Re: locking api self-test hanging

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To: Andrew Morton <akpm@...>

Cc: <netdev@...>, Ingo Molnar <mingo@...>, <linux-kernel@...>, Stephen Hemminger <shemminger@...>, Bernhard Walle <bwalle@...>

Subject: Re: locking api self-test hanging

Date: Monday, February 4, 2008 - 9:14 am

On Mon, 2008-02-04 at 05:04 -0800, Andrew Morton wrote:

quoted text> After disabling both CONFIG_DEBUG_LOCKING_API_SELFTESTS and netconsole
> (using current mainline) I get a login prompt, and also...

quoted text> [    7.819146] WARNING: at kernel/lockdep.c:2033 trace_hardirqs_on+0x9b/0x10d()

quoted text> That warning in lockdep.c should have a comment explaining to readers under
> which circumstances it will trigger, and what they did wrong.  In fact if
> I've interpreted it correctly I don't see why it's a DEBUG_LOCKS_WARN_ON
> thing at all?  It should be a first-class lockdep warning?

Agreed, I'll make lockdep print a nice error.

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Messages in current thread:

locking api self-test hanging, Andrew Morton, (Sun Feb 3, 7:02 pm)

Re: locking api self-test hanging, Andrew Morton, (Sun Feb 3, 7:07 pm)

Re: locking api self-test hanging, Andrew Morton, (Mon Feb 4, 8:43 am)

Re: locking api self-test hanging, Andrew Morton, (Wed Feb 6, 4:34 am)

Re: locking api self-test hanging, Andrew Morton, (Wed Feb 6, 5:16 am)

Re: locking api self-test hanging, Andrew Morton, (Tue Mar 4, 1:05 am)

Re: locking api self-test hanging, Marcin Slusarz, (Tue Mar 4, 3:04 pm)

Re: locking api self-test hanging, Jarek Poplawski, (Tue Mar 4, 4:40 am)

Re: locking api self-test hanging, Andrew Morton, (Tue Mar 4, 5:10 am)

[patch] mark netconsole broken, Ingo Molnar, (Tue Mar 4, 4:06 am)

Re: [patch] mark netconsole broken, David Miller, (Tue Mar 4, 4:30 pm)

Re: [patch] mark netconsole broken, Ingo Molnar, (Tue Mar 4, 4:52 pm)

Re: [patch] mark netconsole broken, Randy Dunlap, (Tue Mar 4, 12:19 pm)

Re: locking api self-test hanging, Andrew Morton, (Mon Feb 4, 9:18 am)

Re: locking api self-test hanging, Andrew Morton, (Mon Feb 4, 9:04 am)

Re: locking api self-test hanging, Bernhard Walle, (Tue Feb 5, 9:23 am)

Re: locking api self-test hanging, Peter Zijlstra, (Mon Feb 4, 9:14 am)


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