sleep mutex bge0 (network driver) r = 0 (0xffffffff80e81010) 
locked @ /usr/src/sys/modules/bge/../../dev/bge/if_bge.c:2828
...

As you can see the packet length is really bogus.  I am wondering if 
the chip is actually initialized correctly to begin with.

Jung-uk Kim