netdev - Re: [Bugme-new] [Bug 10473] New: Infinite loop "b44: eth0: powering down PHY"

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Date:	Fri, 18 Apr 2008 12:23:06 -0300
From:	"Nelson A. de Oliveira" <naoliv@...il.com>
To:	"Michael Buesch" <mb@...sch.de>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	netdev@...r.kernel.org, bugme-daemon@...zilla.kernel.org,
	"Gary Zambrano" <zambrano@...adcom.com>
Subject: Re: [Bugme-new] [Bug 10473] New: Infinite loop "b44: eth0: powering down PHY"

Hi!

On Fri, Apr 18, 2008 at 11:06 AM, Michael Buesch <mb@...sch.de> wrote:
>  > > While booting the new 2.6.25 Kernel, it enters an infinite looping displaying
>  > > "b44: eth0: powering down PHY".
>  > > The system isn't freezed as magick SysRq keys works, but it just stay
>  > > displaying those messages. I am unable to dump any information using SysRq,
>  > > however (as the b44(...) messages are too fast).
>  > >
>  > > I will attach lspci output and my .config
>  > >
>  >
>  > Apparently a regression.
>
>  Can you add a dump_stack() call to the b44_halt() function and post the resulting logs?

What I get is:

Pid: 4, comm: ksoftirqd/0 Tainted: GF 2.6.25-naoliv1 #2
[<f8992420>] [<b0231ffd>] [<b02380b9>] [<b011ed60>] [<b01060f2>]
[<b011f059>] [<b011efe1>] [<b01297c8>] [<b0129790>] [<b010473f>]

Something is saying to me that this won't help too much and that
probably I need to enable something related with debug (what do I need
to enable, please?)

BTW, is it a way to "pause" the messages after dump_stack()?

Thank you!

Best regards,
Nelson
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