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Date: Wed, 15 Oct 2003 05:53:44 -0700 (PDT)
From: Bradley Chapman <kakadu_croc@yahoo.com>
Subject: Re: 2.6.0-test7-mm1
To: Tim Schmielau <tim@physik3.uni-rostock.de>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.53.0310151441300.1333@gockel.physik3.uni-rostock.de>
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Mr. Schmielau,

--- Tim Schmielau <tim@physik3.uni-rostock.de> wrote:
> > You're welcome. Unfortunately I got this non-fatal Oops when I first booted:
> >
> > ohci1394: $Rev: 1045 $ Ben Collins <bcollins@debian.org>
> > ohci1394_0: OHCI-1394 1.1 (PCI): IRQ=[10]  MMIO=[e8207000-e82077ff]  Max
> > Packet=[2048]
> > Debug: sleeping function called from invalid context at mm/slab.c:1869
> [...]
> > I don't see any patches in your ChangeLog which could have caused this, since
> > it didn't happen under 2.6.0-test7 or 2.6.0-test6-mm4.
> 
> "might_sleep-vs-jiffies-wrap.patch" pops to mind, it probably just didn't
> get reported in earlier kernels because starting with INITIAL_JIFFIES!=0
> broke the rate limiting logic (sorry for that)

Well, I don't use the IEEE1394 drivers (yet), so like I said, it's non-fatal. Are
there any other debugging options I can enable that would help pinpoint this
(i.e frame pointers?)

Interesting part of .config:

CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_SLAB=y
CONFIG_DEBUG_IOVIRT=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_SPINLOCK_SLEEP=y
CONFIG_X86_EXTRA_IRQS=y
CONFIG_X86_FIND_SMP_CONFIG=y
CONFIG_X86_MPPARSE=y


> 
> Tim
> 

Brad


=====
Brad Chapman

Permanent e-mail: kakadu_croc@yahoo.com

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