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Date: Sat, 14 Jan 2006 10:50:06 GMT
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To: freebsd-bugs@FreeBSD.org
From: Soeren Straarup <xride@x12.dk>
Cc: 
Subject: Re: kern/48758:[modules] kldunload if_{Bnic} can cause kernel panic
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The following reply was made to PR kern/48758; it has been noted by GNATS.

From: Soeren Straarup <xride@x12.dk>
To: bug-followup@FreeBSD.org, pawmal@unia.3lo.lublin.pl
Cc:  
Subject: Re: kern/48758:[modules] kldunload if_{Bnic} can cause kernel panic
Date: Sat, 14 Jan 2006 11:44:42 +0100 (CET)

 Hi
 
 I tried this on head ( 7.0-CURRENT #0: Tue Dec 27 19:37:10 CET 2005 )
 
 Take dc out of the kernel config file and only make it as a module.
 
 on cosole 1:
 
 ddev# kldload if_dc
 dc0: <Macronix 98715AEC-C 10/100BaseTX> port 0xd400-0xd4ff mem 
 0xe6901000-0xe69010ff irq 5 at device 13.0 on pci0
 dc0: Ethernet address: 00:80:c6:f9:fa:f5
 miibus1: <MII bus> on dc0
 ukphy0: <Generic IEEE 802.3u media interface> on miibus1
 ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 100baseT4
 
 on console 2:
 
 ddev# tcpdump -i dc0
 tcpdump: WARNING: dc0: no IPv4 address assigned
 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
 listening on dc0, link-type EN10MB (Ethernet), capture size 96 bytes
 
 on console 1:
 
 ddev# kldunload if_dc
 ukphy0: detached
 miibus1: detached
 dc0: detached
 
 on console 2:
 
 tcpdump: pcap_loop: read: Device not configured
 0 packets captured
 0 packets received by filter
 0 packets dropped by kernel
 
 
 I could not reproduce on current.
 
 \Soeren Straarup
 
 Soeren Straarup   | aka OZ2DAK aka Xride
 FreeBSD wannabe   | FreeBSD since 2.2.6-R
    Incorrect documentation is often worse than no documentation.
    - Bertrand Meyer