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Date:      Thu, 07 Dec 2000 16:40:02 -0800 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Manfred Antar <null@pozo.com>
Cc:        current@FreeBSD.org
Subject:   RE: Current kernel build failure -- >>cam_periph.c
Message-ID:  <XFMail.001207164002.jhb@FreeBSD.org>
In-Reply-To: <5.0.2.1.2.20001206210835.00ada270@pozo.com>

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On 07-Dec-00 Manfred Antar wrote:
> At 06:28 PM 12/6/2000 -0800, John Baldwin wrote:
> 
>>On 07-Dec-00 John Baldwin wrote:
>>> 
>>> On 07-Dec-00 Manfred Antar wrote:
>>>> 
>>>> 
>>>> I've been trying to build a current kernel from current sources for a day
>>>> now
>>>> and I keep getting this:
>>> 
>>> I'm looking at this.  My initial guess is maybe a gcc bug, as mtx_exit()
>>> compiles in dozens of other places just fine (and has for months now).
>>
>>Nope, it was a sublte bug in the 486 optimized mutex operations, which had
>>invalid register constraints probably dating back to several older revisions
>>in
>>BSD/OS before we got the code.  It should be fixed now.
>>
> 
> John
> It compiles now fine but panics on booting:
> Doing initial network setup: hostname.
> panic: mutex sched lock owned at ../../kern/kern_mutex.c:322
> cpuid = 0; lapic.id = 00000000
> boot() called on cpu#0

Hmmmmmm.  I haven't reproduced this here.  Let me play with it some more.

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/


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