Re: 7.0-CURRENT em0 related panic

From: Robert Watson <rwatson_at_FreeBSD.org>
Date: Fri, 24 Nov 2006 13:33:43 +0000 (GMT)
On Fri, 24 Nov 2006, Goran Gajic wrote:

> I did
> hw.pci.enable_msi: 0
> hw.pci.enable_msix: 0

Did you set this in loader.conf or via a sysctl?  You need to do it using the 
former, not the latter, I believe.

Robert N M Watson
Computer Laboratory
University of Cambridge


> but still getting:
>
> pcm0: <Intel 82801F High Definition Audio Controller> mem 
> 0xd7df8000-0xd7dfbfff irq 16 at device 27.0 on pci0
> pcm0: <HDA Codec: Analog Device AD1986A>
> pcm0: <HDA Driver Revision: 20061017_0033>
> em0: watchdog timeout -- resetting
> em0: link state changed to DOWN
> em0: link state changed to UP
> em0: watchdog timeout -- resetting
> em0: link state changed to DOWN
> em0: link state changed to UP
> em0: watchdog timeout -- resetting
> em0: link state changed to DOWN
> em0: link state changed to UP
> em0: link state changed to DOWN
> em0: link state changed to UP
> em0: watchdog timeout -- resetting
> em0: link state changed to DOWN
> em0: link state changed to UP
> em0: link state changed to DOWN
> em0: link state changed to UP
> em0: link state changed to DOWN
> em0: link state changed to UP
>
> when playing mp3s..
>
> gg.
>
> On Thu, 23 Nov 2006, Scott Long wrote:
>
>> This is probably s secondary problem, with the primary problem being
>> MSI.  See src/UPDATING for instructions on turning MSI off.
>> 
>> Scott
>> 
>> 
>> Goran Gajic wrote:
>>> 
>>> 
>>>> From today built:
>>> 
>>> db> bt
>>> Tracing pid 12 tid 100004 td 0xc2d728c0
>>> m_tag_delete_chain(c3893400,0) at m_tag_delete_chain+0x2c
>>> mb_dtor_mbuf(c3893400,100,0) at mb_dtor_mbuf+0x18
>>> uma_zfree_arg(c1463960,c3893400,0) at uma_zfree_arg+0x24
>>> mb_free_ext(c3893400) at mb_free_ext+0x1ec
>>> m_freem(c38c1c00,c2e63000,c2eed400,c2ed6300,d3d28c70,...) at m_freem+0x1a
>>> em_setup_transmit_structures(c2e63000,c2e63000,c2eed400,1,d3d28c80,...) at 
>>> em_setup_transmit_structures+0x8c
>>> em_init_locked(c2e63000,c2e63000,d3d28c98,c053bd3c,c2e63000,...) at
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Received on Fri Nov 24 2006 - 12:33:44 UTC

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