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Date:      Thu, 23 Sep 2004 14:19:38 -0400
From:      John Baldwin <jhb@FreeBSD.org>
To:        freebsd-current@FreeBSD.org
Cc:        Oliver Lehmann <lehmann@ans-netz.de>
Subject:   Re: 5.3-BETA4: System halts with mlx and de @same IRQ
Message-ID:  <200409231419.38142.jhb@FreeBSD.org>
In-Reply-To: <20040923201149.52d4ab83.lehmann@ans-netz.de>
References:  <20040923201149.52d4ab83.lehmann@ans-netz.de>

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On Thursday 23 September 2004 02:11 pm, Oliver Lehmann wrote:
> Hi,
>
> I've and ANA-6944A/TX and a Mylex 960DAC. mlx and some of the de's ar both
> on irq 10.
> When I plug the cable out of one of the deX ports, and back in an other
> port, the system freezes. It only happens with taking cable out. I'm
> actually working through 2 of 4 ports, plugging on of them out... freeze.
> I've no experience with other FreeBSD versions because I own that card
> since today...
>
> (written from screen)
>
> de3: link down: cable problem
> mlx0: controller wedged (not taking commands)
> mlx0: I/O error unknown response: 0xdead for command 0x83
> mlx0: controller wedged (not taking commands)
> mlx0: I/O error unknown response: 0xdead for command 0x83
> mlx0: controller wedged (not taking commands)
> mlx0: I/O error unknown response: 0xdead for command 0x83
>
> It's of course reproduceable. Please find dmesg attached. I'll go and
> build an kernel with debugging stuff on... but the system doesn't panic,
> so I've no idea what I can do for more debugging, do you?

You can try to break into ddb and do a 'show intr'.  Also, try disabling ACPI 
and/or removing the intpm driver when using ACPI.

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org



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