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Date: Thu, 6 Apr 2006 05:29:12 GMT
From: Chris Thielen <chris@luethy.net>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Kernel panic loading ndisgen-created device drivers not found before 6.1
X-Send-Pr-Version: www-2.3

>Number:         95392
>Category:       kern
>Synopsis:       [ndis] Kernel panic loading ndisgen-created device drivers not found before 6.1 [regression]
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Apr 06 05:30:12 GMT 2006
>Closed-Date:    Mon May 19 07:00:34 UTC 2008
>Last-Modified:  Mon May 19 07:00:34 UTC 2008
>Originator:     Chris Thielen
>Release:        6.1-beta4
>Organization:
None
>Environment:
$ uname -a
FreeBSD localhost.localdomain 6.1-BETA4 FreeBSD 6.1-BETA4 #0: Tue Mar 14 13:59:38 UTC 2006     root@wv1u.samsco.home:/usr/obj/usr/src/sys/GENERIC  i386

>Description:
Using an eMachines m2350 laptop, with the Broadcom BCM4306 80211/b/g
wireless NIC, I have used ndisgen from the Win2K drivers provided by
Broadcom. This normally isn't a problem - the .ko file generates successfully
in both 6.0 and 6.1beta4. I used the device driver over the course of months
without a single problem in 6.0, but in 6.1beta4, with a fresh install and a
fresh .ko file from ndisgen, I am seemingly randomly getting kernel panics.
On boot, I am simply logging in, su'ing and kldload'ing the ndisgen-created
.ko file and sometimes so, sometimes not, I get a complete kernel panic. The
information isn't being dumped anywhere as it reports "no dump device
specified" and then prompts me to hit a key to reboot. The oddity is that
sometimes it works without a hitch, and it is _only_ on driver load. If the
driver does load, I do not experience random kernel panics or anything
using my wireless NIC for hours. It only occurs on kldload.
>How-To-Repeat:
Boot up, login in, su and simply run kldload on the ndisgen-created .ko
device driver for the Broadcom device.
>Fix:
None, although the kernel panic only occurs in about 1 of every 2 cases,
and in practice it's usually on a fresh boot so it's not too big a deal to
just spend the extra 30 seconds to reboot, though it is a critical bug
certainly.
>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-i386->freebsd-bugs 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Mon Apr 10 20:39:49 UTC 2006 
Responsible-Changed-Why:  
Re-file appropriately. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=95392 
State-Changed-From-To: open->feedback 
State-Changed-By: matteo 
State-Changed-When: Dom 18 Mag 2008 14:46:54 UTC 
State-Changed-Why:  
Is this still an issue on modern FreeBSD versions? 

http://www.freebsd.org/cgi/query-pr.cgi?pr=95392 
State-Changed-From-To: feedback->closed 
State-Changed-By: matteo 
State-Changed-When: Lun 19 Mag 2008 07:00:14 UTC 
State-Changed-Why:  
Submitter cannot test this anymore. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=95392 
>Unformatted:
