NetBSD Problem Report #30283

From martijnb@atlas.ipv6.stack.nl  Thu May 19 18:00:34 2005
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Date: Thu, 19 May 2005 20:00:26 +0200 (CEST)
From: Martijn van Buul <martijnb@atlas.ipv6.stack.nl>
Reply-To: martijnb@atlas.ipv6.stack.nl
To: gnats-bugs@netbsd.org
Subject: atu(4) needs serious work (panic, and stall)
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>Number:         30283
>Category:       kern
>Synopsis:       atu(4) needs serious work (panic, and stall)
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu May 19 18:01:00 +0000 2005
>Last-Modified:  Sat Nov 12 16:18:44 +0000 2005
>Originator:     Martijn van Buul
>Release:        NetBSD 3.0_BETA
>Organization:

>Environment:


System: NetBSD balthasar.ipv6.stack.nl 3.0_BETA NetBSD 3.0_BETA (BALTHASAR) #1: Thu May 19 18:46:24 CEST 2005 martijnb@balthasar.ipv6.stack.nl:/usr/src/sys/arch/i386/compile/BALTHASAR i386
Architecture: i386
Machine: i386
>Description:
	The atu(4) device driver needs some work:

	1) Scanning for APs using 'wicontrol atu0 -D' yields "No APs found",
          even when they are available. In some cases, it will lock up the
          machine

	2) Kernel panic in ltsleep (in usbd_transfer; I can compile a kernel
          with less optimisations and jot down a complete stackframe if 
	  desired; the bug is reproducable) while trying to do IPv6 work.

>How-To-Repeat:

	1) 'wicontrol atu0 -D', and watch it fail.
	2) Cause some ipv6 traffic. It often fails on the first router
           solicitation (using 'rtsol atu0'), but sometimes it'll live for
           a few minutes. 
>Fix:
	Don't know :(

>Release-Note:

>Audit-Trail:
From: Martijn van Buul <martijnb@atlas.ipv6.stack.nl>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: kern/30283: atu(4) needs serious work (Crash, and stall)
Date: Fri, 20 May 2005 00:54:35 +0200

 In gmane.os.netbsd.bugs, you wrote:
 >>Number:         30283
 >>Category:       kern
 >>Synopsis:       atu(4) needs serious work (Crash, and stall)
 >>Confidential:   no
 >>Severity:       critical
 >>Priority:       high
 >>Responsible:    kern-bug-people
 >>State:          open
 >>Class:          sw-bug
 >>Submitter-Id:   net
 >>Arrival-Date:   Thu May 19 18:01:00 +0000 2005
 >>Originator:     Martijn van Buul

 Apologies; I didn't quite fix LOGNAME, and mail sent to 
 martijnb@balthasar.ipv6.stack.nl will not arrive reliably (No ipv4 MX record,
 for starters). Please direct any comments or questions to 
 martijnb@atlas.ipv6.stack.nl instead.

>Unformatted:

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